diff --git a/Dockerfile b/Dockerfile
index a4f3fc6..8fca63f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.15
 RUN apk add python3-dev postgresql-dev py3-pip gcc musl-dev
 COPY dist /tmp/dist
 RUN pip3 install /tmp/dist/*.tar.gz