diff --git a/Dockerfile b/Dockerfile
index 30cdcff..dc1269f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,6 @@
 from mcluseau/golang-builder:1.12.5 as build
 
 # ------------------------------------------------------------------------
-from alpine:3.9
+from alpine:3.16
 entrypoint ["/bin/sql2sync"]
 copy --from=build /go/bin/ /bin/