diff --git a/.github/workflows/check-plugin.yml b/.github/workflows/check-plugin.yml
index bfd88d0e9..41f78d906 100644
--- a/.github/workflows/check-plugin.yml
+++ b/.github/workflows/check-plugin.yml
@@ -45,6 +45,10 @@ jobs:
         with:
           auto-update-conda: true
           python-version: ${{matrix.python-version}}
+      - name: Activate conda environment
+        run: |
+          source $(conda info --base)/etc/profile.d/conda.sh
+          conda activate base
       - name: Cache python packages for Linux
         if: matrix.os == 'ubuntu-latest'
         uses: actions/cache@v3