diff --git a/functions/Gopkg.toml b/functions/Gopkg.toml
new file mode 100644
index 0000000..2c26088
--- /dev/null
+++ b/functions/Gopkg.toml
@@ -0,0 +1,5 @@
+ignored = ["github.com/kubeless/kubeless/pkg/functions"]
+
+[[constraint]]
+  name = "github.com/sirupsen/logrus"
+branch = "master"