diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4db3680e..ea3ff7ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
       run: >
         sudo apt-get update &&
         sudo apt-get install lsb-release wget software-properties-common &&
-        wget -O /tmp/llvm.sh https://apt.llvm.org/llvm.sh && sudo chmod +x /tmp/llvm.sh && sudo /tmp/llvm.sh 12 &&
+        wget -O /tmp/llvm.sh https://apt.llvm.org/llvm.sh && sudo chmod +x /tmp/llvm.sh && sudo /tmp/llvm.sh 13 &&
         sudo apt-get install
         clang-13
         g++-10