diff --git a/Gemfile.lock b/Gemfile.lock
index 258a16f..c3842d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     ffi (1.1.5)
     ffi_gen (1.1.0)
       ffi (>= 1.0.0)
-    rake (0.9.2)
+    rake (13.0.1)
     rcov (0.9.11)
     yard (0.7.4)