diff --git a/tools/mapmerge2/requirements.txt b/tools/mapmerge2/requirements.txt
index 8d77427c73..a4af4c97cb 100644
--- a/tools/mapmerge2/requirements.txt
+++ b/tools/mapmerge2/requirements.txt
@@ -1,3 +1,3 @@
 pygit2
 bidict==0.13.1
-Pillow==5.1.0
+Pillow==6.2.0
\ No newline at end of file