diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 41f9e18..2c7a782 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -44,11 +44,22 @@ jobs:
     - run: cargo test --features debug
     - run: cargo test --features global
     - run: cargo test --release
+      env:
+        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
+    - run: cargo test --release
+      env:
+        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: false
     - run: cargo test --features debug --release
+      env:
+        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
     - run: RUSTFLAGS='--cfg test_lots' cargo test --release
       shell: bash
+      env:
+        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
     - run: RUSTFLAGS='--cfg test_lots' cargo test --release --features debug
       shell: bash
+      env:
+        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
 
   rustfmt:
     name: Rustfmt
diff --git a/Cargo.toml b/Cargo.toml
index 66abd58..5c5b3bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ compiler_builtins = { version = '0.1.0', optional = true }
 cfg-if = "1.0"
 
 [target.'cfg(target_os = "windows")'.dependencies.windows-sys]
-version = "0.52.0"
+version = ">=0.52.0, <=0.59.*"
 features = [
   "Win32_Foundation",
   "Win32_System_Memory",
diff --git a/build.rs b/build.rs
deleted file mode 100644
index 20aaa4f..0000000
--- a/build.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-fn main() {
-    #[cfg(feature = "debug")]
-    println!("cargo:rustc-cfg=debug_assertions");
-}