diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0229a6c6d..36340f9cb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -96,10 +96,14 @@ jobs:
 
       - name: Install Clang ${{ matrix.llvm_version }}
         run: |
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x ./llvm.sh
-          sudo ./llvm.sh ${{ matrix.llvm_version }}
-          sudo apt-get install -y liblld-${{matrix.llvm_version}}
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+          if [[ "${{matrix.llvm_version}}" > 13 ]]; then
+            sudo add-apt-repository "deb http://apt.llvm.org/focal/ llvm-toolchain-focal main"
+          else
+            sudo add-apt-repository "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-${{matrix.llvm_version}} main"
+          fi
+          sudo apt-get update
+          sudo apt-get install -y clang-${{matrix.llvm_version}} llvm-${{matrix.llvm_version}} llvm-${{matrix.llvm_version}}-dev lld-${{matrix.llvm_version}} liblld-${{matrix.llvm_version}}-dev
 
           if [[ "${{matrix.llvm_version}}" > 12 ]]; then
             sudo apt-get install -y libmlir-${{matrix.llvm_version}} libmlir-${{matrix.llvm_version}}-dev mlir-${{matrix.llvm_version}}-tools