diff --git a/2.7-slim/Gemfile.lock b/2.7-slim/Gemfile.lock
index 3a697ac..f42ffd4 100644
--- a/2.7-slim/Gemfile.lock
+++ b/2.7-slim/Gemfile.lock
@@ -37,9 +37,9 @@ GEM
       byebug (~> 11.0)
       pry (~> 0.13.0)
     public_suffix (4.0.4)
-    rack (2.2.2)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack (3.0.9.1)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)