diff --git a/NOTES b/NOTES
index 78c3533..a8cad04 100644
--- a/NOTES
+++ b/NOTES
@@ -93,7 +93,7 @@ make sqlite3_wasm_extra_init.c=../../../../target/wasm32-unknown-emscripten/debu
 ```
 
 ```rs
-#[no_mangle]
+#[unsafe(no_mangle)]
 /// in hello.rs
 
 
diff --git a/examples/hello.rs b/examples/hello.rs
index 0afd7dd..98af7f2 100644
--- a/examples/hello.rs
+++ b/examples/hello.rs
@@ -28,7 +28,7 @@ pub fn sqlite3_hello_init(db: *mut sqlite3) -> Result<()> {
 }
 
 #[cfg(target_os = "emscripten")]
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn sqlite3_wasm_extra_init(_unused: *const std::ffi::c_char) -> std::ffi::c_int {
     use sqlite_loadable::SQLITE_OKAY;
     unsafe {
diff --git a/examples/stress.rs b/examples/stress.rs
index c9026c1..187d5e0 100644
--- a/examples/stress.rs
+++ b/examples/stress.rs
@@ -28,7 +28,7 @@ pub fn sqlite3_stress_init(db: *mut sqlite3) -> Result<()> {
 }
 
 #[cfg(target_os = "emscripten")]
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn sqlite3_wasm_extra_init(_unused: *const std::ffi::c_char) -> std::ffi::c_int {
     use sqlite_loadable::SQLITE_OKAY;
     unsafe {
diff --git a/sqlite-loadable-macros/src/lib.rs b/sqlite-loadable-macros/src/lib.rs
index b2c02a4..7825ff6 100644
--- a/sqlite-loadable-macros/src/lib.rs
+++ b/sqlite-loadable-macros/src/lib.rs
@@ -28,7 +28,7 @@ pub fn sqlite_entrypoint(_attr: TokenStream, item: TokenStream) -> TokenStream {
                 ///
                 /// Should only be called by underlying SQLite C APIs,
                 /// like sqlite3_auto_extension and sqlite3_cancel_auto_extension.
-                #[no_mangle]
+                #[unsafe(no_mangle)]
                 pub unsafe extern "C" fn #c_entrypoint(
                     db: *mut sqlite3,
                     pz_err_msg: *mut *mut c_char,
@@ -68,7 +68,7 @@ pub fn sqlite_entrypoint_permanent(_attr: TokenStream, item: TokenStream) -> Tok
                 ///
                 /// Should only be called by underlying SQLite C APIs,
                 /// like sqlite3_auto_extension and sqlite3_cancel_auto_extension.
-                #[no_mangle]
+                #[unsafe(no_mangle)]
                 pub unsafe extern "C" fn #c_entrypoint(
                     db: *mut sqlite3,
                     pz_err_msg: *mut *mut c_char,