diff --git a/Cargo.lock b/Cargo.lock
index 3f134bef..f0987c02 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1166,8 +1166,8 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
 name = "grin_api"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "bytes",
  "easy-jsonrpc-mw",
@@ -1199,8 +1199,8 @@ dependencies = [
 
 [[package]]
 name = "grin_chain"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "bit-vec",
  "bitflags 1.2.1",
@@ -1223,8 +1223,8 @@ dependencies = [
 
 [[package]]
 name = "grin_core"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -1249,8 +1249,8 @@ dependencies = [
 
 [[package]]
 name = "grin_keychain"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -1271,8 +1271,8 @@ dependencies = [
 
 [[package]]
 name = "grin_p2p"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "bitflags 1.2.1",
  "chrono",
@@ -1292,8 +1292,8 @@ dependencies = [
 
 [[package]]
 name = "grin_pool"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "blake2-rfc",
  "chrono",
@@ -1326,8 +1326,8 @@ dependencies = [
 
 [[package]]
 name = "grin_store"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "byteorder",
  "croaring-mw",
@@ -1346,8 +1346,8 @@ dependencies = [
 
 [[package]]
 name = "grin_util"
-version = "4.0.0-beta.2"
-source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-beta.2#dd88d28a7a22b509f01e20685fdf9a485ca82160"
+version = "4.0.0-rc.1"
+source = "git+https://github.com/mimblewimble/grin?tag=v4.0.0-rc.1#098d25e5696d1d97e4fbfabb80f27063caccd0f3"
 dependencies = [
  "backtrace",
  "base64 0.12.1",
@@ -1367,7 +1367,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "built",
  "clap",
@@ -1395,7 +1395,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_api"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "base64 0.12.1",
  "chrono",
@@ -1419,7 +1419,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_config"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "dirs 2.0.2",
  "grin_wallet_util",
@@ -1432,7 +1432,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_controller"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "chrono",
  "easy-jsonrpc-mw",
@@ -1462,7 +1462,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_impls"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "blake2-rfc",
  "byteorder",
@@ -1497,7 +1497,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_libwallet"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "age",
  "base64 0.9.3",
@@ -1529,7 +1529,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_util"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 dependencies = [
  "data-encoding",
  "ed25519-dalek",
diff --git a/Cargo.toml b/Cargo.toml
index 8bbe71ca..3868b908 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Simple, private and scalable cryptocurrency implementation based on the MimbleWimble chain format."
 license = "Apache-2.0"
@@ -31,13 +31,13 @@ semver = "0.10"
 rustyline = "6"
 lazy_static = "1"
 
-grin_wallet_api = { path = "./api", version = "4.0.0-beta.3" }
-grin_wallet_impls = { path = "./impls", version = "4.0.0-beta.3" }
-grin_wallet_libwallet = { path = "./libwallet", version = "4.0.0-beta.3" }
-grin_wallet_controller = { path = "./controller", version = "4.0.0-beta.3" }
-grin_wallet_config = { path = "./config", version = "4.0.0-beta.3" }
+grin_wallet_api = { path = "./api", version = "4.0.0-rc.1" }
+grin_wallet_impls = { path = "./impls", version = "4.0.0-rc.1" }
+grin_wallet_libwallet = { path = "./libwallet", version = "4.0.0-rc.1" }
+grin_wallet_controller = { path = "./controller", version = "4.0.0-rc.1" }
+grin_wallet_config = { path = "./config", version = "4.0.0-rc.1" }
 
-grin_wallet_util = { path = "./util", version = "4.0.0-beta.3" }
+grin_wallet_util = { path = "./util", version = "4.0.0-rc.1" }
 
 [build-dependencies]
 built = { version = "0.4", features = ["git2"]}
diff --git a/api/Cargo.toml b/api/Cargo.toml
index 961ef939..1a61a3b9 100644
--- a/api/Cargo.toml
+++ b/api/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_api"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Grin Wallet API"
 license = "Apache-2.0"
@@ -24,10 +24,10 @@ ring = "0.16"
 base64 = "0.12"
 ed25519-dalek = "1.0.0-pre.3"
 
-grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-beta.3" }
-grin_wallet_config = { path = "../config", version = "4.0.0-beta.3" }
-grin_wallet_impls = { path = "../impls", version = "4.0.0-beta.3" }
-grin_wallet_util = { path = "../util", version = "4.0.0-beta.3" }
+grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-rc.1" }
+grin_wallet_config = { path = "../config", version = "4.0.0-rc.1" }
+grin_wallet_impls = { path = "../impls", version = "4.0.0-rc.1" }
+grin_wallet_util = { path = "../util", version = "4.0.0-rc.1" }
 
 [dev-dependencies]
 serde_json = "1"
diff --git a/config/Cargo.toml b/config/Cargo.toml
index 74717d09..dbaec5b3 100644
--- a/config/Cargo.toml
+++ b/config/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_config"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Configuration for grin wallet , a simple, private and scalable cryptocurrency implementation based on the MimbleWimble chain format."
 license = "Apache-2.0"
@@ -16,7 +16,7 @@ serde_derive = "1"
 toml = "0.5"
 dirs = "2.0"
 
-grin_wallet_util = { path = "../util", version = "4.0.0-beta.3" }
+grin_wallet_util = { path = "../util", version = "4.0.0-rc.1" }
 
 [dev-dependencies]
 pretty_assertions = "0.6"
diff --git a/controller/Cargo.toml b/controller/Cargo.toml
index 1df0262e..860f57a1 100644
--- a/controller/Cargo.toml
+++ b/controller/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_controller"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Controllers for grin wallet instantiation"
 license = "Apache-2.0"
@@ -30,12 +30,12 @@ chrono = { version = "0.4.11", features = ["serde"] }
 easy-jsonrpc-mw = "0.5.4"
 lazy_static = "1"
 
-grin_wallet_util = { path = "../util", version = "4.0.0-beta.3" }
+grin_wallet_util = { path = "../util", version = "4.0.0-rc.1" }
 
-grin_wallet_api = { path = "../api", version = "4.0.0-beta.3" }
-grin_wallet_impls = { path = "../impls", version = "4.0.0-beta.3" }
-grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-beta.3" }
-grin_wallet_config = { path = "../config", version = "4.0.0-beta.3" }
+grin_wallet_api = { path = "../api", version = "4.0.0-rc.1" }
+grin_wallet_impls = { path = "../impls", version = "4.0.0-rc.1" }
+grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-rc.1" }
+grin_wallet_config = { path = "../config", version = "4.0.0-rc.1" }
 
 [dev-dependencies]
 ed25519-dalek = "1.0.0-pre.3"
diff --git a/impls/Cargo.toml b/impls/Cargo.toml
index 64a3cd73..0a5a9748 100644
--- a/impls/Cargo.toml
+++ b/impls/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_impls"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Concrete types derived from libwallet traits"
 license = "Apache-2.0"
@@ -41,6 +41,6 @@ regex = "1.3"
 timer = "0.2"
 sysinfo = "0.14"
 
-grin_wallet_util = { path = "../util", version = "4.0.0-beta.3" }
-grin_wallet_config = { path = "../config", version = "4.0.0-beta.3" }
-grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-beta.3" }
+grin_wallet_util = { path = "../util", version = "4.0.0-rc.1" }
+grin_wallet_config = { path = "../config", version = "4.0.0-rc.1" }
+grin_wallet_libwallet = { path = "../libwallet", version = "4.0.0-rc.1" }
diff --git a/libwallet/Cargo.toml b/libwallet/Cargo.toml
index 569ff07d..eda54b27 100644
--- a/libwallet/Cargo.toml
+++ b/libwallet/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_libwallet"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Simple, private and scalable cryptocurrency implementation based on the MimbleWimble chain format."
 license = "Apache-2.0"
@@ -36,6 +36,6 @@ secrecy = "0.6"
 bech32 = "0.7"
 byteorder = "1.3"
 
-grin_wallet_util = { path = "../util", version = "4.0.0-beta.3" }
-grin_wallet_config = { path = "../config", version = "4.0.0-beta.3" }
+grin_wallet_util = { path = "../util", version = "4.0.0-rc.1" }
+grin_wallet_config = { path = "../config", version = "4.0.0-rc.1" }
 
diff --git a/util/Cargo.toml b/util/Cargo.toml
index eb3b84ff..4747a18a 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "grin_wallet_util"
-version = "4.0.0-beta.3"
+version = "4.0.0-rc.1"
 authors = ["Grin Developers <mimblewimble@lists.launchpad.net>"]
 description = "Util, for generic utilities and to re-export grin crates"
 license = "Apache-2.0"
@@ -27,12 +27,12 @@ sha3 = "0.8"
 
 # For beta release
 
-grin_core = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2"}
-grin_keychain = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2" }
-grin_chain = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2" }
-grin_util = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2" }
-grin_api = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2" }
-grin_store = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-beta.2" }
+grin_core = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1"}
+grin_keychain = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1" }
+grin_chain = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1" }
+grin_util = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1" }
+grin_api = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1" }
+grin_store = { git = "https://github.com/mimblewimble/grin", tag = "v4.0.0-rc.1" }
 
 # For bleeding edge
 # grin_core = { git = "https://github.com/mimblewimble/grin", branch = "master" }