diff --git a/2.7-slim/Gemfile.lock b/2.7-slim/Gemfile.lock
index 3a697ac..0a6e5a7 100644
--- a/2.7-slim/Gemfile.lock
+++ b/2.7-slim/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     byebug (11.1.2)
     capybara (3.5.0)
       addressable
@@ -36,7 +36,7 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    public_suffix (4.0.4)
+    public_suffix (5.0.0)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)