diff --git a/FRIDA_VERSION b/FRIDA_VERSION
index 89d04624..1dd56bff 100644
--- a/FRIDA_VERSION
+++ b/FRIDA_VERSION
@@ -1 +1 @@
-16.2.5
+16.3.3
diff --git a/examples/gum/fast_interceptor/src/main.rs b/examples/gum/fast_interceptor/src/main.rs
index 6e4fc4e5..7c0ee77e 100644
--- a/examples/gum/fast_interceptor/src/main.rs
+++ b/examples/gum/fast_interceptor/src/main.rs
@@ -76,7 +76,10 @@ fn replace_normal() {
     let test_func_ptr = test_func as *mut c_void;
     let test_detour_ptr = test_detour as *mut c_void;
     unsafe {
-        *ORIGINAL_TEST.lock().unwrap().get_mut() = Some(std::mem::transmute(
+        *ORIGINAL_TEST.lock().unwrap().get_mut() = Some(std::mem::transmute::<
+            *mut libc::c_void,
+            extern "C" fn(*const i8) -> u32,
+        >(
             interceptor
                 .replace(
                     NativePointer(test_func_ptr),
@@ -94,7 +97,10 @@ fn replace_fast() {
     let test_func_ptr = test_func as *mut c_void;
     let test_detour_ptr = test_detour as *mut c_void;
     unsafe {
-        *ORIGINAL_TEST.lock().unwrap().get_mut() = Some(std::mem::transmute(
+        *ORIGINAL_TEST.lock().unwrap().get_mut() = Some(std::mem::transmute::<
+            *mut libc::c_void,
+            extern "C" fn(*const i8) -> u32,
+        >(
             interceptor
                 .replace_fast(NativePointer(test_func_ptr), NativePointer(test_detour_ptr))
                 .unwrap()
diff --git a/examples/gum/hook_open/src/lib.rs b/examples/gum/hook_open/src/lib.rs
index a85417e9..d4d00cfd 100644
--- a/examples/gum/hook_open/src/lib.rs
+++ b/examples/gum/hook_open/src/lib.rs
@@ -32,7 +32,10 @@ fn init() {
     let mut interceptor = Interceptor::obtain(&GUM);
     let open = Module::find_export_by_name(None, "open").unwrap();
     unsafe {
-        *ORIGINAL_OPEN.lock().unwrap().get_mut() = Some(std::mem::transmute(
+        *ORIGINAL_OPEN.lock().unwrap().get_mut() = Some(std::mem::transmute::<
+            *mut libc::c_void,
+            unsafe extern "C" fn(*const i8, i32) -> i32,
+        >(
             interceptor
                 .replace(
                     open,
diff --git a/frida-gum-sys/FRIDA_VERSION b/frida-gum-sys/FRIDA_VERSION
index 89d04624..1dd56bff 100644
--- a/frida-gum-sys/FRIDA_VERSION
+++ b/frida-gum-sys/FRIDA_VERSION
@@ -1 +1 @@
-16.2.5
+16.3.3
diff --git a/frida-sys/FRIDA_VERSION b/frida-sys/FRIDA_VERSION
index 89d04624..1dd56bff 100644
--- a/frida-sys/FRIDA_VERSION
+++ b/frida-sys/FRIDA_VERSION
@@ -1 +1 @@
-16.2.5
+16.3.3
diff --git a/frida/src/script.rs b/frida/src/script.rs
index 8eaa679f..33d2affe 100644
--- a/frida/src/script.rs
+++ b/frida/src/script.rs
@@ -90,7 +90,10 @@ impl<'a> Script<'a> {
     pub fn handle_message<I: ScriptHandler>(&self, handler: &mut I) -> Result<()> {
         let message = CString::new("message").map_err(|_| Error::CStringFailed)?;
         unsafe {
-            let callback = Some(std::mem::transmute(call_on_message::<I> as *mut c_void));
+            let callback = Some(std::mem::transmute::<
+                *mut std::ffi::c_void,
+                unsafe extern "C" fn(),
+            >(call_on_message::<I> as *mut c_void));
 
             frida_sys::g_signal_connect_data(
                 self.script_ptr as _,