diff --git a/Cargo.lock b/Cargo.lock
index a3aad805..9566efb7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2440,7 +2440,7 @@ dependencies = [
  "serde_json",
  "vst3-sys",
  "widestring",
- "windows 0.32.0",
+ "windows 0.44.0",
  "zstd",
 ]
 
@@ -4575,19 +4575,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "windows"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbedf6db9096bc2364adce0ae0aa636dcd89f3c3f2cd67947062aaf0ca2a10ec"
-dependencies = [
- "windows_aarch64_msvc 0.32.0",
- "windows_i686_gnu 0.32.0",
- "windows_i686_msvc 0.32.0",
- "windows_x86_64_gnu 0.32.0",
- "windows_x86_64_msvc 0.32.0",
-]
-
 [[package]]
 name = "windows"
 version = "0.37.0"
@@ -4670,12 +4657,6 @@ version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8e92753b1c443191654ec532f14c199742964a061be25d77d7a96f09db20bf5"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.37.0"
@@ -4688,12 +4669,6 @@ version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a711c68811799e017b6038e0922cb27a5e2f43a2ddb609fe0b6f3eeda9de615"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.37.0"
@@ -4706,12 +4681,6 @@ version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "146c11bb1a02615db74680b32a68e2d61f553cc24c4eb5b4ca10311740e44172"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.37.0"
@@ -4724,12 +4693,6 @@ version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c912b12f7454c6620635bbff3450962753834be2a594819bd5e945af18ec64bc"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.37.0"
@@ -4748,12 +4711,6 @@ version = "0.42.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.32.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.37.0"
diff --git a/Cargo.toml b/Cargo.toml
index fd44c13e..cbe09a3f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -125,7 +125,7 @@ objc = "0.2.7"
 core-foundation = "0.9.3"
 
 [target.'cfg(target_os = "windows")'.dependencies.windows]
-version = "0.32"
+version = "0.44"
 features = [
   "Win32_Foundation",
   "Win32_Graphics_Gdi",
diff --git a/src/event_loop/windows.rs b/src/event_loop/windows.rs
index 7b1e8d66..61e0d4dd 100644
--- a/src/event_loop/windows.rs
+++ b/src/event_loop/windows.rs
@@ -7,7 +7,8 @@ use std::mem;
 use std::ptr;
 use std::sync::Weak;
 use std::thread::{self, ThreadId};
-use windows::Win32::Foundation::{HINSTANCE, HWND, LPARAM, LRESULT, PSTR, WPARAM};
+use windows::core::PCSTR;
+use windows::Win32::Foundation::{HINSTANCE, HWND, LPARAM, LRESULT, WPARAM};
 use windows::Win32::System::{
     LibraryLoader::GetModuleHandleA, Performance::QueryPerformanceCounter,
 };
@@ -72,12 +73,13 @@ where
         assert!(unsafe { QueryPerformanceCounter(&mut ticks).as_bool() });
         let class_name = CString::new(format!("nih-event-loop-{ticks}"))
             .expect("Where did these null bytes come from?");
-        let class_name_ptr = PSTR(class_name.as_bytes_with_nul().as_ptr());
+        let class_name_ptr = PCSTR(class_name.as_bytes_with_nul().as_ptr());
 
         let class = WNDCLASSEXA {
             cbSize: mem::size_of::<WNDCLASSEXA>() as u32,
             lpfnWndProc: Some(window_proc),
-            hInstance: unsafe { GetModuleHandleA(PSTR(ptr::null())) },
+            hInstance: unsafe { GetModuleHandleA(PCSTR(ptr::null())) }
+                .expect("Could not get the current module's handle"),
             lpszClassName: class_name_ptr,
             ..Default::default()
         };
@@ -107,7 +109,7 @@ where
             CreateWindowExA(
                 WINDOW_EX_STYLE(0),
                 class_name_ptr,
-                PSTR(b"NIH-plug event loop\0".as_ptr()),
+                PCSTR(b"NIH-plug event loop\0".as_ptr()),
                 WINDOW_STYLE(0),
                 0,
                 0,
@@ -119,10 +121,10 @@ where
                 // NOTE: We're boxing a box here. As mentioned in [PollCallback], we can't directly
                 //       pass around fat pointers, so we need a normal pointer to a fat pointer to
                 //       be able to call this and deallocate it later
-                Box::into_raw(Box::new(callback)) as *const c_void,
+                Some(Box::into_raw(Box::new(callback)) as *const c_void),
             )
         };
-        assert!(!window.is_invalid());
+        assert_ne!(!window.0, 0);
 
         Self {
             executor: executor.clone(),
@@ -174,7 +176,7 @@ impl<T, E> Drop for WindowsEventLoop<T, E> {
         unsafe { DestroyWindow(self.message_window) };
         unsafe {
             UnregisterClassA(
-                PSTR(self.message_window_class_name.as_bytes_with_nul().as_ptr()),
+                PCSTR(self.message_window_class_name.as_bytes_with_nul().as_ptr()),
                 HINSTANCE(0),
             )
         };