diff --git a/Cargo.lock b/Cargo.lock
index 6bc90a065..4d3cc0c78 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4432,7 +4432,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-cli"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "assert_cmd",
  "assert_fs",
@@ -4676,7 +4676,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-hello"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 
 [[package]]
 name = "soroban-ledger-snapshot"
@@ -4813,7 +4813,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-json"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "pretty_assertions",
  "serde",
@@ -4859,7 +4859,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-tools"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "base64 0.21.7",
  "ethnum",
@@ -4877,7 +4877,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-spec-typescript"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "base64 0.21.7",
  "heck 0.4.1",
@@ -4898,7 +4898,7 @@ dependencies = [
 
 [[package]]
 name = "soroban-test"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "assert_cmd",
  "assert_fs",
@@ -4969,18 +4969,18 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-bye"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 
 [[package]]
 name = "stellar-cli"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-cli",
 ]
 
 [[package]]
 name = "stellar-ledger"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "async-trait",
  "bollard",
@@ -5018,8 +5018,9 @@ dependencies = [
 
 [[package]]
 name = "stellar-rpc-client"
-version = "21.4.0"
-source = "git+https://github.com/stellar/rs-stellar-rpc-client?rev=7554d4c87c026313a1f5b3c7ae66a92b5ff7e091#7554d4c87c026313a1f5b3c7ae66a92b5ff7e091"
+version = "22.0.0-rc.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eaba3219c517ceba11f99e1f9adb1e801fe8416bc9ff35c6842b5fe8cac19290"
 dependencies = [
  "clap",
  "hex",
@@ -5354,42 +5355,42 @@ dependencies = [
 
 [[package]]
 name = "test_constructor"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 22.0.0-rc.3",
 ]
 
 [[package]]
 name = "test_custom_account"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
 ]
 
 [[package]]
 name = "test_custom_types"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
 ]
 
 [[package]]
 name = "test_hello_world"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
 ]
 
 [[package]]
 name = "test_swap"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
 ]
 
 [[package]]
 name = "test_token"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
  "soroban-token-sdk",
@@ -5397,7 +5398,7 @@ dependencies = [
 
 [[package]]
 name = "test_udt"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 dependencies = [
  "soroban-sdk 21.7.2",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index d5f87b38e..31e92e40b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,24 +19,24 @@ exclude = [
 ]
 
 [workspace.package]
-version = "21.5.0"
+version = "22.0.0-rc.1"
 rust-version = "1.81.0"
 
 # Dependencies located in this repo:
 [workspace.dependencies.soroban-cli]
-version = "=21.5.0"
+version = "=22.0.0-rc.1"
 path = "cmd/soroban-cli"
 
 [workspace.dependencies.soroban-spec-json]
-version = "=21.5.0"
+version = "=22.0.0-rc.1"
 path = "./cmd/crates/soroban-spec-json"
 
 [workspace.dependencies.soroban-spec-typescript]
-version = "21.5.0"
+version = "22.0.0-rc.1"
 path = "./cmd/crates/soroban-spec-typescript"
 
 [workspace.dependencies.soroban-spec-tools]
-version = "21.5.0"
+version = "22.0.0-rc.1"
 path = "./cmd/crates/soroban-spec-tools"
 
 # Dependencies from the rs-stellar-xdr repo:
@@ -63,9 +63,7 @@ version = "=22.0.0-rc.3"
 # Dependencies from the rs-stellar-rpc-client repo:
 [workspace.dependencies.soroban-rpc]
 package = "stellar-rpc-client"
-version = "21.4.0"
-git = "https://github.com/stellar/rs-stellar-rpc-client"
-rev = "7554d4c87c026313a1f5b3c7ae66a92b5ff7e091"
+version = "=22.0.0-rc.1"
 
 # Dependencies from elsewhere shared by crates:
 [workspace.dependencies]
diff --git a/cmd/crates/soroban-test/Cargo.toml b/cmd/crates/soroban-test/Cargo.toml
index b240494e4..d9eb31bdd 100644
--- a/cmd/crates/soroban-test/Cargo.toml
+++ b/cmd/crates/soroban-test/Cargo.toml
@@ -6,7 +6,7 @@ repository = "https://github.com/stellar/soroban-test"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 readme = "README.md"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 edition = "2021"
 rust-version.workspace = true
 autobins = false
diff --git a/cmd/crates/soroban-test/tests/fixtures/bye/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/bye/Cargo.toml
index 7678eee5e..acee77f4b 100644
--- a/cmd/crates/soroban-test/tests/fixtures/bye/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/bye/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "stellar-bye"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 edition = "2021"
 publish = false
 
diff --git a/cmd/crates/soroban-test/tests/fixtures/hello/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/hello/Cargo.toml
index 0c3b1512f..2a212a532 100644
--- a/cmd/crates/soroban-test/tests/fixtures/hello/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/hello/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "soroban-hello"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 edition = "2021"
 publish = false
 
diff --git a/cmd/crates/soroban-test/tests/fixtures/test-wasms/constructor/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/test-wasms/constructor/Cargo.toml
index ef1dd882c..8c38fecb4 100644
--- a/cmd/crates/soroban-test/tests/fixtures/test-wasms/constructor/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/test-wasms/constructor/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test_constructor"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 edition = "2021"
diff --git a/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_account/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_account/Cargo.toml
index 792925edb..9be386b69 100644
--- a/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_account/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_account/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test_custom_account"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 edition = "2021"
diff --git a/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_type/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_type/Cargo.toml
index 398520104..7c4ca5828 100644
--- a/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_type/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/test-wasms/custom_type/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test_custom_types"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 edition = "2021"
diff --git a/cmd/crates/soroban-test/tests/fixtures/test-wasms/hello_world/Cargo.toml b/cmd/crates/soroban-test/tests/fixtures/test-wasms/hello_world/Cargo.toml
index 5f8b1256f..19b7353ca 100644
--- a/cmd/crates/soroban-test/tests/fixtures/test-wasms/hello_world/Cargo.toml
+++ b/cmd/crates/soroban-test/tests/fixtures/test-wasms/hello_world/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test_hello_world"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 edition = "2021"
diff --git a/cmd/soroban-cli/Cargo.toml b/cmd/soroban-cli/Cargo.toml
index efef18e0f..d2a53e6f2 100644
--- a/cmd/soroban-cli/Cargo.toml
+++ b/cmd/soroban-cli/Cargo.toml
@@ -6,7 +6,7 @@ repository = "https://github.com/stellar/stellar-cli"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 readme = "README.md"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 edition = "2021"
 rust-version.workspace = true
 autobins = false
diff --git a/cmd/stellar-cli/Cargo.toml b/cmd/stellar-cli/Cargo.toml
index 2a388b4de..21e7e307b 100644
--- a/cmd/stellar-cli/Cargo.toml
+++ b/cmd/stellar-cli/Cargo.toml
@@ -6,7 +6,7 @@ repository = "https://github.com/stellar/stellar-cli"
 authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 readme = "README.md"
-version = "21.5.0"
+version = "22.0.0-rc.1"
 edition = "2021"
 rust-version.workspace = true
 autobins = false