diff --git a/Cargo.lock b/Cargo.lock
index b42735f..3d67e6f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,10 +1,10 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "ascon"
-version = "0.5.0-pre"
+version = "0.5.0-rc.0"
 dependencies = [
  "zeroize",
 ]
@@ -20,7 +20,7 @@ dependencies = [
 
 [[package]]
 name = "keccak"
-version = "0.2.0-pre.0"
+version = "0.2.0-rc.0"
 dependencies = [
  "cpufeatures",
 ]
diff --git a/ascon/Cargo.toml b/ascon/Cargo.toml
index 7d6dba9..66643a3 100644
--- a/ascon/Cargo.toml
+++ b/ascon/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ascon"
-version = "0.5.0-pre"
+version = "0.5.0-rc.0"
 description = "Pure Rust implementation of the Ascon permutation"
 authors = [
     "Sebastian Ramacher <sebastian.ramacher@ait.ac.at>",
@@ -17,7 +17,7 @@ edition = "2024"
 rust-version = "1.85"
 
 [dependencies]
-zeroize = { version = "1.6.0", default-features = false, optional = true }
+zeroize = { version = "1.6", default-features = false, optional = true }
 
 [features]
 no_unroll = [] # Do not unroll loops for binary size reduction
diff --git a/keccak/Cargo.toml b/keccak/Cargo.toml
index 13c8d9d..1f74529 100644
--- a/keccak/Cargo.toml
+++ b/keccak/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "keccak"
-version = "0.2.0-pre.0"
+version = "0.2.0-rc.0"
 description = """
 Pure Rust implementation of the Keccak sponge function including the keccak-f
 and keccak-p variants