diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index f1f868c4..093df9c6 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3.13.0a5-alpine
 
 RUN apk update && \
     apk add --update --virtual build-deps gcc libc-dev linux-headers && \
-    apk add jpeg-dev zlib-dev libpq=16.2-r1 python3-dev && \
+    apk add jpeg-dev zlib-dev libpq=16.3-r0 python3-dev && \
     apk add postgresql-dev && \
     apk add netcat-openbsd