diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 105618ae..f8932408 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -3,3 +3,6 @@
 
 # Scala Steward: Reformat with scalafmt 3.8.3
 7f1070998d74a7dce4d4b28d3bdfff6870408744
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+205ef103d6471a1f557f1e1cb4cdefec44cb0392