diff --git a/Cargo.lock b/Cargo.lock
index b227e37..1a796d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2103,7 +2103,7 @@ checksum = "33cb294fe86a74cbcf50d4445b37da762029549ebeea341421c7c70370f86cac"
 
 [[package]]
 name = "pubky"
-version = "0.4.2"
+version = "0.4.2-rc.1"
 dependencies = [
  "anyhow",
  "base64 0.22.1",
diff --git a/pubky-testnet/Cargo.toml b/pubky-testnet/Cargo.toml
index af51385..44f3fcc 100644
--- a/pubky-testnet/Cargo.toml
+++ b/pubky-testnet/Cargo.toml
@@ -15,7 +15,7 @@ anyhow = "1.0.95"
 http-relay = "0.2.0"
 mainline = "5.2.0"
 pkarr-relay = "0.5.7"
-pubky = { version = "0.4.2", path = "../pubky" }
+pubky = { version = "0.4.2-rc.1", path = "../pubky" }
 pubky-common = { version = "0.3.1", path = "../pubky-common" }
 pubky-homeserver = { version = "0.1.1", path = "../pubky-homeserver" }
 tokio = { version = "1.43.0", features = ["full"] }
diff --git a/pubky/Cargo.toml b/pubky/Cargo.toml
index 1fe3845..12aee35 100644
--- a/pubky/Cargo.toml
+++ b/pubky/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pubky"
-version = "0.4.2"
+version = "0.4.2-rc.1"
 edition = "2021"
 description = "Pubky core client"
 license = "MIT"
diff --git a/pubky/pkg/package.json b/pubky/pkg/package.json
index 9aa514d..37ac2b0 100644
--- a/pubky/pkg/package.json
+++ b/pubky/pkg/package.json
@@ -2,7 +2,7 @@
   "name": "@synonymdev/pubky",
   "type": "module",
   "description": "Pubky client",
-  "version": "0.4.2.rc1",
+  "version": "0.4.2-rc1",
   "license": "MIT",
   "repository": {
     "type": "git",