diff --git a/Gemfile.lock b/Gemfile.lock
index 3a22f992..6f172ee1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,9 @@ GEM
     fast-stemmer (1.0.1)
     ffi (1.0.11)
     fssm (0.2.9)
-    haml (3.1.6)
+    haml (5.0.0)
+      temple (>= 0.8.0)
+      tilt
     jekyll (0.11.0)
       albino (>= 1.3.2)
       classifier (>= 1.3.1)
@@ -45,6 +47,7 @@ GEM
       tilt (>= 1.2.2, < 2.0)
     stringex (1.4.0)
     syntax (1.0.0)
+    temple (0.8.2)
     tilt (1.3.3)
 
 PLATFORMS