diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 6f3dbb49e1..2cb3c2e9ea 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -21,3 +21,6 @@ e5525d3f0da44052fdcfbe844993260bdc044270
 
 # Scala Steward: Reformat with scalafmt 3.8.2
 a0a37ece16ee55056270b4d9ba5c1505ead8af17
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+887a49a906c705c7bd1337043f65342dd3f1a438