diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bfc973b..11345d7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,8 @@ jobs:
             ${{ runner.os }}-
       - uses: julia-actions/julia-buildpkg@latest
       - run: |
-          sudo apt-get install python3-matplotlib
+          sudo apt update
+          sudo apt install python3-matplotlib
           git config --global user.name Tester
           git config --global user.email te@st.er
       - uses: julia-actions/julia-runtest@latest