diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 9bd54b3..ad2881f 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -112,6 +112,13 @@ jobs:
     
     - name: Setup Toolchain
       run: |
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ focal main'
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ focal universe'  
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ xenial main'
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ xenial universe'  
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic main'
+        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic universe'
+        
         sudo apt update
         ${{matrix.install}}