diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index db62a78bc25..82cf7cacef9 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python: [3.6]
+        python: [3.6, '3.11']
         modules_tool: [Lmod-7.8.22, Lmod-8.6.8]
         module_syntax: [Lua, Tcl]
         # exclude some configurations: only test Tcl module syntax with Lmod 8.x and Python 3.6
@@ -155,7 +155,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python: [3.6]
+        python: [3.6, '3.11']
     steps:
     - uses: actions/checkout@v2