diff --git a/Cargo.toml b/Cargo.toml
index 72b36acf..2ad01f9f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.0"
 
 [dependencies]
 bit_field = "0.7.0"
-bitflags = "0.7.0"
+bitflags = "0.9.1"
 multiboot2 = "0.1.0"
 once = "0.3.2"
 rlibc = "1.0"
diff --git a/blog/content/extra/naked-exceptions/02-better-exception-messages/index.md b/blog/content/extra/naked-exceptions/02-better-exception-messages/index.md
index 8df26af4..404d4bce 100644
--- a/blog/content/extra/naked-exceptions/02-better-exception-messages/index.md
+++ b/blog/content/extra/naked-exceptions/02-better-exception-messages/index.md
@@ -614,12 +614,12 @@ We get the following output:
 // in src/interrupts/mod.rs
 
 bitflags! {
-    flags PageFaultErrorCode: u64 {
-        const PROTECTION_VIOLATION = 1 << 0,
-        const CAUSED_BY_WRITE = 1 << 1,
-        const USER_MODE = 1 << 2,
-        const MALFORMED_TABLE = 1 << 3,
-        const INSTRUCTION_FETCH = 1 << 4,
+    struct PageFaultErrorCode: u64 {
+        const PROTECTION_VIOLATION = 1 << 0;
+        const CAUSED_BY_WRITE = 1 << 1;
+        const USER_MODE = 1 << 2;
+        const MALFORMED_TABLE = 1 << 3;
+        const INSTRUCTION_FETCH = 1 << 4;
     }
 }
 ```
diff --git a/blog/content/extra/naked-exceptions/03-returning-from-exceptions/index.md b/blog/content/extra/naked-exceptions/03-returning-from-exceptions/index.md
index 79d9eee7..e31509ee 100644
--- a/blog/content/extra/naked-exceptions/03-returning-from-exceptions/index.md
+++ b/blog/content/extra/naked-exceptions/03-returning-from-exceptions/index.md
@@ -633,7 +633,7 @@ Let's try `make run` again:
    Compiling spin v0.4.5
    Compiling once v0.3.2
    Compiling x86 v0.8.0
-   Compiling bitflags v0.7.0
+   Compiling bitflags v0.9.1
    Compiling raw-cpuid v2.0.1
    Compiling rlibc v0.1.5
    Compiling linked_list_allocator v0.2.3
diff --git a/blog/content/posts/06-page-tables/index.md b/blog/content/posts/06-page-tables/index.md
index 7cba5095..8c2e8187 100644
--- a/blog/content/posts/06-page-tables/index.md
+++ b/blog/content/posts/06-page-tables/index.md
@@ -97,7 +97,7 @@ To model the various flags, we will use the [bitflags] crate. To add it as a dep
 ```toml
 [dependencies]
 ...
-bitflags = "0.7.0"
+bitflags = "0.9.1"
 ```
 
 To import the macro, we need to use `#[macro_use]` above the `extern crate` definition:
@@ -112,23 +112,23 @@ Now we can model the various flags:
 
 ```rust
 bitflags! {
-    pub flags EntryFlags: u64 {
-        const PRESENT =         1 << 0,
-        const WRITABLE =        1 << 1,
-        const USER_ACCESSIBLE = 1 << 2,
-        const WRITE_THROUGH =   1 << 3,
-        const NO_CACHE =        1 << 4,
-        const ACCESSED =        1 << 5,
-        const DIRTY =           1 << 6,
-        const HUGE_PAGE =       1 << 7,
-        const GLOBAL =          1 << 8,
-        const NO_EXECUTE =      1 << 63,
+    pub struct EntryFlags: u64 {
+        const PRESENT =         1 << 0;
+        const WRITABLE =        1 << 1;
+        const USER_ACCESSIBLE = 1 << 2;
+        const WRITE_THROUGH =   1 << 3;
+        const NO_CACHE =        1 << 4;
+        const ACCESSED =        1 << 5;
+        const DIRTY =           1 << 6;
+        const HUGE_PAGE =       1 << 7;
+        const GLOBAL =          1 << 8;
+        const NO_EXECUTE =      1 << 63;
     }
 }
 ```
 To extract the flags from the entry we create an `Entry::flags` method that uses [from_bits_truncate]:
 
-[from_bits_truncate]: https://doc.rust-lang.org/bitflags/bitflags/macro.bitflags!.html#methods
+[from_bits_truncate]: https://doc.rust-lang.org/bitflags/bitflags/index.html#methods-1
 
 ```rust
 pub fn flags(&self) -> EntryFlags {
diff --git a/blog/content/posts/10-double-faults/index.md b/blog/content/posts/10-double-faults/index.md
index 148ae397..b375b418 100644
--- a/blog/content/posts/10-double-faults/index.md
+++ b/blog/content/posts/10-double-faults/index.md
@@ -558,12 +558,12 @@ The flag bits are common between all descriptor types, so we create a general `D
 // in src/interrupts/gdt.rs
 
 bitflags! {
-    flags DescriptorFlags: u64 {
-        const CONFORMING        = 1 << 42,
-        const EXECUTABLE        = 1 << 43,
-        const USER_SEGMENT      = 1 << 44,
-        const PRESENT           = 1 << 47,
-        const LONG_MODE         = 1 << 53,
+    struct DescriptorFlags: u64 {
+        const CONFORMING        = 1 << 42;
+        const EXECUTABLE        = 1 << 43;
+        const USER_SEGMENT      = 1 << 44;
+        const PRESENT           = 1 << 47;
+        const LONG_MODE         = 1 << 53;
     }
 }
 ```
diff --git a/src/interrupts/gdt.rs b/src/interrupts/gdt.rs
index 23400821..5ea28e31 100644
--- a/src/interrupts/gdt.rs
+++ b/src/interrupts/gdt.rs
@@ -85,11 +85,11 @@ impl Descriptor {
 }
 
 bitflags! {
-    flags DescriptorFlags: u64 {
-        const CONFORMING        = 1 << 42,
-        const EXECUTABLE        = 1 << 43,
-        const USER_SEGMENT      = 1 << 44,
-        const PRESENT           = 1 << 47,
-        const LONG_MODE         = 1 << 53,
+    struct DescriptorFlags: u64 {
+        const CONFORMING        = 1 << 42;
+        const EXECUTABLE        = 1 << 43;
+        const USER_SEGMENT      = 1 << 44;
+        const PRESENT           = 1 << 47;
+        const LONG_MODE         = 1 << 53;
     }
 }
diff --git a/src/memory/paging/entry.rs b/src/memory/paging/entry.rs
index 9e3ba4e2..5afbcd75 100644
--- a/src/memory/paging/entry.rs
+++ b/src/memory/paging/entry.rs
@@ -42,17 +42,17 @@ impl Entry {
 }
 
 bitflags! {
-    pub flags EntryFlags: u64 {
-        const PRESENT =         1 << 0,
-        const WRITABLE =        1 << 1,
-        const USER_ACCESSIBLE = 1 << 2,
-        const WRITE_THROUGH =   1 << 3,
-        const NO_CACHE =        1 << 4,
-        const ACCESSED =        1 << 5,
-        const DIRTY =           1 << 6,
-        const HUGE_PAGE =       1 << 7,
-        const GLOBAL =          1 << 8,
-        const NO_EXECUTE =      1 << 63,
+    pub struct EntryFlags: u64 {
+        const PRESENT =         1 << 0;
+        const WRITABLE =        1 << 1;
+        const USER_ACCESSIBLE = 1 << 2;
+        const WRITE_THROUGH =   1 << 3;
+        const NO_CACHE =        1 << 4;
+        const ACCESSED =        1 << 5;
+        const DIRTY =           1 << 6;
+        const HUGE_PAGE =       1 << 7;
+        const GLOBAL =          1 << 8;
+        const NO_EXECUTE =      1 << 63;
     }
 }