diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 524585c47..0451493a2 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -89,8 +89,8 @@ jobs:
         run: |
           set -ex
           wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main"
-          sudo apt-get install -y clang-format-15 npm
+          sudo add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-17 main"
+          sudo apt-get install -y clang-format-17 npm
       - name: Check for style diffs
         id: check-for-diffs
         working-directory: .
diff --git a/code_style.sh b/code_style.sh
index 7bb9e887c..8159ae236 100755
--- a/code_style.sh
+++ b/code_style.sh
@@ -40,10 +40,10 @@ find_cfiles() {
        ! \( $(get_find_path_args $(trim_comments .clang-format-ignore)) \) "$@"
 }
 
-# We're targeting clang-format version 15 and other versions give slightly
-# different results, so prefer `clang-format-15` if it's installed.
+# We're targeting clang-format version 17 and other versions give slightly
+# different results, so prefer `clang-format-17` if it's installed.
 clang_format_exe_names=(
-  'clang-format-15'
+  'clang-format-17'
   'clang-format'
 )
 for name in ${clang_format_exe_names[@]}; do