diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 25d418f4d52dd9a46f55f6f25e6b43876fef655e..9b6d7e83325e7030112636aeaa2240dd1524ea16 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -157,7 +157,7 @@ Docker:
   needs: []
   variables:
     DOCKER_BUILD_ARGS: |
-      BUILD_IMAGE=${CI_REGISTRY}/devops/images/usgs/python:3.8
+      BUILD_IMAGE=${CI_REGISTRY}/devops/images/usgs/python:3.9
     TAG: nshmp
 
 Lint: