diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e7cc8065d..6163e6cd5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
         -   uses: actions/checkout@v3
         -   name: "Main Script"
             run: |
-                echo "- matplotlib" >> .test-conda-env-py3.yml
+                export EXTRA_INSTALL="pyvisfile matplotlib"
 
                 curl -L -O https://tiker.net/ci-support-v0
                 . ci-support-v0