diff --git a/Gopkg.lock b/Gopkg.lock
new file mode 100644
index 0000000..11879f4
--- /dev/null
+++ b/Gopkg.lock
@@ -0,0 +1,33 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "code.ivysaur.me/libnmdc"
+  packages = ["."]
+  revision = "21847db9fdc1b983285de44e789cd9e921bdf1bb"
+  version = "v0.14.0"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/googollee/go-engine.io"
+  packages = [".","message","parser","polling","transport","websocket"]
+  revision = "80ae0e43aca17b4c5a6834999d0f2eaa16b9afda"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/googollee/go-socket.io"
+  packages = ["."]
+  revision = "5447e71f36d394766bf855d5714a487596809f0d"
+
+[[projects]]
+  name = "github.com/gorilla/websocket"
+  packages = ["."]
+  revision = "ea4d1f681babbce9545c9c5f3d5194a789c89f5b"
+  version = "v1.2.0"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "928468c40a3a664870459e1d5a1fa97fcbc45802fdd498ebf89bcffe0b44ec6e"
+  solver-name = "gps-cdcl"
+  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
new file mode 100644
index 0000000..1cbe329
--- /dev/null
+++ b/Gopkg.toml
@@ -0,0 +1,30 @@
+
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#  name = "github.com/x/y"
+#  version = "2.4.0"
+
+
+[[constraint]]
+  name = "code.ivysaur.me/libnmdc"
+  version = "0.14.0"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/googollee/go-socket.io"
diff --git a/Makefile b/Makefile
index b2b2fa4..0d1ea78 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ GOFLAGS=-a \
 	-gcflags "-trimpath ${GOPATH}" \
 	-asmflags "-trimpath ${GOPATH}"
 	
-SOURCES=client/ clientpack.php Config.go main.go nmdc-webfrontend.conf.SAMPLE
+SOURCES=client/ Gopkg.lock Gopkg.toml Makefile Config.go main.go nmdc-webfrontend.conf.SAMPLE
 
 .PHONY: all deps clean
 
@@ -17,9 +17,9 @@ all: $(BINNAME)-$(VERSION)-win32.7z $(BINNAME)-$(VERSION)-linux64.tar.xz $(BINNA
 
 deps:
 	npm install -g less uglify-js less-plugin-clean-css html-minifier
-	go get github.com/googollee/go-socket.io
-	go get code.ivysaur.me/libnmdc
 	go get -u github.com/jteeuwen/go-bindata/...
+	go get -u github.com/golang/dep/cmd/dep
+	dep ensure
 	
 clean:
 	rm -f ./$(BINNAME)