diff --git a/Cargo.lock b/Cargo.lock
index 4995ce52..f78d2221 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -65,12 +65,6 @@ version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "080e9890a082662b09c1ad45f567faeeb47f22b5fb23895fbe1e651e718e25ca"
 
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
 [[package]]
 name = "bcachefs-tools"
 version = "1.12.0"
@@ -103,7 +97,6 @@ dependencies = [
  "bitfield",
  "bitflags 1.3.2",
  "byteorder",
- "memoffset",
  "paste",
  "pkg-config",
  "uuid",
@@ -379,15 +372,6 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
-[[package]]
-name = "memoffset"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index f2b93756..4d170300 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "bcachefs-tools"
 version = "1.12.0"
 authors = ["Yuxuan Shui <yshuiv7@gmail.com>", "Kayla Firestack <dev@kaylafire.me>", "Kent Overstreet <kent.overstreet@linux.dev>" ]
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.77"
 
 [[bin]]
 name = "bcachefs"
diff --git a/bch_bindgen/Cargo.toml b/bch_bindgen/Cargo.toml
index 63be4f3d..c46e275b 100644
--- a/bch_bindgen/Cargo.toml
+++ b/bch_bindgen/Cargo.toml
@@ -3,6 +3,7 @@ name = "bch_bindgen"
 version = "0.1.0"
 authors = [ "Kayla Firestack <dev@kaylafire.me>", "Yuxuan Shui <yshuiv7@gmail.com>", "Kent Overstreet <kent.overstreet@linux.dev>" ]
 edition = "2021"
+rust-version = "1.77"
 
 [lib]
 crate-type = ["lib"]
@@ -12,7 +13,6 @@ crate-type = ["lib"]
 anyhow = "1.0"
 uuid = "1.2.2"
 bitfield = "0.14.0"
-memoffset = "0.8.0"
 byteorder = "1.3"
 bitflags = "1.3.2"
 paste = "1.0.11"
diff --git a/bch_bindgen/src/bcachefs.rs b/bch_bindgen/src/bcachefs.rs
index 366c7332..f30f6e12 100644
--- a/bch_bindgen/src/bcachefs.rs
+++ b/bch_bindgen/src/bcachefs.rs
@@ -18,7 +18,7 @@ bitfield! {
     pub struct bch_crypt_flags(u64);
     pub TYPE, _: 4, 0;
 }
-use memoffset::offset_of;
+use std::mem::offset_of;
 impl bch_sb_field_crypt {
     pub fn scrypt_flags(&self) -> Option<bch_scrypt_flags> {
         use std::convert::TryInto;