diff --git a/1.10/Dockerfile b/1.10/Dockerfile
index 0ca221f..64ffa29 100644
--- a/1.10/Dockerfile
+++ b/1.10/Dockerfile
@@ -22,7 +22,7 @@ memory_limit=-1\n\
 
 ENV COMPOSER_ALLOW_SUPERUSER 1
 ENV COMPOSER_HOME /tmp
-ENV COMPOSER_VERSION 1.10.26
+ENV COMPOSER_VERSION 1.10.27
 
 RUN set -eux ; \
   # install https://github.com/mlocati/docker-php-extension-installer