diff --git a/Gemfile.lock b/Gemfile.lock
index b754a8d..0056fd2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     incr (1.0.0)
-      git (= 1.13.1)
+      git (= 1.18.0)
       gli (= 2.21.0)
       sem_version (= 2.0.1)
 
@@ -13,7 +13,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     diff-lcs (1.5.0)
-    git (1.13.1)
+    git (1.18.0)
       addressable (~> 2.8)
       rchardet (~> 1.8)
     gli (2.21.0)
diff --git a/incr.gemspec b/incr.gemspec
index d803507..6988191 100644
--- a/incr.gemspec
+++ b/incr.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency('gli', '2.21.0')
   spec.add_runtime_dependency('sem_version', '2.0.1')
-  spec.add_runtime_dependency('git', '1.13.1')
+  spec.add_runtime_dependency('git', '1.18.0')
 
   spec.add_development_dependency('rake', '13.0.6')
   spec.add_development_dependency('rspec', '3.12.0')