diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index c8026f24..75b03ac3 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -134,13 +134,13 @@ jobs:
 
       - name: Run build
         run: |
-          bash .github/scripts/brew.sh git coreutils llvm@11 autoconf automake
-          export PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$HOME/.brew/opt/llvm@11/bin:$PATH"
-          export CC="$HOME/.brew/opt/llvm@11/bin/clang"
-          export CXX="$HOME/.brew/opt/llvm@11/bin/clang++"
+          bash .github/scripts/brew.sh git coreutils llvm@13 autoconf automake
+          export PATH="$HOME/.brew/bin:$HOME/.brew/sbin:$HOME/.brew/opt/llvm@13/bin:$PATH"
+          export CC="$HOME/.brew/opt/llvm@13/bin/clang"
+          export CXX="$HOME/.brew/opt/llvm@13/bin/clang++"
           export LD=ld
-          export AR="$HOME/.brew/opt/llvm@11/bin/llvm-ar"
-          export RANLIB="$HOME/.brew/opt/llvm@11/bin/llvm-ranlib"
+          export AR="$HOME/.brew/opt/llvm@13/bin/llvm-ar"
+          export RANLIB="$HOME/.brew/opt/llvm@13/bin/llvm-ranlib"
           . .github/scripts/env.sh
           curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_GHC_VERSION=${{ matrix.ghc }} BOOTSTRAP_HASKELL_ADJUST_BASHRC=yes sh
           cabal test