diff --git a/pkg/Dockerfile b/pkg/Dockerfile
index 67630b2..a26aa2e 100644
--- a/pkg/Dockerfile
+++ b/pkg/Dockerfile
@@ -1,5 +1,5 @@
 # 3.13, because with 3.14 it requires gcc (wheels not available)
-FROM docker.io/library/python:3.14-slim
+FROM docker.io/library/python:3.15-slim
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1