diff --git a/Gemfile.lock b/Gemfile.lock
index 5214b7e..eda715c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (2.3.6)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     colored2 (3.1.2)
     concurrent-ruby (1.1.10)
@@ -53,13 +53,13 @@ GEM
     hiera (3.11.0)
     hocon (1.3.1)
     json (2.6.3)
-    json-schema (3.0.0)
+    json-schema (4.0.0)
       addressable (>= 2.8)
     jwt (2.2.3)
     locale (2.1.3)
     log4r (1.1.10)
-    metadata-json-lint (3.0.2)
-      json-schema (>= 2.8, < 4.0)
+    metadata-json-lint (3.0.3)
+      json-schema (>= 2.8, < 5.0)
       spdx-licenses (~> 1.0)
     minitar (0.9)
     mocha (1.16.1)
@@ -75,7 +75,7 @@ GEM
     prime (0.1.2)
       forwardable
       singleton
-    public_suffix (4.0.7)
+    public_suffix (5.0.1)
     puppet (7.22.0)
       concurrent-ruby (~> 1.0, < 1.2.0)
       deep_merge (~> 1.0)