diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 9adcb95c5ecb..d6c48abdc7a8 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,4 @@
 # ocamlformat 0.25.1
 3f01f6f3694e48cb1868018121f3959f8d23baca
+# Upgrade to OCamlformat 0.26.0
+8a1a919e3895787ae3781da1d6aff4cc41ce04c3