diff --git a/Gemfile b/Gemfile
index e09be70..04ba83d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'puma-daemon', require: false # Installed out-of-bundle, managed by ndr_dev_
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.7'
 # Compute secure password hashes:
-gem 'bcrypt', '~> 3.1.7'
+gem 'bcrypt', '~> 3.1.22'
 # Build interactive terminal prompts:
 gem 'highline'
 # Authorisation library:
diff --git a/Gemfile.lock b/Gemfile.lock
index c7748ae..3f36c35 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.3)
     base64 (0.3.0)
-    bcrypt (3.1.20)
+    bcrypt (3.1.22)
     benchmark (0.4.1)
     bigdecimal (3.2.2)
     bootsnap (1.18.6)
@@ -373,7 +373,7 @@ PLATFORMS
 
 DEPENDENCIES
   activerecord-import
-  bcrypt (~> 3.1.7)
+  bcrypt (~> 3.1.22)
   bootsnap (>= 1.4.2)
   byebug
   cancancan
diff --git a/vendor/cache/bcrypt-3.1.20.gem b/vendor/cache/bcrypt-3.1.20.gem
deleted file mode 100644
index c1242b5..0000000
Binary files a/vendor/cache/bcrypt-3.1.20.gem and /dev/null differ
diff --git a/vendor/cache/bcrypt-3.1.22.gem b/vendor/cache/bcrypt-3.1.22.gem
new file mode 100644
index 0000000..21a7558
Binary files /dev/null and b/vendor/cache/bcrypt-3.1.22.gem differ