diff --git a/Dockerfile b/Dockerfile
index ad5120a..8852e35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM thallian/php7-fpm:latest
 ENV FPMUSER nginx
 ENV FPMGROUP nginx
 
-ENV VERSION master
+ENV VERSION f65537cdc6f11e135fdc0fbfcaf05524f63ec667
 
 RUN apk add --no-cache  \
     libressl \