diff --git a/Gopkg.lock b/Gopkg.lock
deleted file mode 100644
index b0e361e..0000000
--- a/Gopkg.lock
+++ /dev/null
@@ -1,42 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/crypto"
-  packages = [
-    "blake2s",
-    "chacha20poly1305",
-    "curve25519",
-    "internal/chacha20",
-    "poly1305"
-  ]
-  revision = "ab813273cd59e1333f7ae7bff5d027d4aadf528c"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/net"
-  packages = [
-    "bpf",
-    "internal/iana",
-    "internal/socket",
-    "ipv4",
-    "ipv6"
-  ]
-  revision = "dfa909b99c79129e1100513e5cd36307665e5723"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/sys"
-  packages = [
-    "cpu",
-    "unix"
-  ]
-  revision = "c11f84a56e43e20a78cee75a7c034031ecf57d1f"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  inputs-digest = "d85ae9d2b4afafc3d7535505c46368cbbbec350cf876616302c1bcf44f6ec103"
-  solver-name = "gps-cdcl"
-  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
deleted file mode 100644
index 3aafd44..0000000
--- a/Gopkg.toml
+++ /dev/null
@@ -1,15 +0,0 @@
-[[constraint]]
-  branch = "master"
-  name = "golang.org/x/crypto"
-
-[[constraint]]
-  branch = "master"
-  name = "golang.org/x/net"
-
-[[constraint]]
-  branch = "master"
-  name = "golang.org/x/sys"
-
-[prune]
-  go-tests = true
-  unused-packages = true
diff --git a/Makefile b/Makefile
index e10fdc2..6b95f89 100644
--- a/Makefile
+++ b/Makefile
@@ -10,11 +10,9 @@ $(shell printf 'package main\nconst UseTheKernelModuleInstead = 0xdeadbabe\n' >
 endif
 endif
 
-all: wireguard-go
+export GOPATH ?= $(CURDIR)/.gopath
 
-export GOPATH := $(CURDIR)/.gopath
-export PATH := $(PATH):$(CURDIR)/.gopath/bin
-GO_IMPORT_PATH := git.zx2c4.com/wireguard-go
+all: wireguard-go
 
 version.go:
 	@export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \
@@ -24,28 +22,13 @@ version.go:
 	echo "$$ver" > $@ && \
 	git update-index --assume-unchanged $@ || true
 
-.gopath/.created:
-	rm -rf .gopath
-	mkdir -p $(dir .gopath/src/$(GO_IMPORT_PATH))
-	ln -s ../../.. .gopath/src/$(GO_IMPORT_PATH)
-	touch $@
-
-vendor/.created: Gopkg.toml Gopkg.lock | .gopath/.created
-	command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep
-	export PWD; cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -vendor-only -v
-	touch $@
-
-wireguard-go: $(wildcard *.go) $(wildcard */*.go) .gopath/.created vendor/.created version.go
-	go build -v $(GO_IMPORT_PATH)
+wireguard-go: $(wildcard *.go) $(wildcard */*.go)
+	go build -v -o "$@"
 
 install: wireguard-go
-	@install -v -d "$(DESTDIR)$(BINDIR)" && install -v -m 0755 wireguard-go "$(DESTDIR)$(BINDIR)/wireguard-go"
+	@install -v -d "$(DESTDIR)$(BINDIR)" && install -v -m 0755 "$<" "$(DESTDIR)$(BINDIR)/wireguard-go"
 
 clean:
 	rm -f wireguard-go
 
-update-dep: | .gopath/.created
-	command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep
-	cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -update -v
-
-.PHONY: clean install update-dep version.go
+.PHONY: clean install version.go
diff --git a/README.md b/README.md
index 72d0e0c..3aa1f29 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ This will run on OpenBSD. It does not yet support sticky sockets. Fwmark is mapp
 
 ## Building
 
-This requires an installation of [go](https://golang.org) and of [dep](https://github.com/golang/dep). If dep is not installed, it will be downloaded and built as part of the build process.
+This requires an installation of [go](https://golang.org) ≥ 1.11.
 
 ```
 $ git clone https://git.zx2c4.com/wireguard-go
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..d52cb0e
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module git.zx2c4.com/wireguard-go
+
+require (
+	golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4
+	golang.org/x/net v0.0.0-20181005035420-146acd28ed58
+	golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..83e6998
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4 h1:Vk3wNqEZwyGyei9yq5ekj7frek2u7HUfffJ1/opblzc=
+golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/net v0.0.0-20181005035420-146acd28ed58 h1:otZG8yDCO4LVps5+9bxOeNiCvgmOyt96J3roHTYs7oE=
+golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e h1:EfdBzeKbFSvOjoIqSZcfS8wp0FBLokGBEs9lz1OtSg0=
+golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=