diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b8cd2937..420a3f8f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.69.0
+      - uses: dtolnay/rust-toolchain@1.75.0
       - name: Check ash, ash-window and ash-rewrite
         run: cargo check -p ash -p ash-rewrite -p ash-window --all-features
       - name: Check ash with no_std
diff --git a/ash-rewrite/Cargo.toml b/ash-rewrite/Cargo.toml
index 77cdc05e4..852659e7a 100644
--- a/ash-rewrite/Cargo.toml
+++ b/ash-rewrite/Cargo.toml
@@ -18,7 +18,7 @@ categories = [
 documentation = "https://docs.rs/ash"
 edition = "2021"
 # TODO: reevaluate, then update in ci.yml
-rust-version = "1.69.0"
+rust-version = "1.75.0"
 
 [dependencies]
 libloading = { version = "0.8", optional = true }
diff --git a/ash-window/Cargo.toml b/ash-window/Cargo.toml
index fc04e14a1..d57733d67 100644
--- a/ash-window/Cargo.toml
+++ b/ash-window/Cargo.toml
@@ -16,7 +16,7 @@ categories = [
     "rendering::graphics-api"
 ]
 edition = "2021"
-rust-version = "1.69.0"
+rust-version = "1.75.0"
 
 [dependencies]
 ash = { path = "../ash", version = "0.38", default-features = false, features = ["std"] }
diff --git a/ash/Cargo.toml b/ash/Cargo.toml
index f0400b0a7..73e018662 100644
--- a/ash/Cargo.toml
+++ b/ash/Cargo.toml
@@ -19,7 +19,7 @@ categories = [
     "rendering::graphics-api"
 ]
 edition = "2021"
-rust-version = "1.69.0"
+rust-version = "1.75.0"
 
 [dependencies]
 libloading = { version = "0.8", optional = true }
diff --git a/ash/src/util.rs b/ash/src/util.rs
index 30f8b7ffc..b84f40674 100644
--- a/ash/src/util.rs
+++ b/ash/src/util.rs
@@ -185,8 +185,8 @@ pub trait NextChainExt<'a>: TaggedStructure<'a> {
         self
     }
     /// Returns a mutable iterator over the entire extension chain attached to `Self`
-    fn iter_next_chain_mut(&'a mut self) -> impl Iterator<Item = &'a mut TaggedObject<'a>> + 'a {
-        (0..).scan(self.as_base_mut().p_next, |p_ptr, _| unsafe {
+    fn iter_next_chain_mut(&mut self) -> impl Iterator<Item = &'a mut TaggedObject<'a>> {
+        (0..).scan(self.as_base_mut().p_next, move |p_ptr, _| unsafe {
             if p_ptr.is_null() {
                 return None;
             }
@@ -197,7 +197,7 @@ pub trait NextChainExt<'a>: TaggedStructure<'a> {
         })
     }
     /// Returns an iterator over the entire extension chain attached to `Self`
-    fn iter_next_chain(&'a self) -> impl Iterator<Item = &'a TaggedObject<'a>> + 'a {
+    fn iter_next_chain(&self) -> impl Iterator<Item = &'a TaggedObject<'a>> {
         (0..).scan(self.as_base().p_next, |p_ptr, _| unsafe {
             if p_ptr.is_null() {
                 return None;
@@ -319,6 +319,22 @@ impl<'a> TaggedObject<'a> {
     pub fn from_mut<T: TaggedStructure<'a> + ?Sized>(obj: &mut T) -> &mut Self {
         unsafe { &mut *(<*mut T>::cast(obj)) }
     }
+    pub fn next(&self) -> Option<&Self> {
+        unsafe {
+            if self.as_base().p_next.is_null() {
+                return None;
+            }
+            Some(TaggedObject::from_raw(self.as_base().p_next))
+        }
+    }
+    pub fn next_mut(&mut self) -> Option<&mut Self> {
+        unsafe {
+            if self.as_base().p_next.is_null() {
+                return None;
+            }
+            Some(TaggedObject::from_raw_mut(self.as_base_mut().p_next))
+        }
+    }
     pub fn tag(&self) -> vk::StructureType {
         self.as_base().s_type
     }
diff --git a/ash/src/vk/prelude.rs b/ash/src/vk/prelude.rs
index a3739ba15..e60f02495 100644
--- a/ash/src/vk/prelude.rs
+++ b/ash/src/vk/prelude.rs
@@ -57,16 +57,19 @@ impl From<vk::Extent2D> for vk::Rect2D {
     }
 }
 
+/// Marker trait for tagged vulkan structures.
+///
 /// Structures implementing this trait are layout-compatible with [`vk::BaseInStructure`] and
-/// [`vk::BaseOutStructure`]. Such structures have an `s_type` field indicating its type, which
-/// must always match the value of [`TaggedStructure::STRUCTURE_TYPE`].
+/// [`vk::BaseOutStructure`]. Types implementing this trait have an `s_type` field indicating
+/// its type, which must always match the value of [`TaggedStructure::STRUCTURE_TYPE`], unless
+/// it is a [`crate::util::TaggedObject`].
 pub unsafe trait TaggedStructure<'a> {
     const STRUCTURE_TYPE: vk::StructureType;
     fn as_base_mut(&mut self) -> &mut vk::BaseOutStructure<'a> {
-        unsafe { &mut *(<*mut Self>::cast(self) as *mut vk::BaseOutStructure<'a>) }
+        unsafe { &mut *(<*mut Self>::cast(self)) }
     }
     fn as_base(&self) -> &vk::BaseInStructure<'a> {
-        unsafe { &*(<*const Self>::cast(self) as *const vk::BaseInStructure<'a>) }
+        unsafe { &*(<*const Self>::cast(self)) }
     }
 }