diff --git a/src/approov-protected-server/token-binding-check/hello/Gemfile.lock b/src/approov-protected-server/token-binding-check/hello/Gemfile.lock
index f1db13e..e30c46c 100644
--- a/src/approov-protected-server/token-binding-check/hello/Gemfile.lock
+++ b/src/approov-protected-server/token-binding-check/hello/Gemfile.lock
@@ -134,7 +134,7 @@ GEM
       racc (~> 1.4)
     psych (5.1.2)
       stringio
-    puma (5.6.8)
+    puma (5.6.9)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (3.1.7)