diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 3791c663..7ec2900f 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -21,3 +21,6 @@ c8af0450f1f7f8188004db96e3f53e7e33e2ccad
 
 # remove gddebug.hh and associated functions
 76aaed116bdc3aeb53fd61553aedb877baf9b510
+
+# wstring & wchar -> std::u32string & char32_t
+f1e158578f62c96059bef1a616b75495adb6e2c6