diff --git a/flink/docs/Gemfile b/flink/docs/Gemfile
index 6b3d0b4f..08cd75c0 100644
--- a/flink/docs/Gemfile
+++ b/flink/docs/Gemfile
@@ -20,7 +20,7 @@ source 'https://rubygems.org'
 
 ruby '>= 2.1.0'
 
-gem 'jekyll', '3.7.2'
+gem 'jekyll', '3.7.4'
 gem 'addressable', '2.4.0'
 gem 'octokit', '~> 4.3.0'
 gem 'therubyracer', '0.12.2'
diff --git a/flink/docs/Gemfile.lock b/flink/docs/Gemfile.lock
index 1faadc0b..5682c959 100644
--- a/flink/docs/Gemfile.lock
+++ b/flink/docs/Gemfile.lock
@@ -3,22 +3,22 @@ GEM
   specs:
     addressable (2.4.0)
     colorator (1.1.0)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    eventmachine (1.2.5)
+    eventmachine (1.2.7)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.18)
+    ffi (1.12.2)
     forwardable-extended (2.6.0)
     hawkins (2.0.5)
       em-websocket (~> 0.5)
       jekyll (~> 3.1)
     http_parser.rb (0.6.0)
-    i18n (0.9.3)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.7.2)
+    jekyll (3.7.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -31,32 +31,30 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-sass-converter (1.5.1)
+    jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-watch (2.0.0)
+    jekyll-watch (2.2.1)
       listen (~> 3.0)
     json (2.0.4)
-    kramdown (1.16.2)
+    kramdown (1.17.0)
     libv8 (3.16.14.19)
-    liquid (4.0.0)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
+    liquid (4.0.3)
+    listen (3.2.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     multipart-post (2.0.0)
     octokit (4.3.0)
       sawyer (~> 0.7.0, >= 0.5.3)
-    pathutil (0.16.1)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    rb-fsevent (0.10.2)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     ref (2.0.0)
-    rouge (3.1.1)
-    ruby_dep (1.5.0)
-    safe_yaml (1.0.4)
-    sass (3.5.5)
+    rouge (3.18.0)
+    safe_yaml (1.0.5)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -74,7 +72,7 @@ PLATFORMS
 DEPENDENCIES
   addressable (= 2.4.0)
   hawkins
-  jekyll (= 3.7.2)
+  jekyll (= 3.7.4)
   json (= 2.0.4)
   octokit (~> 4.3.0)
   therubyracer (= 0.12.2)