diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bdd6efb..fb4b16f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,8 +31,7 @@ jobs:
           - x64
     steps:
       - name: Install dependencies
-        run: |
-          pip install matplotlib
+        run: if [ "$RUNNER_OS" = "Linux" ]; then sudo apt-get install -y python3-matplotlib; fi
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
         with:
@@ -52,8 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install dependencies
-        run: |
-          pip install matplotlib
+        run: if [ "$RUNNER_OS" = "Linux" ]; then sudo apt-get install -y python3-matplotlib; fi
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
         with: