diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3e59653e64..03fd5d7758 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -57,7 +57,7 @@ jobs:
         run: cargo nextest run -p rustc_codegen_spirv --release --no-default-features --features "use-installed-tools"
 
       - name: workspace test (excluding examples)
-        run: cargo nextest run --release --workspace --exclude "example-runner-*" --exclude "cargo-gpu*" --no-default-features --features "use-installed-tools,clap"
+        run: cargo nextest run --release --workspace --exclude "example-runner-*" --exclude "cargo-gpu*" --no-default-features --features "use-installed-tools,clap,bytemuck"
 
       # Examples
       - name: cargo check examples
diff --git a/Cargo.lock b/Cargo.lock
index 34374a3439..36721c7d59 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -257,6 +257,7 @@ version = "2.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b588b76d00fde79687d7646a9b5bdf3cc0f655e0bbd080335a95d7e96f3587da"
 dependencies = [
+ "bytemuck",
  "serde_core",
 ]
 
diff --git a/crates/spirv-std/Cargo.toml b/crates/spirv-std/Cargo.toml
index a06f9c2178..1a8e3785db 100644
--- a/crates/spirv-std/Cargo.toml
+++ b/crates/spirv-std/Cargo.toml
@@ -37,7 +37,7 @@ glam_0_30 = { package = "glam", version = "0.30.8", optional = true, default-fea
 
 [features]
 default = ["glam_0_33"]
-bytemuck = ["dep:bytemuck", "glam_0_30?/bytemuck", "glam_0_31?/bytemuck", "glam_0_32?/bytemuck", "glam_0_33?/bytemuck"]
+bytemuck = ["dep:bytemuck", "bitflags/bytemuck", "glam_0_30?/bytemuck", "glam_0_31?/bytemuck", "glam_0_32?/bytemuck", "glam_0_33?/bytemuck"]
 glam_0_33 = ["dep:glam_0_33"]
 glam_0_32 = ["dep:glam_0_32"]
 glam_0_31 = ["dep:glam_0_31"]
diff --git a/crates/spirv-std/src/memory.rs b/crates/spirv-std/src/memory.rs
index 8710482d15..e9fbc4c581 100644
--- a/crates/spirv-std/src/memory.rs
+++ b/crates/spirv-std/src/memory.rs
@@ -30,6 +30,7 @@ bitflags::bitflags! {
     /// Memory semantics to determine how some operations should function - used when calling such
     /// configurable operations.
     #[repr(transparent)]
+    #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)]
     #[cfg_attr(feature = "bytemuck", derive(bytemuck::Zeroable, bytemuck::Pod))]
     pub struct Semantics: u32 {
         /// No memory semantics.
@@ -100,3 +101,14 @@ bitflags::bitflags! {
         const VOLATILE = 0x8000;
     }
 }
+
+#[cfg(all(test, feature = "bytemuck"))]
+mod test_bytemuck {
+    fn is_pod<T: bytemuck::Pod>() {}
+
+    #[test]
+    fn test() {
+        is_pod::<crate::memory::Semantics>();
+        is_pod::<crate::ray_tracing::RayFlags>();
+    }
+}
diff --git a/crates/spirv-std/src/ray_tracing.rs b/crates/spirv-std/src/ray_tracing.rs
index 8f7f6b6c30..7321fc5f45 100644
--- a/crates/spirv-std/src/ray_tracing.rs
+++ b/crates/spirv-std/src/ray_tracing.rs
@@ -149,6 +149,7 @@ bitflags::bitflags! {
     /// `CULL_BACK_FACING_TRIANGLES` and `CULL_FRONT_FACING_TRIANGLES` may
     /// be set.
     #[repr(transparent)]
+    #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)]
     #[cfg_attr(feature = "bytemuck", derive(bytemuck::Zeroable, bytemuck::Pod))]
     pub struct RayFlags: u32 {
         /// No flags specified.