diff --git a/Dockerfile b/Dockerfile
index 0699a8f..a132fb0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM thallian/confd-env:3.18
+FROM thallian/confd-env:3.18-3.1.5.0
 
 RUN apk add --no-cache \
     murmur \