diff --git a/src/py/Makefile b/src/py/Makefile
index b584645..cc3c67e 100644
--- a/src/py/Makefile
+++ b/src/py/Makefile
@@ -2,7 +2,7 @@ include ../../Makefile.global
 
 # Install the package locally for development
 install:
-	pip install ./crankshaft
+	pip install --upgrade ./crankshaft
 
 # Test develpment install
 test: