diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ad1599..0b96aed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
         compiler:
           # you can specify the version after `-` like "llvm-13.0.0".
           - llvm
-          - llvm-17.0.6
+          - llvm-16.0.6
           - gcc-13
           - msvc
         build_type:
@@ -55,7 +55,7 @@ jobs:
 
           # FIXME: Until aminya/setup-cpp supports macos arm64
           - os: macos-12
-            compiler: llvm-17.0.6
+            compiler: llvm-16.0.6
 
           # FIXME: Solve annotated_string mismatch in Windows to enable developer mode totally
           - os: windows-2022
@@ -69,7 +69,7 @@ jobs:
           # Inject gcov_executable variable
           - compiler: llvm
             gcov_executable: "llvm-cov gcov"
-          - compiler: llvm-17.0.6
+          - compiler: llvm-16.0.6
             gcov_executable: "llvm-cov gcov"
           - compiler: gcc-13
             gcov_executable: gcov-13