diff --git a/Gemfile.lock b/Gemfile.lock
index 8639b74..bcc50ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,6 +2,7 @@ PATH
   remote: .
   specs:
     feature_flags (1.0.0)
+      json (= 2.6.2)
       sorbet-runtime
       sorbet-struct-comparable
       splitclient-rb (~> 8.0)
@@ -27,7 +28,7 @@ GEM
       faraday (~> 2.5)
       net-http-persistent (~> 4.0)
     hitimes (1.3.1)
-    json (2.7.2)
+    json (2.6.2)
     jwt (2.8.1)
       base64
     lru_redux (1.1.0)
@@ -46,7 +47,8 @@ GEM
     redis-client (0.21.1)
       connection_pool
     regexp_parser (2.1.1)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -106,6 +108,7 @@ GEM
       redis (>= 4.0.0, < 6.0)
       socketry (>= 0.4, < 1.0)
       thread_safe (~> 0.3)
+    strscan (3.1.0)
     thread_safe (0.3.6)
     unicode-display_width (2.1.0)
     unparser (0.6.0)
@@ -120,7 +123,6 @@ PLATFORMS
 DEPENDENCIES
   byebug
   feature_flags!
-  json (= 2.6.2)
   rspec
   rspec-parameterized
   rubocop