diff --git a/tools/mapmerge2/requirements.txt b/tools/mapmerge2/requirements.txt
index 4ce4cdefda0b..009f48f334f5 100644
--- a/tools/mapmerge2/requirements.txt
+++ b/tools/mapmerge2/requirements.txt
@@ -1,3 +1,3 @@
 pygit2==0.27.2
 bidict==0.13.1
-Pillow==9.0.0
+Pillow==9.0.1