diff --git a/pact_broker/Gemfile.lock b/pact_broker/Gemfile.lock
index 7696453..0a927b1 100644
--- a/pact_broker/Gemfile.lock
+++ b/pact_broker/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
     dry-container (0.6.0)
       concurrent-ruby (~> 1.0)
       dry-configurable (~> 0.1, >= 0.1.3)
-    dry-core (0.3.4)
+    dry-core (0.4.0)
       concurrent-ruby (~> 1.0)
     dry-equalizer (0.2.0)
     dry-logic (0.4.2)