diff --git a/pact_broker/Gemfile.lock b/pact_broker/Gemfile.lock
index 6497aa2..5d6f90a 100644
--- a/pact_broker/Gemfile.lock
+++ b/pact_broker/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.4)
-    nokogiri (1.13.7)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pact-support (1.18.0)