diff --git a/Gemfile b/Gemfile
index d813dd9..02af110 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 ruby '2.6.10'
 
-gem 'haml', '~> 6.2'
+gem 'haml', '~> 6.3'
 gem 'iso-639', '~> 0.3.6'
 gem 'json', '~> 2.7'
 gem 'mail', '~> 2.8'
diff --git a/Gemfile.lock b/Gemfile.lock
index c953f32..fc27296 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     fugit (1.9.0)
       et-orbi (~> 1, >= 1.2.7)
       raabro (~> 1.4)
-    haml (6.2.3)
+    haml (6.3.0)
       temple (>= 0.8.2)
       thor
       tilt
@@ -127,7 +127,7 @@ PLATFORMS
 
 DEPENDENCIES
   byebug
-  haml (~> 6.2)
+  haml (~> 6.3)
   iso-639 (~> 0.3.6)
   json (~> 2.7)
   mail (~> 2.8)