diff --git a/Gemfile b/Gemfile
index d39a409f0..48a33bc39 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 gem "rails", "6.0.5.1"
 
-gem "acts-as-taggable-on", "~> 8.1.0"
+gem "acts-as-taggable-on", "~> 9.0.1"
 gem "acts_as_votable", "~> 0.13.2"
 gem "ahoy_matey", "~> 3.2.0"
 gem "airbrake", "~> 11.0.3"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4b5c8b43c..c68d10873 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,8 +57,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    acts-as-taggable-on (8.1.0)
-      activerecord (>= 5.0, < 6.2)
+    acts-as-taggable-on (9.0.1)
+      activerecord (>= 6.0, < 7.1)
     acts_as_votable (0.13.2)
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
@@ -703,7 +703,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  acts-as-taggable-on (~> 8.1.0)
+  acts-as-taggable-on (~> 9.0.1)
   acts_as_votable (~> 0.13.2)
   ahoy_matey (~> 3.2.0)
   airbrake (~> 11.0.3)