diff --git a/Cargo.lock b/Cargo.lock
index 8bb1a9c..ccbba2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1380,7 +1380,7 @@ dependencies = [
 
 [[package]]
 name = "tinybus"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "async-trait",
  "flate2",
@@ -1401,7 +1401,7 @@ dependencies = [
 
 [[package]]
 name = "tinybus-macros"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1410,7 +1410,7 @@ dependencies = [
 
 [[package]]
 name = "tinybus-module"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "async-trait",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index ba32681..a9a8950 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,13 +37,13 @@ categories = ["development-tools", "virtualization"]
 [workspace.dependencies]
 # TinyBus defines the message types, interface macro, and frozen module ABI used
 # by the bus adapter. Socket and CLI features are unnecessary here.
-tinybus = { version = "=0.1.4", default-features = false, features = [
+tinybus = { version = ">=0.1.3, <0.2", default-features = false, features = [
     "macros",
     "modules",
 ] }
 # The module-side SDK owns the isolated runtime and exports the ABI entrypoints
 # required by TinyBus's dynamic loader.
-tinybus-module = "=0.1.4"
+tinybus-module = ">=0.1.3, <0.2"
 
 # Derive macros for the crate-wide error type in `tinybox-core`.
 thiserror = "2"
diff --git a/vendor/tinybus b/vendor/tinybus
index 1f25576..eb5cf72 160000
--- a/vendor/tinybus
+++ b/vendor/tinybus
@@ -1 +1 @@
-Subproject commit 1f2557657db97470cd4efb7e1fc2f374f36fdd22
+Subproject commit eb5cf727071a6eb12f9efa3db8ec59e54039f336