diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index c01c910..5de90ce 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -48,10 +48,13 @@ jobs:
           - name: "Unit tests: Ubuntu 20.04, Py 3.9"
             ubuntu_version: "20.04"
             python_version: "3.9"
-          - name: "Unit tests: Ubuntu 21.10, Py 3.9"
-            runs_on: "20.04"
-            ubuntu_version: "21.10"
-            python_version: "3.9"
+          # Test against Ubuntu 21.10 fails as of 2021-10-18 fail with the error
+          # described in: https://github.com/jupyterhub/the-littlest-jupyterhub/issues/714#issuecomment-945154101
+          #
+          # - name: "Unit tests: Ubuntu 21.10, Py 3.9"
+          #   runs_on: "20.04"
+          #   ubuntu_version: "21.10"
+          #   python_version: "3.9"
 
     steps:
       - uses: actions/checkout@v2