diff --git a/Cargo.lock b/Cargo.lock
index 70fe0a9..09520b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1641,7 +1641,7 @@ dependencies = [
 
 [[package]]
 name = "irpc"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "derive_more 2.0.1",
@@ -1667,7 +1667,7 @@ dependencies = [
 
 [[package]]
 name = "irpc-derive"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1676,7 +1676,7 @@ dependencies = [
 
 [[package]]
 name = "irpc-iroh"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "getrandom 0.3.2",
diff --git a/Cargo.toml b/Cargo.toml
index 09c5076..392ed6d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "irpc"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 authors = ["Rüdiger Klaehn <rklaehn@protonmail.com>", "n0 team"]
 keywords = ["api", "protocol", "network", "rpc"]
@@ -42,7 +42,7 @@ futures-buffered ={ version = "0.2.9", optional = true }
 n0-future = { workspace = true }
 futures-util = { workspace = true, optional = true }
 # for the derive reexport/feature
-irpc-derive = { version = "0.3.0", path = "./irpc-derive", optional = true }
+irpc-derive = { version = "0.4.0", path = "./irpc-derive", optional = true }
 
 [target.'cfg(not(all(target_family = "wasm", target_os = "unknown")))'.dependencies]
 quinn = { workspace = true, optional = true, features = ["runtime-tokio"] }
diff --git a/irpc-derive/Cargo.toml b/irpc-derive/Cargo.toml
index f58e04c..10ba327 100644
--- a/irpc-derive/Cargo.toml
+++ b/irpc-derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "irpc-derive"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 authors = ["Rüdiger Klaehn <rklaehn@protonmail.com>"]
 keywords = ["api", "protocol", "network", "rpc", "macro"]
diff --git a/irpc-iroh/Cargo.toml b/irpc-iroh/Cargo.toml
index 76644be..2850bce 100644
--- a/irpc-iroh/Cargo.toml
+++ b/irpc-iroh/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "irpc-iroh"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 authors = ["Rüdiger Klaehn <rklaehn@protonmail.com>", "n0 team"]
 keywords = ["api", "protocol", "network", "rpc"]
@@ -17,7 +17,7 @@ tracing = { workspace = true }
 serde = { workspace = true }
 postcard = { workspace = true, features = ["alloc", "use-std"] }
 n0-future = { workspace = true }
-irpc = { version = "0.3.0", path = ".." }
+irpc = { version = "0.4.0", path = ".." }
 
 [target.'cfg(all(target_family = "wasm", target_os = "unknown"))'.dependencies]
 getrandom = { version = "0.3", features = ["wasm_js"] }
@@ -25,4 +25,4 @@ getrandom = { version = "0.3", features = ["wasm_js"] }
 [dev-dependencies]
 n0-future = { workspace = true }
 tracing-subscriber = { workspace = true, features = ["fmt"] }
-irpc-derive = { version = "0.3.0", path = "../irpc-derive" }
+irpc-derive = { version = "0.4.0", path = "../irpc-derive" }