diff --git a/examples/mongodb-rw/go.mod b/examples/mongodb-rw/go.mod
deleted file mode 100644
index 5f233af..0000000
--- a/examples/mongodb-rw/go.mod
+++ /dev/null
@@ -1,15 +0,0 @@
-module github.com/amsokol/mongo-go-driver-protobuf/examples/mongodb-rw
-
-go 1.12
-
-require (
-	github.com/amsokol/mongo-go-driver-protobuf v0.0.0-20190217043000-59e5d93ea61a
-	github.com/amsokol/protoc-gen-gotag v0.2.1
-	github.com/golang/protobuf v1.2.1-0.20190205222052-c823c79ea157
-	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
-	github.com/mongodb/mongo-go-driver v0.3.0
-	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c // indirect
-	github.com/xdg/stringprep v1.0.0 // indirect
-	golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 // indirect
-	golang.org/x/text v0.3.0 // indirect
-)
diff --git a/go.mod b/go.mod
index fbcaccc..a63e64f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,13 @@
 module github.com/amsokol/mongo-go-driver-protobuf
 
 require (
+	github.com/amsokol/protoc-gen-gotag v0.2.1
+	github.com/go-stack/stack v1.8.0 // indirect
 	github.com/golang/protobuf v1.2.1-0.20190205222052-c823c79ea157
+	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/mongodb/mongo-go-driver v0.3.0
+	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c // indirect
+	github.com/xdg/stringprep v1.0.0 // indirect
+	golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 // indirect
+	golang.org/x/text v0.3.0 // indirect
 )