diff --git a/Gemfile.lock b/Gemfile.lock
index 0a56fd28e..1f70b89cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -538,7 +538,7 @@ GEM
     parser (3.3.3.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.8)
+    pg (1.5.9)
     plek (5.2.0)
     prometheus_exporter (2.1.1)
       webrick