diff --git a/Gemfile b/Gemfile
index b3f5a9fec..1ade1b73b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ gem "emoji_regex", "~> 3.2" # A pair of Ruby regular expressions for matching Un
 gem "fastimage", "~> 2.2" # FastImage finds the size or type of an image given its uri by fetching as little as needed.
 gem "fastly", "~> 3.0" # Client library for the Fastly acceleration system
 gem "feedjira", "~> 3.2" # A feed fetching and parsing library
-gem "field_test", "~> 0.4" # A/B testing
+gem "field_test", "~> 0.5" # A/B testing
 gem "flipper", "~> 0.22.1" # Feature flipping / flags for Ruby
 gem "flipper-active_record", "~> 0.22.1" # Store Flipper flags in ActiveRecord
 gem "flipper-active_support_cache_store", "~> 0.22.1" # Cache feature flags for a short time
diff --git a/Gemfile.lock b/Gemfile.lock
index 708b24f0f..22f2010e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -208,7 +208,6 @@ GEM
       actionmailer (>= 5.0)
       devise (>= 4.6)
     diff-lcs (1.4.4)
-    distribution (0.8.0)
     docile (1.3.5)
     dogstatsd-ruby (4.8.3)
     domain_name (0.5.20190701)
@@ -279,11 +278,11 @@ GEM
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
-    field_test (0.4.1)
-      activerecord (>= 5)
+    field_test (0.5.0)
+      activerecord (>= 5.2)
       browser (>= 2.0)
-      distribution
-      railties (>= 5)
+      railties (>= 5.2)
+      rice (>= 4.0.2)
     flipper (0.22.1)
     flipper-active_record (0.22.1)
       activerecord (>= 4.2, < 7)
@@ -619,6 +618,7 @@ GEM
     reverse_markdown (2.0.0)
       nokogiri
     rexml (3.2.5)
+    rice (4.0.2)
     rolify (6.0.0)
     rouge (3.26.1)
     rpush (6.0.0)
@@ -888,7 +888,7 @@ DEPENDENCIES
   fastimage (~> 2.2)
   fastly (~> 3.0)
   feedjira (~> 3.2)
-  field_test (~> 0.4)
+  field_test (~> 0.5)
   flipper (~> 0.22.1)
   flipper-active_record (~> 0.22.1)
   flipper-active_support_cache_store (~> 0.22.1)
diff --git a/vendor/cache/distribution-0.8.0.gem b/vendor/cache/distribution-0.8.0.gem
deleted file mode 100644
index 9ed853c97..000000000
Binary files a/vendor/cache/distribution-0.8.0.gem and /dev/null differ
diff --git a/vendor/cache/field_test-0.4.1.gem b/vendor/cache/field_test-0.4.1.gem
deleted file mode 100644
index a2ba9d088..000000000
Binary files a/vendor/cache/field_test-0.4.1.gem and /dev/null differ
diff --git a/vendor/cache/field_test-0.5.0.gem b/vendor/cache/field_test-0.5.0.gem
new file mode 100644
index 000000000..67704cfb1
Binary files /dev/null and b/vendor/cache/field_test-0.5.0.gem differ
diff --git a/vendor/cache/rice-4.0.2.gem b/vendor/cache/rice-4.0.2.gem
new file mode 100644
index 000000000..e488fe62e
Binary files /dev/null and b/vendor/cache/rice-4.0.2.gem differ