diff --git a/.kokoro/docker/docs/Dockerfile b/.kokoro/docker/docs/Dockerfile
index 2bb4b66e7..741084af5 100644
--- a/.kokoro/docker/docs/Dockerfile
+++ b/.kokoro/docker/docs/Dockerfile
@@ -88,4 +88,4 @@ RUN python3 -m pip
 COPY requirements.txt /requirements.txt
 RUN python3 -m pip install --require-hashes -r requirements.txt
 
-CMD ["python3.8"]
+CMD ["python3.10"]