diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 16abe1f..4cc0090 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,8 +35,7 @@ jobs:
 
     - name: Install CGAL
       run: |
-        wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null \
-        echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ focal main' | tee /etc/apt/sources.list.d/kitware.list >/dev/null
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 42D5A192B819C5DA
         apt update && apt install -y libcgal-dev
 
     - name: Configure