diff --git a/Gemfile.lock b/Gemfile.lock
index 2d2c4f0..825467c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    childprocess (0.5.8)
+    childprocess (0.5.9)
       ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
     coderay (1.1.0)