diff --git a/Gemfile b/Gemfile
index 3a4c69c..039026c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,4 +33,4 @@ gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem "wdm", "~> 0.1.0" if Gem.win_platform?
 
 
-gem "rake", "~> 12.3"
+gem "rake", "~> 13.3"
diff --git a/Gemfile.lock b/Gemfile.lock
index 3db43f1..f4aa70c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.7)
-    rake (12.3.3)
+    rake (13.3.1)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -82,7 +82,7 @@ DEPENDENCIES
   jekyll-regex-replace
   liquid-md5
   minima (~> 2.5)
-  rake (~> 12.3)
+  rake (~> 13.3)
   tzinfo-data
   webrick