diff --git a/Gemfile.lock b/Gemfile.lock
index 447e5a3..0c027f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -469,7 +469,7 @@ GEM
       ast (~> 2.4.1)
       racc
     parslet (2.0.0)
-    pg (1.5.5)
+    pg (1.5.6)
     plek (5.0.0)
     prometheus_exporter (2.1.0)
       webrick