diff --git a/blog/containerized_sinatra_app/Gemfile.lock b/blog/containerized_sinatra_app/Gemfile.lock
index 7d6ff24..5518bb6 100644
--- a/blog/containerized_sinatra_app/Gemfile.lock
+++ b/blog/containerized_sinatra_app/Gemfile.lock
@@ -42,7 +42,8 @@ GEM
       multi_json (~> 1.11)
       os (~> 0.9)
       signet (~> 0.7)
-    haml (4.0.7)
+    haml (5.0.0)
+      temple (>= 0.8.0)
       tilt
     i18n (0.7.0)
     json (1.8.3)
@@ -72,8 +73,9 @@ GEM
       rack (~> 1.5)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
+    temple (0.8.2)
     thread_safe (0.3.5)
-    tilt (2.0.2)
+    tilt (2.0.10)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     zonefile (1.04)