diff --git a/Gemfile b/Gemfile
index c80d669..4a44095 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "puma", ">= 5.0"
 gem "graphql", "~> 2.0"
 
 # Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
-gem "bcrypt", "~> 3.1.7"
+gem "bcrypt", "~> 3.1.21"
 
 # JSON Web Token for authentication
 gem "jwt"
diff --git a/Gemfile.lock b/Gemfile.lock
index f3a0266..4956fb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
       uri (>= 0.13.1)
     ast (2.4.3)
     base64 (0.3.0)
-    bcrypt (3.1.20)
+    bcrypt (3.1.21)
     bcrypt_pbkdf (1.1.2)
     bigdecimal (4.0.1)
     bootsnap (1.20.1)
@@ -350,7 +350,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  bcrypt (~> 3.1.7)
+  bcrypt (~> 3.1.21)
   bootsnap
   brakeman
   bundler-audit
@@ -388,7 +388,7 @@ CHECKSUMS
   activesupport (8.1.1) sha256=5e92534e8d0c8b8b5e6b16789c69dbea65c1d7b752269f71a39422e9546cea67
   ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
-  bcrypt (3.1.20) sha256=8410f8c7b3ed54a3c00cd2456bf13917d695117f033218e2483b2e40b0784099
+  bcrypt (3.1.21) sha256=5964613d750a42c7ee5dc61f7b9336fb6caca429ba4ac9f2011609946e4a2dcf
   bcrypt_pbkdf (1.1.2) sha256=c2414c23ce66869b3eb9f643d6a3374d8322dfb5078125c82792304c10b94cf6
   bigdecimal (4.0.1) sha256=8b07d3d065a9f921c80ceaea7c9d4ae596697295b584c296fe599dd0ad01c4a7
   bootsnap (1.20.1) sha256=7ad62cda65c5157bcca0acfcc0ee11fcbb83d7d7a8a72d52ccd85e6ffc130b93