diff --git a/Dockerfile b/Dockerfile
index 0e04057..862f314 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM martinussuherman/alpine:glibc
+FROM martinussuherman/alpine:glibc-3.12
 
 ENV \
    # container/su-exec UID \