diff --git a/ckan-2.11/dev/Dockerfile b/ckan-2.11/dev/Dockerfile
index fe8ea0c..0996bae 100644
--- a/ckan-2.11/dev/Dockerfile
+++ b/ckan-2.11/dev/Dockerfile
@@ -1,4 +1,4 @@
-FROM ckan/ckan-base:master
+FROM ckan/ckan-base:2.11.0
 
 # Tag passed through via the Makefile
 ARG CKAN_VERSION=${CKAN_VERSION}