diff --git a/1.7/Dockerfile b/1.8/Dockerfile
similarity index 97%
rename from 1.7/Dockerfile
rename to 1.8/Dockerfile
index 97305fc..bd81d29 100644
--- a/1.7/Dockerfile
+++ b/1.8/Dockerfile
@@ -7,7 +7,7 @@ RUN gpg --keyserver pool.sks-keyservers.net --recv-keys \
   FD3A5288F042B6850C66B31F09FE44734EB7990E
 
 ENV NPM_CONFIG_LOGLEVEL info
-ENV IOJS_VERSION 1.7.1
+ENV IOJS_VERSION 1.8.1
 
 RUN curl -SLO "https://iojs.org/dist/v$IOJS_VERSION/iojs-v$IOJS_VERSION-linux-x64.tar.gz" \
   && curl -SLO "https://iojs.org/dist/v$IOJS_VERSION/SHASUMS256.txt.asc" \
diff --git a/1.7/README.md b/1.8/README.md
similarity index 100%
rename from 1.7/README.md
rename to 1.8/README.md
diff --git a/1.7/onbuild/Dockerfile b/1.8/onbuild/Dockerfile
similarity index 91%
rename from 1.7/onbuild/Dockerfile
rename to 1.8/onbuild/Dockerfile
index 67ae12e..2a6369a 100644
--- a/1.7/onbuild/Dockerfile
+++ b/1.8/onbuild/Dockerfile
@@ -1,4 +1,4 @@
-FROM iojs:1.7.1
+FROM iojs:1.8.1
 
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
diff --git a/1.7/slim/Dockerfile b/1.8/slim/Dockerfile
similarity index 97%
rename from 1.7/slim/Dockerfile
rename to 1.8/slim/Dockerfile
index 5b8bf18..9a9fb18 100644
--- a/1.7/slim/Dockerfile
+++ b/1.8/slim/Dockerfile
@@ -7,7 +7,7 @@ RUN gpg --keyserver pool.sks-keyservers.net --recv-keys \
   FD3A5288F042B6850C66B31F09FE44734EB7990E
 
 ENV NPM_CONFIG_LOGLEVEL info
-ENV IOJS_VERSION 1.7.1
+ENV IOJS_VERSION 1.8.1
 
 RUN curl -SLO "https://iojs.org/dist/v$IOJS_VERSION/iojs-v$IOJS_VERSION-linux-x64.tar.gz" \
   && curl -SLO "https://iojs.org/dist/v$IOJS_VERSION/SHASUMS256.txt.asc" \
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 4fc8ff2..638494c 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -3,7 +3,7 @@ set -e
 
 declare -A aliases
 aliases=(
-	[1.7]='1 latest'
+	[1.8]='1 latest'
 )
 
 cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"