diff --git a/.github/actions/spelling/excludes.txt b/.github/actions/spelling/excludes.txt
index fd124acd37b4d..d18d1c721531f 100644
--- a/.github/actions/spelling/excludes.txt
+++ b/.github/actions/spelling/excludes.txt
@@ -48,6 +48,7 @@
 \.otf$
 \.p12$
 \.pattern$
+\.pb$
 \.pdf$
 \.pem$
 \.png$