diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 987f71c..0908d2f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,7 @@ jobs:
           python-version: ${{ matrix.python-versions }}
       - name: Install poetry
         run: |
+          sudo apt-get update
           python -m pip install --upgrade pip
           sudo apt-get install libsndfile1        
           python -m pip install poetry
@@ -34,4 +35,4 @@ jobs:
 
       - name: Run unit tests
         run: |
-          make tests
\ No newline at end of file
+          make tests