diff --git a/Cargo.lock b/Cargo.lock
index f37ff690..1cf9a41f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -832,7 +832,7 @@ dependencies = [
 
 [[package]]
 name = "kem"
-version = "0.3.0-pre"
+version = "0.3.0-pre.0"
 dependencies = [
  "hpke",
  "p256 0.9.0",
diff --git a/kem/Cargo.toml b/kem/Cargo.toml
index d306ea4c..dce5587c 100644
--- a/kem/Cargo.toml
+++ b/kem/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "kem"
 description = "Traits for key encapsulation mechanisms"
-version = "0.3.0-pre"
+version = "0.3.0-pre.0"
 authors = ["RustCrypto Developers"]
 license = "Apache-2.0 OR MIT"
 documentation = "https://docs.rs/kem"