diff --git a/Gemfile.lock b/Gemfile.lock
index 3d7d7cc281..52cfa434ce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,8 +160,7 @@ GEM
     cose (1.0.0)
       cbor (~> 0.5.9)
       openssl-signature_algorithm (~> 0.4.0)
-    crack (0.4.3)
-      safe_yaml (~> 1.0.0)
+    crack (0.4.4)
     crass (1.0.6)
     css_parser (1.7.1)
       addressable
@@ -555,7 +554,6 @@ GEM
       nokogiri (>= 1.5.10)
     rufus-scheduler (3.6.0)
       fugit (~> 1.1, >= 1.1.6)
-    safe_yaml (1.0.5)
     safety_net_attestation (0.4.0)
       jwt (~> 2.0)
     sanitize (5.2.1)