diff --git a/Gemfile b/Gemfile
index 997d5dd72df0edd74c793e66c829f62243a3e6e1..7f744b8c7fa2eab73ab2843eb20d7008b915990d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -294,7 +294,7 @@ group :test do
   gem "factory_girl_rails", "4.9.0"
   gem "shoulda-matchers",   "4.0.1"
   gem "timecop",            "0.9.1"
-  gem "webmock",            "3.6.0", require: false
+  gem "webmock",            "3.8.3", require: false
 
   gem "diaspora_federation-test", "0.2.6"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 55931365a15cb0b85faba8b52a39a926bdf42ce3..d86212daff9d71a160cf1d57951c9902daf5c897 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -772,7 +772,7 @@ GEM
     webfinger (1.1.0)
       activesupport
       httpclient (>= 2.4)
-    webmock (3.6.0)
+    webmock (3.8.3)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
@@ -928,7 +928,7 @@ DEPENDENCIES
   unicorn-worker-killer (= 0.4.4)
   uuid (= 2.3.9)
   versionist (= 2.0.0)
-  webmock (= 3.6.0)
+  webmock (= 3.8.3)
   will_paginate (= 3.1.7)
 
 BUNDLED WITH