diff --git a/Gemfile.lock b/Gemfile.lock
index 64a0d3d2a..dd12e0792 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
-    crack (0.4.6)
+    crack (1.0.0)
       bigdecimal
       rexml
     crass (1.0.6)
@@ -630,7 +630,7 @@ GEM
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.5.0)
-    webmock (3.20.0)
+    webmock (3.21.2)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)