diff --git a/samples/modular_monolith_example/Gemfile.lock b/samples/modular_monolith_example/Gemfile.lock
index 66a54dc6..40a70ed8 100644
--- a/samples/modular_monolith_example/Gemfile.lock
+++ b/samples/modular_monolith_example/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       archive-zip (~> 0.10)
       nokogiri (~> 1.8)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.6)
     declarative (0.0.10)
     declarative-option (0.1.0)
     draper (3.0.1)
@@ -145,7 +145,7 @@ GEM
     logging (2.2.2)
       little-plugger (~> 1.1)
       multi_json (~> 1.10)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -157,16 +157,18 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
     multipart-post (2.0.0)
     nio4r (2.3.1)
-    nokogiri (1.8.3)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     os (0.9.6)
     public_suffix (3.0.2)
     puma (3.11.4)