diff --git a/setuptools/_vendor/vendored.txt b/setuptools/_vendor/vendored.txt
index 379aae56ed..5731b4244b 100644
--- a/setuptools/_vendor/vendored.txt
+++ b/setuptools/_vendor/vendored.txt
@@ -1,4 +1,4 @@
 packaging==16.8
 pyparsing==2.2.1
 six==1.10.0
-ordered-set
+ordered-set==3.1.1