diff --git a/Dockerfile.tests b/Dockerfile.tests
index 5d675f1cf5..7ea1d26812 100644
--- a/Dockerfile.tests
+++ b/Dockerfile.tests
@@ -1,7 +1,7 @@
 # Use the Dockerfile 1.2 syntax to leverage BuildKit features like cache mounts and inline mounts--temporary mounts that are only available during the build step, not at runtime.
 # syntax=docker/dockerfile:1.2
 
-FROM python:3.9-slim
+FROM python:3.14.3-slim
 
 # Install the necessary packages for the test environment.
 RUN apt-get update && apt-get upgrade -y && apt-get install -y \