diff --git a/client/v2/go.mod b/client/v2/go.mod
index 4c9a6ec95..0c12a87aa 100644
--- a/client/v2/go.mod
+++ b/client/v2/go.mod
@@ -5,8 +5,8 @@ go 1.15
 require (
 	github.com/json-iterator/go v1.1.10
 	github.com/modern-go/reflect2 v1.0.1
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
 )
 
 replace (
diff --git a/client/v3/go.mod b/client/v3/go.mod
index ffa8ec18f..928c335d7 100644
--- a/client/v3/go.mod
+++ b/client/v3/go.mod
@@ -7,8 +7,8 @@ require (
 	github.com/google/uuid v1.1.2
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/prometheus/client_golang v1.5.1
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
 	go.uber.org/zap v1.16.0
 	google.golang.org/grpc v1.29.1
 	sigs.k8s.io/yaml v1.2.0
diff --git a/etcdctl/go.mod b/etcdctl/go.mod
index 519e6be7f..b0aebdbff 100644
--- a/etcdctl/go.mod
+++ b/etcdctl/go.mod
@@ -11,12 +11,12 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/urfave/cli v1.22.4
 	go.etcd.io/bbolt v1.3.5
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v2 v2.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/raft/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/server/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/client/v2 v2.305.0-pre
+	go.etcd.io/etcd/client/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
+	go.etcd.io/etcd/raft/v3 v3.5.0-pre
+	go.etcd.io/etcd/server/v3 v3.5.0-pre
 	go.uber.org/zap v1.16.0
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e
 	google.golang.org/grpc v1.29.1
diff --git a/go.mod b/go.mod
index 2fd43f53d..a41d019e7 100644
--- a/go.mod
+++ b/go.mod
@@ -19,13 +19,13 @@ require (
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/spf13/cobra v1.1.1
 	go.etcd.io/bbolt v1.3.5
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v2 v2.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/raft/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/server/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/tests/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/client/v2 v2.305.0-pre
+	go.etcd.io/etcd/client/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
+	go.etcd.io/etcd/raft/v3 v3.5.0-pre
+	go.etcd.io/etcd/server/v3 v3.5.0-pre
+	go.etcd.io/etcd/tests/v3 v3.5.0-pre
 	go.uber.org/zap v1.16.0
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e
 	google.golang.org/grpc v1.29.1
diff --git a/raft/go.mod b/raft/go.mod
index c594d30e9..cb9ca17f2 100644
--- a/raft/go.mod
+++ b/raft/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/gogo/protobuf v1.3.1
 	github.com/golang/protobuf v1.3.5
 	github.com/pkg/errors v0.9.1 // indirect
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
 )
 
 // Bad imports are sometimes causing attempts to pull that code.
diff --git a/server/go.mod b/server/go.mod
index 91c2dca97..0fa5edc49 100644
--- a/server/go.mod
+++ b/server/go.mod
@@ -27,11 +27,11 @@ require (
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20200427203606-3cfed13b9966
 	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2
 	go.etcd.io/bbolt v1.3.5
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v2 v2.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/raft/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/client/v2 v2.305.0-pre
+	go.etcd.io/etcd/client/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
+	go.etcd.io/etcd/raft/v3 v3.5.0-pre
 	go.uber.org/zap v1.16.0
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
 	golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect
diff --git a/tests/go.mod b/tests/go.mod
index 85a2bf01d..61a64ac9c 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -25,13 +25,13 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/pflag v1.0.5
 	go.etcd.io/bbolt v1.3.5
-	go.etcd.io/etcd/api/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v2 v2.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/client/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/etcdctl/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/pkg/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/raft/v3 v3.0.0-00010101000000-000000000000
-	go.etcd.io/etcd/server/v3 v3.0.0-00010101000000-000000000000
+	go.etcd.io/etcd/api/v3 v3.5.0-pre
+	go.etcd.io/etcd/client/v2 v2.305.0-pre
+	go.etcd.io/etcd/client/v3 v3.5.0-pre
+	go.etcd.io/etcd/etcdctl/v3 v3.5.0-pre
+	go.etcd.io/etcd/pkg/v3 v3.5.0-pre
+	go.etcd.io/etcd/raft/v3 v3.5.0-pre
+	go.etcd.io/etcd/server/v3 v3.5.0-pre
 	go.uber.org/zap v1.16.0
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e