diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a8acbbf3..d06ebc41 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,7 @@ jobs:
           sudo add-apt-repository -y 'deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main'
           wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
           sudo apt-get update
-          sudo apt-get install -q -y llvm-18 lld-18 llvm-18-runtime
+          sudo apt-get install -q -y llvm-18 lld-18 llvm-18-runtime llvm-18-tools llvm-18-dev
       - name: Install QBE
         run: scripts/install-qbe.sh
       - name: Install cxxopts