diff --git a/README.md b/README.md
index 195a02f..2567ffc 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Example: 'cpp,h'
 What clang-format version should be used.\
 Available version are\
 5,6,7,8,9,10,11(11.0.0),11.0.0, 11.1.0, 12(12.0.1), 12.0.0, 12.0.1, 13(13.0.0), 13.0.0, 14(14.0.0), 14.0.0, 15(15.0.2), 15.0.2, 16(16.0.3), 16.0.0, 16.0.3, 17(17.0.4), 17.0.4, 18(18.1.3), 18.1.3\
-Default: 17\
+Default: 18\
 Example: 15
 
 ### `style`
@@ -98,7 +98,7 @@ jobs:
         source: '.'
         exclude: './third_party ./external'
         extensions: 'h,cpp'
-        clangFormatVersion: 17
+        clangFormatVersion: 18
         style: chromium
 ```