diff --git a/Gemfile.lock b/Gemfile.lock
index 97a3fbf..5219d38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,7 +23,7 @@ GEM
     mocha (1.12.0)
     multipart-post (2.1.1)
     public_suffix (4.0.2)
-    rake (10.5.0)
+    rake (13.0.3)
     ruby2_keywords (0.0.2)
     safe_yaml (1.0.5)
     webmock (3.7.6)
@@ -38,7 +38,7 @@ DEPENDENCIES
   bundler
   minitest (~> 5.0)
   mocha
-  rake (~> 10.0)
+  rake (~> 13.0)
   rubyplex!
   webmock
 
diff --git a/rubyplex.gemspec b/rubyplex.gemspec
index d71d5c9..eedf5f0 100644
--- a/rubyplex.gemspec
+++ b/rubyplex.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler"
-  spec.add_development_dependency "rake",         "~> 10.0"
+  spec.add_development_dependency "rake",         "~> 13.0"
   spec.add_development_dependency "minitest",     "~> 5.0"
   spec.add_development_dependency "webmock"
   spec.add_development_dependency "mocha"