diff --git a/pgvector/Dockerfile b/pgvector/Dockerfile
index 73d13aa..8a09e8d 100644
--- a/pgvector/Dockerfile
+++ b/pgvector/Dockerfile
@@ -10,6 +10,6 @@ WORKDIR pgvector
 RUN make
 RUN make install
 
-FROM postgres:alpine AS release
+FROM postgres:${PG_VERSION}-alpine${ALPINE_VERSION} AS release
 RUN rm -rf /usr/local
 COPY --from=build /usr/local /usr/local