diff --git a/Gemfile b/Gemfile
index b9c6c462ded483766f39f23efcd4d048d8cebceb..72c3b61eb24841d477e71f600d4660dafed2788d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -177,7 +177,7 @@ gem "rails-assets-diaspora_jsxc", "0.1.5.develop.7", source: "https://gems.diasp
 
 # Tags
 
-gem "acts-as-taggable-on", "6.0.0"
+gem "acts-as-taggable-on", "6.5.0"
 
 # URIs and HTTP
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 71a4c74ccac30bab0ae6ade26bf483983829a4f6..35ef8f50f3a928eedd86647e8134ca3e3815ec52 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,8 +48,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    acts-as-taggable-on (6.0.0)
-      activerecord (~> 5.0)
+    acts-as-taggable-on (6.5.0)
+      activerecord (>= 5.0, < 6.1)
     acts_as_api (1.0.1)
       activemodel (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -790,7 +790,7 @@ PLATFORMS
 DEPENDENCIES
   active_model_serializers (= 0.9.7)
   activerecord-import (= 1.0.4)
-  acts-as-taggable-on (= 6.0.0)
+  acts-as-taggable-on (= 6.5.0)
   acts_as_api (= 1.0.1)
   addressable (= 2.7.0)
   asset_sync (= 2.7.0)