diff --git a/Cargo.lock b/Cargo.lock
index ce8ca9d..2ee7f75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 905e19e..49c429c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "bdwgc-alloc"
 description = "impl GlobalAlloc for bdwgc"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["swgillespie <sean.william.g@gmail.com>", "Yota Toyama <raviqqe@gmail.com>"]
 repository = "https://github.com/raviqqe/bdwgc-alloc"
 edition = "2018"
diff --git a/examples/coroutines/Cargo.lock b/examples/coroutines/Cargo.lock
index fd89803..defa638 100644
--- a/examples/coroutines/Cargo.lock
+++ b/examples/coroutines/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -52,7 +52,7 @@ dependencies = [
 name = "coroutines"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
  "coroutine 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
diff --git a/examples/dynamic_threads/Cargo.lock b/examples/dynamic_threads/Cargo.lock
index 0fdc815..9acd83d 100644
--- a/examples/dynamic_threads/Cargo.lock
+++ b/examples/dynamic_threads/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -25,7 +25,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "dynamic_threads"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
 ]
 
 [[package]]
diff --git a/examples/free_by_borrow/Cargo.lock b/examples/free_by_borrow/Cargo.lock
index 8036271..c871315 100644
--- a/examples/free_by_borrow/Cargo.lock
+++ b/examples/free_by_borrow/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -25,7 +25,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "free_by_borrow"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
 ]
 
 [[package]]
diff --git a/examples/free_by_gc/Cargo.lock b/examples/free_by_gc/Cargo.lock
index f60580f..cfcd108 100644
--- a/examples/free_by_gc/Cargo.lock
+++ b/examples/free_by_gc/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -25,7 +25,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "free_by_gc"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
 ]
 
 [[package]]
diff --git a/examples/static_threads/Cargo.lock b/examples/static_threads/Cargo.lock
index 0acea6a..a252a23 100644
--- a/examples/static_threads/Cargo.lock
+++ b/examples/static_threads/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -30,7 +30,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "static_threads"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
 ]
 
 [metadata]
diff --git a/examples/suspended_coroutines/Cargo.lock b/examples/suspended_coroutines/Cargo.lock
index 6d34671..4dcdfc9 100644
--- a/examples/suspended_coroutines/Cargo.lock
+++ b/examples/suspended_coroutines/Cargo.lock
@@ -10,7 +10,7 @@ dependencies = [
 
 [[package]]
 name = "bdwgc-alloc"
-version = "0.3.0"
+version = "0.4.1"
 dependencies = [
  "autotools 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -87,7 +87,7 @@ dependencies = [
 name = "suspended_coroutines"
 version = "0.1.0"
 dependencies = [
- "bdwgc-alloc 0.3.0",
+ "bdwgc-alloc 0.4.1",
  "coroutine 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]