diff --git a/.gitignore b/.gitignore
index 73a9dc99..c6cf94ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,7 @@ packages/
 build/*
 !build/build.cake
 !build/build.nuspec
-!build/build.ps1
\ No newline at end of file
+!build/build.ps1
+!build/tools/
+build/tools/*
+!build/tools/packages.config
\ No newline at end of file
diff --git a/build/tools/packages.config b/build/tools/packages.config
new file mode 100644
index 00000000..ec87d006
--- /dev/null
+++ b/build/tools/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+    <package id="Cake" version="0.35.0" />
+</packages>