diff --git a/.github/workflows/external.yml b/.github/workflows/external.yml
index 89a653cc..dc826469 100644
--- a/.github/workflows/external.yml
+++ b/.github/workflows/external.yml
@@ -144,6 +144,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install -y xvfb
+        sudo apt remove --purge libc++1*
 
     - name: Start Xvfb
       run: Xvfb :99 -screen 0 1024x768x24 &