diff --git a/Gemfile.lock b/Gemfile.lock
index 7f629cf..6f202ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
   specs:
     diff-lcs (1.2.5)
     narray (0.6.0.9)
-    rake (10.3.2)
+    rake (13.0.1)
     rb-gsl (1.16.0.2)
       narray (>= 0.5.9)
     rspec (3.0.0)
@@ -33,6 +33,6 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.3)
   integration!
-  rake (~> 10)
+  rake (~> 13)
   rb-gsl
   rspec (~> 3.0)
diff --git a/integration.gemspec b/integration.gemspec
index 63a0062..877a3ad 100644
--- a/integration.gemspec
+++ b/integration.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.summary = "A suite for integration in Ruby"
   s.add_runtime_dependency 'text-table', '~>1.2'
   s.add_runtime_dependency 'rb-gsl', '~>1.2'
-  s.add_development_dependency 'rake', '~>10'
+  s.add_development_dependency 'rake', '~>13'
   s.add_development_dependency 'bundler', '~>1.3'
   s.add_development_dependency 'rspec', '~>2.0'
 end