diff --git a/app/models/emoji.rb b/app/models/emoji.rb
index e636ae1686d..10755173b77 100644
--- a/app/models/emoji.rb
+++ b/app/models/emoji.rb
@@ -1,4 +1,7 @@
 class Emoji
+  # update this to clear the cache
+  EMOJI_VERSION = "v2"
+
   include ActiveModel::SerializerSupport
 
   attr_reader :path
@@ -20,19 +23,19 @@ class Emoji
   end
 
   def self.all
-    Discourse.cache.fetch("all_emojis:v2") { standard | custom }
+    Discourse.cache.fetch("all_emojis:#{EMOJI_VERSION}") { standard | custom }
   end
 
   def self.standard
-    Discourse.cache.fetch("standard_emojis:v2") { load_standard }
+    Discourse.cache.fetch("standard_emojis:#{EMOJI_VERSION}") { load_standard }
   end
 
   def self.aliases
-    Discourse.cache.fetch("aliases_emojis:v2") { load_aliases }
+    Discourse.cache.fetch("aliases_emojis:#{EMOJI_VERSION}") { load_aliases }
   end
 
   def self.custom
-    Discourse.cache.fetch("custom_emojis:v2") { load_custom }
+    Discourse.cache.fetch("custom_emojis:#{EMOJI_VERSION}") { load_custom }
   end
 
   def self.exists?(name)
@@ -76,10 +79,10 @@ class Emoji
   end
 
   def self.clear_cache
-    Discourse.cache.delete("custom_emojis")
-    Discourse.cache.delete("standard_emojis")
-    Discourse.cache.delete("aliases_emojis")
-    Discourse.cache.delete("all_emojis")
+    Discourse.cache.delete("custom_emojis:#{EMOJI_VERSION}")
+    Discourse.cache.delete("standard_emojis:#{EMOJI_VERSION}")
+    Discourse.cache.delete("aliases_emojis:#{EMOJI_VERSION}")
+    Discourse.cache.delete("all_emojis:#{EMOJI_VERSION}")
   end
 
   def self.db_file