diff --git a/pipelines/rpi/adapters/yaml-rpi/Gemfile.lock b/pipelines/rpi/adapters/yaml-rpi/Gemfile.lock
index ec876f36..e58a949d 100644
--- a/pipelines/rpi/adapters/yaml-rpi/Gemfile.lock
+++ b/pipelines/rpi/adapters/yaml-rpi/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     oj (3.3.9)
-    rack (2.1.1)
+    rack (2.2.3)
     rack-protection (2.0.8.1)
       rack
     ruby2_keywords (0.0.2)