diff --git a/Gemfile b/Gemfile
index a06eefc9610..81a4557741d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 ruby '3.0.2'
 
 gem 'rails', '6.1.4.1'
-gem 'bootstrap', '4.6.0'
+gem 'bootstrap', '5.1.0'
 gem 'attr_encrypted'
 gem 'jquery-rails'
 gem 'pagy'
diff --git a/Gemfile.lock b/Gemfile.lock
index ac6578072f2..9873315b6ea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,9 +76,9 @@ GEM
       debug_inspector (>= 0.0.1)
     bootsnap (1.9.1)
       msgpack (~> 1.0)
-    bootstrap (4.6.0)
+    bootstrap (5.1.0)
       autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
+      popper_js (>= 2.9.3, < 3)
       sassc-rails (>= 2.0.0)
     brakeman (5.1.1)
     brpoplpush-redis_script (0.1.2)
@@ -217,7 +217,7 @@ GEM
     pg_search (2.3.5)
       activerecord (>= 5.2)
       activesupport (>= 5.2)
-    popper_js (1.16.0)
+    popper_js (2.9.3)
     public_suffix (4.0.6)
     puma (5.5.2)
       nio4r (~> 2.0)
@@ -357,7 +357,7 @@ DEPENDENCIES
   better_errors
   binding_of_caller
   bootsnap
-  bootstrap (= 4.6.0)
+  bootstrap (= 5.1.0)
   brakeman
   bugsnag
   bullet