diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index aaed7c43..f65c9365 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -163,7 +163,7 @@ jobs:
         if: matrix.name == 'ubuntu-20.04_x86_64' || matrix.name == 'ubuntu-22.04_x86_64'
         run: |
           source VERSION
-          # clang-15 と CUDA を入れる
+          # clang-16 と CUDA を入れる
           sudo apt-get update
           sudo apt-get install -y software-properties-common
           # CUDA 10 なので ubuntu1804 で正しい
@@ -175,7 +175,7 @@ jobs:
 
           wget https://apt.llvm.org/llvm.sh
           chmod a+x llvm.sh
-          sudo ./llvm.sh 15
+          sudo ./llvm.sh 16
 
           # Intel Media SDK のために libva-dev, libdrm-dev を入れる
           DEBIAN_FRONTEND=noninteractive sudo apt-get -y install libva-dev libdrm-dev