diff --git a/.github/workflows/docker-testing-matrix.yml b/.github/workflows/docker-testing-matrix.yml
index 4661aba3c..bb728dce9 100644
--- a/.github/workflows/docker-testing-matrix.yml
+++ b/.github/workflows/docker-testing-matrix.yml
@@ -21,9 +21,9 @@ jobs:
       fail-fast: false # Run all combos, don't skip on failures
       matrix:
         # from: https://hub.docker.com/r/nikolaik/python-nodejs
-        python-version: ["3.9", "3.8", "3.9", "3.10", "3.11", "latest"]
-        nodejs-version: ["15", "14", "12", "10"]
-        image-suffix: ["", "-slim"]
+        python-version: ["3.9"]
+        nodejs-version: ["16"]
+        image-suffix: ["-slim"]
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps: