diff --git a/Gemfile b/Gemfile
index 7c9d4a2f3f7e0caebd77a5397aa04597b4207315..af82ae16a56a40aabf58160ffdd3ccb54a137b7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -117,7 +117,7 @@ gem 'truncato',           '~> 0.7.8'
 gem 'nokogiri', '~> 1.6.7', '>= 1.6.7.2'
 
 # Diffs
-gem 'diffy', '~> 3.0.3'
+gem 'diffy', '~> 3.1.0'
 
 # Application server
 group :unicorn do
diff --git a/Gemfile.lock b/Gemfile.lock
index 79c828ff0f27025401224751dd3f9bd29708ca15..888fa6b2bf5ca6d3abfdbc9835b6c5d0b5f87cd2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       railties
       rotp (~> 2.0)
     diff-lcs (1.2.5)
-    diffy (3.0.7)
+    diffy (3.1.0)
     docile (1.1.5)
     doorkeeper (4.2.0)
       railties (>= 4.2)
@@ -847,7 +847,7 @@ DEPENDENCIES
   default_value_for (~> 3.0.0)
   devise (~> 4.2)
   devise-two-factor (~> 3.0.0)
-  diffy (~> 3.0.3)
+  diffy (~> 3.1.0)
   doorkeeper (~> 4.2.0)
   dropzonejs-rails (~> 0.7.1)
   email_reply_parser (~> 0.5.8)