diff --git a/build/version.go b/build/version.go
index 21cb88a82..789edf1fc 100644
--- a/build/version.go
+++ b/build/version.go
@@ -5,7 +5,7 @@ import "fmt"
 var CurrentCommit string
 
 // BuildVersion is the local build version, set by build system
-const BuildVersion = "0.2.7"
+const BuildVersion = "0.2.8"
 
 var UserVersion = BuildVersion + CurrentCommit
 
diff --git a/go.sum b/go.sum
index ed8807ca5..eb31db910 100644
--- a/go.sum
+++ b/go.sum
@@ -372,8 +372,6 @@ github.com/libp2p/go-eventbus v0.1.0 h1:mlawomSAjjkk97QnYiEmHsLu7E136+2oCWSHRUvM
 github.com/libp2p/go-eventbus v0.1.0/go.mod h1:vROgu5cs5T7cv7POWlWxBaVLxfSegC5UGQf8A2eEmx4=
 github.com/libp2p/go-flow-metrics v0.0.1 h1:0gxuFd2GuK7IIP5pKljLwps6TvcuYgvG7Atqi3INF5s=
 github.com/libp2p/go-flow-metrics v0.0.1/go.mod h1:Iv1GH0sG8DtYN3SVJ2eG221wMiNpZxBdp967ls1g+k8=
-github.com/libp2p/go-flow-metrics v0.0.2 h1:U5TvqfoyR6GVRM+bC15Ux1ltar1kbj6Zw6xOVR02CZs=
-github.com/libp2p/go-flow-metrics v0.0.2/go.mod h1:HeoSNUrOJVK1jEpDqVEiUOIXqhbnS27omG0uWU5slZs=
 github.com/libp2p/go-flow-metrics v0.0.3 h1:8tAs/hSdNvUiLgtlSy3mxwxWP4I9y/jlkPFT7epKdeM=
 github.com/libp2p/go-flow-metrics v0.0.3/go.mod h1:HeoSNUrOJVK1jEpDqVEiUOIXqhbnS27omG0uWU5slZs=
 github.com/libp2p/go-libp2p v0.0.30/go.mod h1:XWT8FGHlhptAv1+3V/+J5mEpzyui/5bvFsNuWYs611A=
@@ -409,8 +407,6 @@ github.com/libp2p/go-libp2p-core v0.2.0/go.mod h1:X0eyB0Gy93v0DZtSYbEM7RnMChm9Uv
 github.com/libp2p/go-libp2p-core v0.2.2/go.mod h1:8fcwTbsG2B+lTgRJ1ICZtiM5GWCWZVoVrLaDRvIRng0=
 github.com/libp2p/go-libp2p-core v0.2.4 h1:Et6ykkTwI6PU44tr8qUF9k43vP0aduMNniShAbUJJw8=
 github.com/libp2p/go-libp2p-core v0.2.4/go.mod h1:STh4fdfa5vDYr0/SzYYeqnt+E6KfEV5VxfIrm0bcI0g=
-github.com/libp2p/go-libp2p-core v0.2.5 h1:iP1PIiIrlRrGbE1fYq2918yBc5NlCH3pFuIPSWU9hds=
-github.com/libp2p/go-libp2p-core v0.2.5/go.mod h1:6+5zJmKhsf7yHn1RbmYDu08qDUpIUxGdqHuEZckmZOA=
 github.com/libp2p/go-libp2p-core v0.3.0 h1:F7PqduvrztDtFsAa/bcheQ3azmNo+Nq7m8hQY5GiUW8=
 github.com/libp2p/go-libp2p-core v0.3.0/go.mod h1:ACp3DmS3/N64c2jDzcV429ukDpicbL6+TrrxANBjPGw=
 github.com/libp2p/go-libp2p-crypto v0.0.1/go.mod h1:yJkNyDmO341d5wwXxDUGO0LykUVT72ImHNUqh5D/dBE=
@@ -460,10 +456,6 @@ github.com/libp2p/go-libp2p-peerstore v0.1.4 h1:d23fvq5oYMJ/lkkbO4oTwBp/JP+I/1m5
 github.com/libp2p/go-libp2p-peerstore v0.1.4/go.mod h1:+4BDbDiiKf4PzpANZDAT+knVdLxvqh7hXOujessqdzs=
 github.com/libp2p/go-libp2p-protocol v0.0.1/go.mod h1:Af9n4PiruirSDjHycM1QuiMi/1VZNHYcK8cLgFJLZ4s=
 github.com/libp2p/go-libp2p-protocol v0.1.0/go.mod h1:KQPHpAabB57XQxGrXCNvbL6UEXfQqUgC/1adR2Xtflk=
-github.com/libp2p/go-libp2p-pubsub v0.2.3 h1:qJRnRnM7Z4xnHb4i6EBb3DKQXRPgtFWlKP4AmfJudLQ=
-github.com/libp2p/go-libp2p-pubsub v0.2.3/go.mod h1:Jscj3fk23R5mCrOwb625xjVs5ZEyTZcx/OlTwMDqU+g=
-github.com/libp2p/go-libp2p-pubsub v0.2.5 h1:tPKbkjAUI0xLGN3KKTKKy9TQEviVfrP++zJgH5Muke4=
-github.com/libp2p/go-libp2p-pubsub v0.2.5/go.mod h1:9Q2RRq8ofXkoewORcyVlgUFDKLKw7BuYSlJVWRcVk3Y=
 github.com/libp2p/go-libp2p-pubsub v0.2.6 h1:ypZaukCFrtD8cNeeb9nnWG4MD2Y1T0p22aQ+f7FKJig=
 github.com/libp2p/go-libp2p-pubsub v0.2.6/go.mod h1:5jEp7R3ItQ0pgcEMrPZYE9DQTg/H3CTc7Mu1j2G4Y5o=
 github.com/libp2p/go-libp2p-quic-transport v0.1.1 h1:MFMJzvsxIEDEVKzO89BnB/FgvMj9WI4GDGUW2ArDPUA=