diff --git a/build-container/Dockerfile b/build-container/Dockerfile
index fdd3dc454..e24ec9c02 100644
--- a/build-container/Dockerfile
+++ b/build-container/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.18
 COPY --chmod=555 sfdata /app/sfdata
 COPY local_data /local_data
 WORKDIR /app