diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 875f4fb67b8..bed6a5ba84b 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -9,3 +9,6 @@
 
 # reorder and reformat GTFS GraphQL API schema file with graphql-java
 14051fab312a67cae9a460aaf0bbc77223bec624
+
+# Make OTP a multi-module project
+ead33ffe280dd7caf72cae5ff7a41542e8427636