diff --git a/Gemfile.lock b/Gemfile.lock
index 0f156a08e6c9a820a11a4b0164ee8d43046b447a..1b95e4230feeba1195276470839c84db5f672fa7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -420,7 +420,7 @@ GEM
     pg (1.2.3)
     pghero (2.8.2)
       activerecord (>= 5)
-    pkg-config (1.4.6)
+    pkg-config (1.4.7)
     posix-spawn (0.3.15)
     premailer (1.14.2)
       addressable