diff --git a/pallas-crypto/Cargo.toml b/pallas-crypto/Cargo.toml
index c446c6a..6a14934 100644
--- a/pallas-crypto/Cargo.toml
+++ b/pallas-crypto/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pallas-crypto"
 description = "Cryptographic primitives for Cardano"
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 edition = "2021"
 repository = "https://github.com/txpipe/pallas"
 homepage = "https://github.com/txpipe/pallas"
diff --git a/pallas-miniprotocols/Cargo.toml b/pallas-miniprotocols/Cargo.toml
index 73e2369..134a709 100644
--- a/pallas-miniprotocols/Cargo.toml
+++ b/pallas-miniprotocols/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pallas-miniprotocols"
 description = "Implementation of the Ouroboros network mini-protocols state-machines"
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 edition = "2021"
 repository = "https://github.com/txpipe/pallas"
 homepage = "https://github.com/txpipe/pallas"
diff --git a/pallas-multiplexer/Cargo.toml b/pallas-multiplexer/Cargo.toml
index 1412529..fe6faa6 100644
--- a/pallas-multiplexer/Cargo.toml
+++ b/pallas-multiplexer/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pallas-multiplexer"
 description = "Multithreaded Ouroboros multiplexer implementation using mpsc channels"
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 edition = "2021"
 repository = "https://github.com/txpipe/pallas"
 homepage = "https://github.com/txpipe/pallas"
diff --git a/pallas-primitives/Cargo.toml b/pallas-primitives/Cargo.toml
index 8157e13..56a0580 100644
--- a/pallas-primitives/Cargo.toml
+++ b/pallas-primitives/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pallas-primitives"
 description = "Ledger primitives and cbor codec for the different Cardano eras"
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 edition = "2021"
 repository = "https://github.com/txpipe/pallas"
 homepage = "https://github.com/txpipe/pallas"
diff --git a/pallas/Cargo.toml b/pallas/Cargo.toml
index d217d3c..8c2462a 100644
--- a/pallas/Cargo.toml
+++ b/pallas/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pallas"
 description = "Rust-native building blocks for the Cardano blockchain ecosystem."
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 edition = "2021"
 repository = "https://github.com/txpipe/pallas"
 homepage = "https://github.com/txpipe/pallas"