diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index 7093ed42ca6..508fde105e7 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/build/openrpc/miner.json.gz b/build/openrpc/miner.json.gz
index 5cac3c234d8..6e5bfa44fae 100644
Binary files a/build/openrpc/miner.json.gz and b/build/openrpc/miner.json.gz differ
diff --git a/build/openrpc/worker.json.gz b/build/openrpc/worker.json.gz
index 7cf450a4a40..40274260507 100644
Binary files a/build/openrpc/worker.json.gz and b/build/openrpc/worker.json.gz differ
diff --git a/documentation/en/cli-lotus-miner.md b/documentation/en/cli-lotus-miner.md
index 4ac15df5d50..ea5fba8f7b3 100644
--- a/documentation/en/cli-lotus-miner.md
+++ b/documentation/en/cli-lotus-miner.md
@@ -7,7 +7,7 @@ USAGE:
    lotus-miner [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.1-rc2
+   1.11.1-m1.3.4
 
 COMMANDS:
    init     Initialize a lotus miner repo
diff --git a/documentation/en/cli-lotus-worker.md b/documentation/en/cli-lotus-worker.md
index ccd8625d01d..c24e9f845b6 100644
--- a/documentation/en/cli-lotus-worker.md
+++ b/documentation/en/cli-lotus-worker.md
@@ -7,7 +7,7 @@ USAGE:
    lotus-worker [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.1-rc2
+   1.11.1-m1.3.4
 
 COMMANDS:
    run         Start lotus worker
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index e9d42f15178..574f81d9089 100644
--- a/documentation/en/cli-lotus.md
+++ b/documentation/en/cli-lotus.md
@@ -7,7 +7,7 @@ USAGE:
    lotus [global options] command [command options] [arguments...]
 
 VERSION:
-   1.11.1-rc2
+   1.11.1-m1.3.4
 
 COMMANDS:
    daemon   Start a lotus daemon process
diff --git a/go.mod b/go.mod
index 5b1eaafba40..305dd242567 100644
--- a/go.mod
+++ b/go.mod
@@ -99,7 +99,7 @@ require (
 	github.com/ipfs/go-unixfs v0.2.6
 	github.com/ipfs/interface-go-ipfs-core v0.2.3
 	github.com/ipld/go-car v0.1.1-0.20201119040415-11b6074b6d4d
-	github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210721090610-5a9d1b217d25
+	github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210803143113-d0e44a62f0a3
 	github.com/ipld/go-ipld-prime v0.5.1-0.20201021195245-109253e8a018
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/lib/pq v1.7.0
diff --git a/go.sum b/go.sum
index 780ecadddaa..8715e9b2a27 100644
--- a/go.sum
+++ b/go.sum
@@ -759,8 +759,9 @@ github.com/ipld/go-car v0.1.0/go.mod h1:RCWzaUh2i4mOEkB3W45Vc+9jnS/M6Qay5ooytiBH
 github.com/ipld/go-car v0.1.1-0.20200923150018-8cdef32e2da4/go.mod h1:xrMEcuSq+D1vEwl+YAXsg/JfA98XGpXDwnkIL4Aimqw=
 github.com/ipld/go-car v0.1.1-0.20201119040415-11b6074b6d4d h1:iphSzTuPqyDgH7WUVZsdqUnQNzYgIblsVr1zhVNA33U=
 github.com/ipld/go-car v0.1.1-0.20201119040415-11b6074b6d4d/go.mod h1:2Gys8L8MJ6zkh1gktTSXreY63t4UbyvNp5JaudTyxHQ=
-github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210721090610-5a9d1b217d25 h1:SeNfgKCuIhGJKpaSVvn8WX7uHxWeHvwVUq1MIh2KM2o=
 github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210721090610-5a9d1b217d25/go.mod h1:I2ACeeg6XNBe5pdh5TaR7Ambhfa7If9KXxmXgZsYENU=
+github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210803143113-d0e44a62f0a3 h1:TPOuaAmTWpzWFbGPsJ+QJsR6Qc+fnHKgvtA6Jy2A22w=
+github.com/ipld/go-car/v2 v2.0.0-beta1.0.20210803143113-d0e44a62f0a3/go.mod h1:I2ACeeg6XNBe5pdh5TaR7Ambhfa7If9KXxmXgZsYENU=
 github.com/ipld/go-ipld-prime v0.0.2-0.20191108012745-28a82f04c785/go.mod h1:bDDSvVz7vaK12FNvMeRYnpRFkSUPNQOiCYQezMD/P3w=
 github.com/ipld/go-ipld-prime v0.0.2-0.20200428162820-8b59dc292b8e/go.mod h1:uVIwe/u0H4VdKv3kaN1ck7uCb6yD9cFLS9/ELyXbsw8=
 github.com/ipld/go-ipld-prime v0.5.1-0.20200828233916-988837377a7f/go.mod h1:0xEgdD6MKbZ1vF0GC+YcR/C4SQCAlRuOjIJ2i0HxqzM=