diff --git a/.github/workflows/run_unit_tests.yml b/.github/workflows/run_unit_tests.yml
index 087f5f64..cd11f73f 100644
--- a/.github/workflows/run_unit_tests.yml
+++ b/.github/workflows/run_unit_tests.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.8", "pypy3.9", "pypy3.10"]
       # Fail-fast skews the pass/fail ratio and seems to make pytest produce
       # incomplete JUnit XML results.
       fail-fast: false
@@ -43,4 +43,4 @@ jobs:
         with:
           name: test_results_unit_${{ matrix.os }}_py${{ matrix.python-version }}
           path: test_results/*.xml
-        if: always()
\ No newline at end of file
+        if: always()