diff --git a/2.9/Dockerfile b/2.9/Dockerfile
index 40ddab42..03808796 100644
--- a/2.9/Dockerfile
+++ b/2.9/Dockerfile
@@ -20,9 +20,9 @@ RUN set -eux; \
 	mkdir /var/lib/haproxy; \
 	chown haproxy:haproxy /var/lib/haproxy
 
-ENV HAPROXY_VERSION 2.9-dev9
-ENV HAPROXY_URL https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev9.tar.gz
-ENV HAPROXY_SHA256 3f643658e0e970f62deef7a3f1fbc83397a315ab2dc1826d3dec8d2dfd539708
+ENV HAPROXY_VERSION 2.9-dev10
+ENV HAPROXY_URL https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev10.tar.gz
+ENV HAPROXY_SHA256 47334b8dd9976c35e7466e2acbad3a859a31d2b2ce4925cc71d12ec7205ff952
 
 # see https://sources.debian.net/src/haproxy/jessie/debian/rules/ for some helpful navigation of the possible "make" arguments
 RUN set -eux; \
diff --git a/2.9/alpine/Dockerfile b/2.9/alpine/Dockerfile
index d9c54712..f809fa3b 100644
--- a/2.9/alpine/Dockerfile
+++ b/2.9/alpine/Dockerfile
@@ -21,9 +21,9 @@ RUN set -eux; \
 	mkdir /var/lib/haproxy; \
 	chown haproxy:haproxy /var/lib/haproxy
 
-ENV HAPROXY_VERSION 2.9-dev9
-ENV HAPROXY_URL https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev9.tar.gz
-ENV HAPROXY_SHA256 3f643658e0e970f62deef7a3f1fbc83397a315ab2dc1826d3dec8d2dfd539708
+ENV HAPROXY_VERSION 2.9-dev10
+ENV HAPROXY_URL https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev10.tar.gz
+ENV HAPROXY_SHA256 47334b8dd9976c35e7466e2acbad3a859a31d2b2ce4925cc71d12ec7205ff952
 
 # see https://sources.debian.net/src/haproxy/jessie/debian/rules/ for some helpful navigation of the possible "make" arguments
 RUN set -eux; \
diff --git a/versions.json b/versions.json
index 606f252f..e3a5efaf 100644
--- a/versions.json
+++ b/versions.json
@@ -44,8 +44,8 @@
   "2.9": {
     "alpine": "3.18",
     "debian": "bullseye-slim",
-    "sha256": "3f643658e0e970f62deef7a3f1fbc83397a315ab2dc1826d3dec8d2dfd539708",
-    "url": "https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev9.tar.gz",
-    "version": "2.9-dev9"
+    "sha256": "47334b8dd9976c35e7466e2acbad3a859a31d2b2ce4925cc71d12ec7205ff952",
+    "url": "https://www.haproxy.org/download/2.9/src/devel/haproxy-2.9-dev10.tar.gz",
+    "version": "2.9-dev10"
   }
 }