diff --git a/Dockerfile b/Dockerfile
index 5456f39..5134334 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13.5@sha256:69e70a79f2d41ab5d637de98c1e0b055206ba40a8145e7bddb55ccc04e13cf8f
+FROM alpine:3.13.5@sha256:1d30d1ba3cb90962067e9b29491fbd56997979d54376f23f01448b5c5cd8b462
 
 ENV JTS3_SERVER_MOD_VERSION=6.5.7
 RUN echo "## Downloading ${JTS3_SERVER_MOD_VERSION} ##" && \