diff --git a/src/Gemfile.lock b/src/Gemfile.lock
index 981c63d..baa5c37 100644
--- a/src/Gemfile.lock
+++ b/src/Gemfile.lock
@@ -137,7 +137,7 @@ GEM
     parallel (1.20.1)
     parser (3.0.2.0)
       ast (~> 2.4.1)
-    pg (1.2.3)
+    pg (1.4.6)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)