diff --git a/Cargo.toml b/Cargo.toml
index 549fa55623..b52a436dce 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -179,7 +179,7 @@ features = [
 unicode-segmentation = "1.7.1"
 
 [target.'cfg(target_os = "windows")'.dependencies.windows-sys]
-version = "0.48"
+version = "0.52.0"
 features = [
     "Win32_Devices_HumanInterfaceDevice",
     "Win32_Foundation",
diff --git a/src/platform_impl/windows/dpi.rs b/src/platform_impl/windows/dpi.rs
index c4ed08a6db..5db2e8ee87 100644
--- a/src/platform_impl/windows/dpi.rs
+++ b/src/platform_impl/windows/dpi.rs
@@ -105,7 +105,7 @@ pub unsafe fn hwnd_dpi(hwnd: HWND) -> u32 {
         if unsafe { IsProcessDPIAware() } != false.into() {
             // If the process is DPI aware, then scaling must be handled by the application using
             // this DPI value.
-            unsafe { GetDeviceCaps(hdc, LOGPIXELSX) as u32 }
+            unsafe { GetDeviceCaps(hdc, LOGPIXELSX as i32) as u32 }
         } else {
             // If the process is DPI unaware, then scaling is performed by the OS; we thus return
             // 96 (scale factor 1.0) to prevent the window from being re-scaled by both the
diff --git a/src/platform_impl/windows/drop_handler.rs b/src/platform_impl/windows/drop_handler.rs
index 6911c5b82c..ff56b98e36 100644
--- a/src/platform_impl/windows/drop_handler.rs
+++ b/src/platform_impl/windows/drop_handler.rs
@@ -187,7 +187,7 @@ impl FileDropHandler {
         let get_data_fn = unsafe { (*(*data_obj).cast::<IDataObjectVtbl>()).GetData };
         let get_data_result = unsafe { get_data_fn(data_obj as *mut _, &drop_format, &mut medium) };
         if get_data_result >= 0 {
-            let hdrop = unsafe { medium.Anonymous.hGlobal };
+            let hdrop = unsafe { medium.u.hGlobal as HDROP };
 
             // The second parameter (0xFFFFFFFF) instructs the function to return the item count
             let item_count = unsafe { DragQueryFileW(hdrop, 0xFFFFFFFF, ptr::null_mut(), 0) };
diff --git a/src/platform_impl/windows/icon.rs b/src/platform_impl/windows/icon.rs
index c885efab63..55a56a9f14 100644
--- a/src/platform_impl/windows/icon.rs
+++ b/src/platform_impl/windows/icon.rs
@@ -35,7 +35,7 @@ impl RgbaIcon {
         let pixels =
             unsafe { std::slice::from_raw_parts_mut(rgba.as_ptr() as *mut Pixel, pixel_count) };
         for pixel in pixels {
-            and_mask.push(pixel.a.wrapping_sub(std::u8::MAX)); // invert alpha channel
+            and_mask.push(pixel.a.wrapping_sub(u8::MAX)); // invert alpha channel
             pixel.convert_to_bgra();
         }
         assert_eq!(and_mask.len(), pixel_count);
diff --git a/src/platform_impl/windows/util.rs b/src/platform_impl/windows/util.rs
index ae36bdaec6..165242c11c 100644
--- a/src/platform_impl/windows/util.rs
+++ b/src/platform_impl/windows/util.rs
@@ -99,7 +99,7 @@ pub fn is_maximized(window: HWND) -> bool {
         let mut placement: WINDOWPLACEMENT = mem::zeroed();
         placement.length = mem::size_of::<WINDOWPLACEMENT>() as u32;
         GetWindowPlacement(window, &mut placement);
-        placement.showCmd == SW_MAXIMIZE
+        placement.showCmd == SW_MAXIMIZE as u32
     }
 }
 
diff --git a/src/platform_impl/windows/window.rs b/src/platform_impl/windows/window.rs
index 9c0001f55d..f0cbdf84b6 100644
--- a/src/platform_impl/windows/window.rs
+++ b/src/platform_impl/windows/window.rs
@@ -1030,7 +1030,7 @@ impl Window {
         unsafe {
             DwmSetWindowAttribute(
                 self.hwnd(),
-                DWMWA_SYSTEMBACKDROP_TYPE,
+                DWMWA_SYSTEMBACKDROP_TYPE as u32,
                 &(backdrop_type as i32) as *const _ as _,
                 mem::size_of::<DWM_SYSTEMBACKDROP_TYPE>() as _,
             );
@@ -1089,7 +1089,7 @@ impl Window {
         unsafe {
             DwmSetWindowAttribute(
                 self.hwnd(),
-                DWMWA_BORDER_COLOR,
+                DWMWA_BORDER_COLOR as u32,
                 &color as *const _ as _,
                 mem::size_of::<Color>() as _,
             );
@@ -1101,7 +1101,7 @@ impl Window {
         unsafe {
             DwmSetWindowAttribute(
                 self.hwnd(),
-                DWMWA_CAPTION_COLOR,
+                DWMWA_CAPTION_COLOR as u32,
                 &color as *const _ as _,
                 mem::size_of::<Color>() as _,
             );
@@ -1113,7 +1113,7 @@ impl Window {
         unsafe {
             DwmSetWindowAttribute(
                 self.hwnd(),
-                DWMWA_TEXT_COLOR,
+                DWMWA_TEXT_COLOR as u32,
                 &color as *const _ as _,
                 mem::size_of::<Color>() as _,
             );
@@ -1125,7 +1125,7 @@ impl Window {
         unsafe {
             DwmSetWindowAttribute(
                 self.hwnd(),
-                DWMWA_WINDOW_CORNER_PREFERENCE,
+                DWMWA_WINDOW_CORNER_PREFERENCE as u32,
                 &(preference as DWM_WINDOW_CORNER_PREFERENCE) as *const _ as _,
                 mem::size_of::<DWM_WINDOW_CORNER_PREFERENCE>() as _,
             );
@@ -1494,7 +1494,7 @@ impl Drop for ComInitialized {
 thread_local! {
     static COM_INITIALIZED: ComInitialized = {
         unsafe {
-            CoInitializeEx(ptr::null(), COINIT_APARTMENTTHREADED);
+            CoInitializeEx(ptr::null(), COINIT_APARTMENTTHREADED as u32);
             ComInitialized(ptr::null_mut())
         }
     };