diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46af3c1..4a5a641 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 15
+          sudo ./llvm.sh 17
       - uses: actions/checkout@v3
       - name: Format
         run: cargo fmt && git diff --exit-code
@@ -38,7 +38,7 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 15
+          sudo ./llvm.sh 17
       - uses: actions/checkout@v3
         with:
           submodules: recursive
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b3f95dd..8b298a5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 15
+          sudo ./llvm.sh 17
 
       - uses: actions/checkout@v3