diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index a79965a1..1abf4d6c 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -40,6 +40,7 @@ jobs:
         /usr/bin/python3 -m pip --version
         /usr/bin/python3 -m pip install --disable-pip-version-check --quiet \
           --target "$PYTHON_DEPS" requests pyyaml openpyxl
+        export PYTHONPATH="$PYTHON_DEPS:${PYTHONPATH:-}"
         echo "PYTHONPATH=$PYTHON_DEPS:${PYTHONPATH:-}" >> "$GITHUB_ENV"
         /usr/bin/python3 -c 'import requests, yaml, openpyxl; print("Python dependencies: PASS")'
 
@@ -214,6 +215,7 @@ jobs:
         /usr/bin/python3 -m pip --version
         /usr/bin/python3 -m pip install --disable-pip-version-check --quiet \
           --target "$PYTHON_DEPS" requests pyyaml openpyxl
+        export PYTHONPATH="$PYTHON_DEPS:${PYTHONPATH:-}"
         echo "PYTHONPATH=$PYTHON_DEPS:${PYTHONPATH:-}" >> "$GITHUB_ENV"
         /usr/bin/python3 -c 'import requests, yaml, openpyxl; print("Python dependencies: PASS")'