diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-curve25519-sha256/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-curve25519-sha256/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-curve25519-sha256/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-curve25519-sha256/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-dsa/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-dsa/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-dsa/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-dsa/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ec/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ec/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ec/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ec/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp256/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp256/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp256/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp256/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp384/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp384/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp384/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp384/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp521/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp521/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp521/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ecdh-sha2-nistp521/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ed25519/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ed25519/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ed25519/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ed25519/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ec/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ec/Dockerfile
index df485831..f46b4049 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ec/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ec/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ed/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ed/Dockerfile
index 51aff637..555b69ad 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ed/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-ed/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-rsa/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-rsa/Dockerfile
index 0d3df278..0ae0cbbd 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-rsa/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-host-rsa/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa256/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa256/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa256/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa256/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa512/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa512/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa512/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-rsa512/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-14.04/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-14.04/Dockerfile
index b321a4b9..745e5fd7 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-14.04/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-14.04/Dockerfile
@@ -13,7 +13,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -36,7 +36,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-16.04/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-16.04/Dockerfile
index 0af98161..8fdb26e1 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-16.04/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-16.04/Dockerfile
@@ -13,7 +13,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -36,7 +36,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-18.04/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-18.04/Dockerfile
index 9260ed51..9739f075 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-18.04/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-18.04/Dockerfile
@@ -13,7 +13,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -36,7 +36,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]
diff --git a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-20.04/Dockerfile b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-20.04/Dockerfile
index 7812a059..bbfe852f 100644
--- a/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-20.04/Dockerfile
+++ b/src/test/resources/hudson/plugins/sshslaves/agents/ssh-agent-ubuntu-20.04/Dockerfile
@@ -14,7 +14,7 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get update -y -qq \
 RUN add-apt-repository ppa:openjdk-r/ppa -y \
   && apt-get update -y -qq \
   && apt-get install -y -qq \
-    openjdk-11-jdk \
+    openjdk-17-jdk \
   && rm -rf /var/lib/apt/lists/*
 
 RUN useradd --password password --shell /bin/bash --uid 1000 jenkins \
@@ -38,7 +38,7 @@ RUN echo "password\npassword" | passwd root \
   && echo "password\npassword" | passwd jenkins
 
 EXPOSE 22
-ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-11-openjdk-amd64/jre/bin:/usr/lib/jvm/java-11-openjdk-amd64/bin
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/jvm/java-17-openjdk-amd64/jre/bin:/usr/lib/jvm/java-17-openjdk-amd64/bin
 RUN echo "PATH=${PATH}" >> /etc/environment
 ENTRYPOINT []
 CMD [ "/bin/sh", "-c", "/usr/sbin/sshd -e -D -p 22"]