diff --git a/Gemfile.lock b/Gemfile.lock
index cd79501ce..f31a3a025 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       sawyer (~> 0.7.0, >= 0.5.3)
     parallel (1.8.0)
     public_suffix (1.5.3)
-    rack (1.5.2)
+    rack (2.2.3.1)
     rack-contrib (1.1.0)
       rack (>= 0.9.1)
     rake (10.3.2)
@@ -150,4 +150,4 @@ DEPENDENCIES
   rake
 
 BUNDLED WITH
-   1.12.0
+   1.17.3