diff --git a/Dockerfile.dev b/Dockerfile.dev
index 68188f16f01..6dd789761e6 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/vscode/devcontainers/python:0-3.8
+FROM mcr.microsoft.com/vscode/devcontainers/python:0-3.9
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]