diff --git a/Cargo.toml b/Cargo.toml
index 5669243..12427f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@
 #
 [package]
 name = "zenoh-python"
-version = "1.0.0-dev"
+version = "1.0.0-rc.1"
 authors = [
   "kydos <angelo@icorsaro.net>",
   "Julien Enoch <julien@enoch.fr>",
diff --git a/pyproject.toml b/pyproject.toml
index 3f396cc..0f87aec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ build-backend = "maturin"
 
 [project]
 name = "eclipse-zenoh"
-version = "1.0.0-dev"
+version = "1.0.0-rc.1"
 description = "The python API for Eclipse zenoh"
 requires-python = ">=3.8"
 authors = [