diff --git a/pubspec.lock b/pubspec.lock
index 64fe43d3..719fc54f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -93,10 +93,10 @@ packages:
     dependency: transitive
     description:
       name: charcode
-      sha256: fb98c0f6d12c920a02ee2d998da788bca066ca5f148492b7085ee23372b12306
+      sha256: fb0f1107cac15a5ea6ef0a6ef71a807b9e4267c713bb93e00e92d737cc8dbd8a
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.4.0"
   checked_yaml:
     dependency: transitive
     description:
@@ -700,10 +700,10 @@ packages:
     dependency: transitive
     description:
       name: postgres
-      sha256: f8e4f14734d096277f77ed5dddefcbc1ce18f8f7db5b7ff4b5dd6df2d9db2730
+      sha256: "9aaa6f4872956adef653535a4e2133b167465c1a68c22b9bd0744ef1244e9393"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.4"
+    version: "3.5.6"
   provider:
     dependency: transitive
     description:
diff --git a/shelf_modular/example/pubspec.yaml b/shelf_modular/example/pubspec.yaml
index d950fbbb..36d0f790 100644
--- a/shelf_modular/example/pubspec.yaml
+++ b/shelf_modular/example/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
   hotreloader: ^4.3.0
   shelf: ^1.3.0
   fpdart: ^0.0.10
-  postgres: ^2.4.1+2
+  postgres: ^3.5.6
   jose: ^0.3.2
   redis_dart: ^0.1.0+4
   uuid: ^4.5.1