diff --git a/.gitea/workflows/ci-cd.yml b/.gitea/workflows/ci-cd.yml
index bec082412..531372ab2 100755
--- a/.gitea/workflows/ci-cd.yml
+++ b/.gitea/workflows/ci-cd.yml
@@ -77,6 +77,10 @@ jobs:
 
         python3 -m pip install -q -r requirements-dev.txt
 
+        # Force source install of black/isort to ensure consistent formatting
+        # across compiled/source installations on different machines
+        python3 -m pip install --no-binary :all: black==26.5.1 isort==8.0.1
+
         python3 -m black --version
 
         python3 -m isort --version-number