diff --git a/makefile b/makefile
index 2e11c4b..37668e4 100644
--- a/makefile
+++ b/makefile
@@ -84,6 +84,8 @@
 	echo "${GITREVISION}"  > ${TOOLSDIR}/tools-builder.upgrade.gitrevision
 	brew update
 	brew upgrade
+	brew unlink python
+	brew link python
 	pip install ${PIPMODULES} -U --ignore-installed
 
 insecure: