diff --git a/Gemfile.lock b/Gemfile.lock
index 1ae92e1..4b6be4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,18 +22,18 @@ GEM
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    eventmachine (1.2.6)
+    eventmachine (1.2.7)
     execjs (2.7.0)
     extras (0.3.0)
       forwardable-extended (~> 2.5)
     facets (3.1.0)
     fastimage (2.1.3)
-    ffi (1.9.23)
+    ffi (1.9.25)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.1)
+    jekyll (3.8.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -65,7 +65,7 @@ GEM
     jekyll-video-tag (0.1.0)
     jekyll-watch (2.0.0)
       listen (~> 3.0)
-    kramdown (1.16.2)
+    kramdown (1.17.0)
     liquid (4.0.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)