diff --git a/.github/workflows/gdmc.yml b/.github/workflows/gdmc.yml
index 0d74394..b212066 100644
--- a/.github/workflows/gdmc.yml
+++ b/.github/workflows/gdmc.yml
@@ -12,7 +12,8 @@ jobs:
 
       - name: Pip
         run: |
-          sudo apt install python3-virtualenv
+          apt update
+          apt install python3-virtualenv
           virtualenv --python=python3 pythonenv
           source pythonenv/bin/activate
           pip install -r requirements.txt