diff --git a/Gemfile.lock b/Gemfile.lock
index 0ac2be1..09dca5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
       sshkit (>= 1.6.1, != 1.7.0)
     ast (2.4.2)
     base64 (0.2.0)
-    bcrypt (3.1.18)
+    bcrypt (3.1.22)
     bcrypt_pbkdf (1.1.0)
     bigdecimal (3.3.1)
     bitcoin-ruby (0.0.20)