diff --git a/Gemfile.lock b/Gemfile.lock
index b9f8417..97cc273 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
     ffi-compiler (1.3.2)
       ffi (>= 1.15.5)
       rake
-    hashdiff (1.1.0)
+    hashdiff (1.1.1)
     http (5.2.0)
       addressable (~> 2.8)
       base64 (~> 0.1)