diff --git a/Makefile b/Makefile
index 4570b3d1..e7243282 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ git-remote:
 
 dependency-upgrade:
 	git checkout master
-	git branch -D "dependency-upgrade-`date -u +%Y-%m-%d`"
+	-git branch -D "dependency-upgrade-`date -u +%Y-%m-%d`"
 	git checkout -b "dependency-upgrade-`date -u +%Y-%m-%d`"
 	pur -r requirements.txt
 	pur -r requirements-dev.txt