diff --git a/Dockerfile b/Dockerfile
index 51b5a7a..b5e3fc8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/astral-sh/uv:0.7.8-python3.11-alpine
+FROM ghcr.io/astral-sh/uv:0.7.8-python3.11-alpine@sha256:e7a2eb4196da4b1cc8c746c3fd7209b8c3682aeb679b87e63382c9e2000a9b29
 
 WORKDIR /app