diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a77180c6..e5932465 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -11,13 +11,21 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
+    - name: Install libpolly-15-dev
+      run: |
+        git clone --depth 1 https://github.com/llvm/llvm-project.git
+        cd llvm-project
+        mkdir build && cd build
+        cmake '-DLLVM_ENABLE_PROJECTS=clang;polly' ../llvm
+        cmake --build .
+
     - name: Apt Update
       run: |
         sudo apt update
-        sudo apt install llvm-13 clang
+        sudo apt install llvm-15 clang
 
     - name: Rust Cache
       uses: Swatinem/rust-cache@v1.3.0