diff --git a/Gemfile b/Gemfile
index e274141e..89cfbde9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 
-gem 'mdl', '0.4.0'
+gem 'mdl', '0.7.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9fa9442b..602dba0f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,19 +1,26 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    kramdown (1.13.2)
-    mdl (0.4.0)
-      kramdown (~> 1.12, >= 1.12.0)
-      mixlib-cli (~> 1.7, >= 1.7.0)
-      mixlib-config (~> 2.2, >= 2.2.1)
-    mixlib-cli (1.7.0)
-    mixlib-config (2.2.4)
+    kramdown (2.3.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    mdl (0.7.0)
+      kramdown (~> 2.0)
+      kramdown-parser-gfm (~> 1.0)
+      mixlib-cli (~> 2.1, >= 2.1.1)
+      mixlib-config (>= 2.2.1, < 4)
+    mixlib-cli (2.1.6)
+    mixlib-config (3.0.6)
+      tomlrb
+    rexml (3.2.4)
+    tomlrb (1.3.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  mdl (= 0.4.0)
+  mdl (= 0.7.0)
 
 BUNDLED WITH
-   1.14.6
+   1.17.3