diff --git a/setup/win32/winpy_requirements.txt b/setup/win32/winpy_requirements.txt
index 90a4a001..0edf56e5 100644
--- a/setup/win32/winpy_requirements.txt
+++ b/setup/win32/winpy_requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.3.4
+Babel==2.9.1
 decorator==4.0.10
 docutils==0.12
 ebaysdk==2.1.4