diff --git a/Dockerfile b/Dockerfile
index f65f1db..816fb8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres
+FROM postgres:alpine
 
 RUN set -x \
 	&& apt-get update && apt-get install -y --no-install-recommends ca-certificates curl && rm -rf /var/lib/apt/lists/* \