diff --git a/Dockerfile b/Dockerfile
index 45b6459..8706010 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.14-slim@sha256:0aecac02dc3d4c5dbb024b753af084cafe41f5416e02193f1ce345d671ec966e
 
 # Install deps
 COPY requirements.txt .