diff --git a/Gemfile b/Gemfile
index 4f37956..c034c35 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-gem 'git', '~> 1.18.0'
+gem 'git', '~> 1.19.0'
 gem 'json', '~> 2.7'
 gem 'octokit', '~> 8.0.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3c8f4ef..6d93b39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     base64 (0.1.1)
@@ -10,7 +10,7 @@ GEM
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
-    git (1.18.0)
+    git (1.19.0)
       addressable (~> 2.8)
       rchardet (~> 1.8)
     json (2.7.1)
@@ -22,7 +22,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.3)
     rainbow (3.1.1)
     rchardet (1.8.0)
@@ -53,7 +53,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  git (~> 1.18.0)
+  git (~> 1.19.0)
   json (~> 2.7)
   octokit (~> 8.0.0)
   rubocop (~> 1.59)