diff --git a/Gemfile b/Gemfile
index ea91dae4..4c9e61ab 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ gem 'codecov', '0.6.0'
 gem 'crack', '0.4.5'
 gem 'gitlab', '4.19.0'
 gem 'glogin', '0.8.0'
-gem 'haml', '5.2.2'
+gem 'haml', '6.0.5'
 gem 'jira-ruby', '2.2.0'
 gem 'mail', '2.7.1'
 gem 'mocha', '1.15.0', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 55301bb0..0ccaf950 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,8 +48,9 @@ GEM
       terminal-table (>= 1.5.1)
     glogin (0.8.0)
       base58 (= 0.2.3)
-    haml (5.2.2)
-      temple (>= 0.8.0)
+    haml (6.0.5)
+      temple (>= 0.8.2)
+      thor
       tilt
     hashie (5.0.0)
     httparty (0.20.0)
@@ -172,6 +173,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     test-unit (3.5.5)
       power_assert
+    thor (1.2.1)
     tilt (2.0.11)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
@@ -197,7 +199,7 @@ DEPENDENCIES
   crack (= 0.4.5)
   gitlab (= 4.19.0)
   glogin (= 0.8.0)
-  haml (= 5.2.2)
+  haml (= 6.0.5)
   jira-ruby (= 2.2.0)
   mail (= 2.7.1)
   mocha (= 1.15.0)