diff --git a/php-7.0/Dockerfile b/php-7.0/Dockerfile
index e30078c28509fe83eed27a2aa88829afc202f4bf..a1823e6b899440ed72ccc06ad18edffdfd58b808 100644
--- a/php-7.0/Dockerfile
+++ b/php-7.0/Dockerfile
@@ -91,7 +91,7 @@ RUN mkdir -p /root/.ssh && \
     \
     wget -q https://getcomposer.org/composer.phar -O /usr/local/bin/composer && \
     chmod +x /usr/local/bin/composer && \
-    composer selfupdate && \
+    composer selfupdate 1.5.0 && \
     \
     git clone https://github.com/tj/git-extras.git && \
     cd git-extras && \