diff --git a/lib/constants/redis_keys.rb b/lib/constants/redis_keys.rb
index 8fee76ce2..7138e4f24 100644
--- a/lib/constants/redis_keys.rb
+++ b/lib/constants/redis_keys.rb
@@ -1,3 +1,3 @@
 module Constants::RedisKeys
-  ROUND_ROBIN_AGENTS = "ROUND_ROBIN_AGENTS:%{inbox_id}"
+  ROUND_ROBIN_AGENTS = 'ROUND_ROBIN_AGENTS:%{inbox_id}'.freeze
 end
diff --git a/lib/constants/report.rb b/lib/constants/report.rb
index 34d0d3b40..43276d1a3 100644
--- a/lib/constants/report.rb
+++ b/lib/constants/report.rb
@@ -1,21 +1,18 @@
 # frozen_string_literal: true
 
 module Constants::Report
-  ACCOUNT_METRICS = [ :conversations_count,
-                      :incoming_messages_count,
-                      :outgoing_messages_count,
-                      :avg_first_response_time,
-                      :avg_resolution_time,
-                      :resolutions_count
-                    ]
+  ACCOUNT_METRICS = [:conversations_count,
+                     :incoming_messages_count,
+                     :outgoing_messages_count,
+                     :avg_first_response_time,
+                     :avg_resolution_time,
+                     :resolutions_count].freeze
 
-  AVG_ACCOUNT_METRICS = [:avg_first_response_time, :avg_resolution_time]
+  AVG_ACCOUNT_METRICS = [:avg_first_response_time, :avg_resolution_time].freeze
 
+  AGENT_METRICS = [:avg_first_response_time,
+                   :avg_resolution_time,
+                   :resolutions_count].freeze
 
-  AGENT_METRICS = [ :avg_first_response_time,
-                    :avg_resolution_time,
-                    :resolutions_count
-                  ]
-
-  AVG_AGENT_METRICS = [:avg_first_response_time, :avg_resolution_time]
+  AVG_AGENT_METRICS = [:avg_first_response_time, :avg_resolution_time].freeze
 end