diff --git a/Gemfile.lock b/Gemfile.lock
index ea0b02d1..529d1b5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
-    crack (0.4.6)
+    crack (1.0.0)
       bigdecimal
       rexml
     crass (1.0.6)
@@ -688,7 +688,7 @@ GEM
       rack (>= 2.0.9)
     warden-oauth2 (0.0.1)
       warden
-    webmock (3.20.0)
+    webmock (3.21.2)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)