diff --git a/Gemfile.lock b/Gemfile.lock
index b17ed109..4f42a91f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -889,7 +889,7 @@ GEM
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
-    hashdiff (0.3.8)
+    hashdiff (0.4.0)
     html-pipeline (2.11.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
@@ -1116,7 +1116,7 @@ GEM
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
     rubyzip (1.2.3)
-    safe_yaml (1.0.4)
+    safe_yaml (1.0.5)
     sanitize (5.0.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.8.0)
@@ -1222,10 +1222,10 @@ GEM
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
-    webmock (3.5.1)
+    webmock (3.6.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
-      hashdiff
+      hashdiff (>= 0.4.0, < 2.0.0)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)