diff --git a/Dockerfile b/Dockerfile
index 5456f39..e8b5593 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13.5@sha256:69e70a79f2d41ab5d637de98c1e0b055206ba40a8145e7bddb55ccc04e13cf8f
+FROM alpine:3.23.4@sha256:5b10f432ef3da1b8d4c7eb6c487f2f5a8f096bc91145e68878dd4a5019afde11
 
 ENV JTS3_SERVER_MOD_VERSION=6.5.7
 RUN echo "## Downloading ${JTS3_SERVER_MOD_VERSION} ##" && \