diff --git a/Gemfile.lock b/Gemfile.lock
index 73bd52d..d48afd1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,26 +6,27 @@ PATH
       activerecord (>= 3.1.0)
       activesupport (>= 3.1.0)
       rainbow (>= 1.1.3)
-      rake (= 0.8.7)
+      rake (= 13.0.1)
       sqlite3 (>= 1.3.5)
 
 GEM
   remote: http://rubygems.org/
   specs:
     OptionParser (0.5.1)
-    activemodel (3.2.1)
-      activesupport (= 3.2.1)
+    activemodel (3.2.22.5)
+      activesupport (= 3.2.22.5)
       builder (~> 3.0.0)
-    activerecord (3.2.1)
-      activemodel (= 3.2.1)
-      activesupport (= 3.2.1)
-      arel (~> 3.0.0)
+    activerecord (3.2.22.5)
+      activemodel (= 3.2.22.5)
+      activesupport (= 3.2.22.5)
+      arel (~> 3.0.2)
       tzinfo (~> 0.3.29)
-    activesupport (3.2.1)
-      i18n (~> 0.6)
+    activesupport (3.2.22.5)
+      i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    arel (3.0.0)
+    arel (3.0.3)
     builder (3.0.0)
+    concurrent-ruby (1.1.6)
     cucumber (1.1.4)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.2)
@@ -35,20 +36,21 @@ GEM
     diff-lcs (1.1.3)
     gherkin (2.7.6)
       json (>= 1.4.6)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.6.5)
     metaclass (0.0.1)
     minitest (2.11.0)
     mocha (0.10.3)
       metaclass (~> 0.0.1)
-    multi_json (1.0.4)
-    rainbow (1.1.3)
-    rake (0.8.7)
+    multi_json (1.14.1)
+    rainbow (3.0.0)
+    rake (13.0.1)
     rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
-    sqlite3 (1.3.5)
+    sqlite3 (1.4.2)
     term-ansicolor (1.0.7)
-    tzinfo (0.3.31)
+    tzinfo (0.3.56)
     yard (0.7.4)
 
 PLATFORMS
diff --git a/github-api-client.gemspec b/github-api-client.gemspec
index 3c57a36..b6d0d87 100644
--- a/github-api-client.gemspec
+++ b/github-api-client.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.summary = %{Library for easy GitHub API browsing}
 
   s.add_runtime_dependency("rainbow", [">= 1.1.3"])
-  s.add_runtime_dependency("rake", ["= 0.8.7"])
+  s.add_runtime_dependency("rake", "= 13.0.1")
   s.add_runtime_dependency("activerecord", [">= 3.1.0"])
   s.add_runtime_dependency("activesupport", [">= 3.1.0"])
   s.add_runtime_dependency("sqlite3", [">= 1.3.5"])