diff --git a/Cargo.lock b/Cargo.lock
index c427f6a92a0f0..a910f4f5bf1bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -848,7 +848,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1261,7 +1261,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1388,7 +1388,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1411,12 +1411,6 @@ dependencies = [
  "once_cell",
 ]
 
-[[package]]
-name = "fallible-iterator"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
-
 [[package]]
 name = "fastrand"
 version = "2.3.0"
@@ -1630,19 +1624,15 @@ name = "gimli"
 version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
-dependencies = [
- "fallible-iterator",
- "indexmap",
- "stable_deref_trait",
-]
 
 [[package]]
 name = "gimli"
-version = "0.32.3"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
+checksum = "0bf7f043f89559805f8c7cacc432749b2fa0d0a0a9ee46ce47164ed5ba7f126c"
 dependencies = [
- "fallible-iterator",
+ "fnv",
+ "hashbrown 0.16.1",
  "indexmap",
  "stable_deref_trait",
 ]
@@ -1695,10 +1685,19 @@ name = "hashbrown"
 version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash 0.1.5",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 dependencies = [
  "allocator-api2",
  "equivalent",
- "foldhash 0.1.5",
+ "foldhash 0.2.0",
 ]
 
 [[package]]
@@ -2166,7 +2165,7 @@ dependencies = [
  "portable-atomic",
  "portable-atomic-util",
  "serde_core",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2653,7 +2652,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2779,12 +2778,7 @@ version = "0.36.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62948e14d923ea95ea2c7c86c71013138b66525b86bdc08d2dcc262bdb497b87"
 dependencies = [
- "crc32fast",
- "flate2",
- "hashbrown 0.15.5",
- "indexmap",
  "memchr",
- "ruzstd 0.7.3",
 ]
 
 [[package]]
@@ -2792,14 +2786,23 @@ name = "object"
 version = "0.37.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "object"
+version = "0.38.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "271638cd5fa9cca89c4c304675ca658efc4e64a66c716b7cfe1afb4b9611dbbc"
 dependencies = [
  "crc32fast",
  "flate2",
- "hashbrown 0.15.5",
+ "hashbrown 0.16.1",
  "indexmap",
  "memchr",
- "ruzstd 0.8.2",
- "wasmparser 0.236.1",
+ "ruzstd",
+ "wasmparser 0.243.0",
 ]
 
 [[package]]
@@ -3506,15 +3509,15 @@ version = "0.0.0"
 dependencies = [
  "bstr",
  "build_helper",
- "gimli 0.32.3",
+ "gimli 0.33.0",
  "libc",
- "object 0.37.3",
+ "object 0.38.1",
  "regex",
  "rustdoc-json-types",
  "serde_json",
  "similar",
  "tempfile",
- "wasmparser 0.236.1",
+ "wasmparser 0.243.0",
 ]
 
 [[package]]
@@ -3798,12 +3801,12 @@ name = "rustc_codegen_llvm"
 version = "0.0.0"
 dependencies = [
  "bitflags",
- "gimli 0.31.1",
+ "gimli 0.33.0",
  "itertools",
  "libc",
  "libloading 0.9.0",
  "measureme",
- "object 0.37.3",
+ "object 0.38.1",
  "rustc-demangle",
  "rustc_abi",
  "rustc_ast",
@@ -3837,7 +3840,7 @@ dependencies = [
  "find-msvc-tools",
  "itertools",
  "libc",
- "object 0.37.3",
+ "object 0.38.1",
  "pathdiff",
  "regex",
  "rustc_abi",
@@ -4802,7 +4805,7 @@ version = "0.0.0"
 dependencies = [
  "arrayvec",
  "bitflags",
- "object 0.37.3",
+ "object 0.38.1",
  "rustc_abi",
  "rustc_data_structures",
  "rustc_error_messages",
@@ -5085,7 +5088,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5094,15 +5097,6 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
-[[package]]
-name = "ruzstd"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fad02996bfc73da3e301efe90b1837be9ed8f4a462b6ed410aa35d00381de89f"
-dependencies = [
- "twox-hash 1.6.3",
-]
-
 [[package]]
 name = "ruzstd"
 version = "0.8.2"
@@ -5517,7 +5511,7 @@ dependencies = [
  "getrandom 0.3.3",
  "once_cell",
  "rustix",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5536,7 +5530,7 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8c27177b12a6399ffc08b98f76f7c9a1f4fe9fc967c784c5a071fa8d93cf7e1"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5623,13 +5617,13 @@ dependencies = [
 
 [[package]]
 name = "thorin-dwp"
-version = "0.9.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e9c1e705f82a260173f3eec93f2ff6d7807f23ad5a8cc2e7316a891733ea7a1"
+checksum = "6ce6b46108e50803d2c10216929e49fa3eda07ee3dc246310c18c4a1e3b1fa58"
 dependencies = [
- "gimli 0.31.1",
- "hashbrown 0.15.5",
- "object 0.36.7",
+ "gimli 0.33.0",
+ "hashbrown 0.16.1",
+ "object 0.38.1",
  "tracing",
 ]
 
@@ -6431,9 +6425,9 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.236.1"
+version = "0.243.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9b1e81f3eb254cf7404a82cee6926a4a3ccc5aad80cc3d43608a070c67aa1d7"
+checksum = "f6d8db401b0528ec316dfbe579e6ab4152d61739cfe076706d2009127970159d"
 dependencies = [
  "bitflags",
  "indexmap",
@@ -6514,7 +6508,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/compiler/rustc_codegen_llvm/Cargo.toml b/compiler/rustc_codegen_llvm/Cargo.toml
index 8beb69f7b37d1..f085eba9d5307 100644
--- a/compiler/rustc_codegen_llvm/Cargo.toml
+++ b/compiler/rustc_codegen_llvm/Cargo.toml
@@ -11,12 +11,12 @@ test = false
 bitflags = "2.4.1"
 # To avoid duplicate dependencies, this should match the version of gimli used
 # by `rustc_codegen_ssa` via its `thorin-dwp` dependency.
-gimli = "0.31"
+gimli = "0.33"
 itertools = "0.15"
 libc = "0.2"
 libloading = { version = "0.9.0" }
 measureme = "12.0.1"
-object = { version = "0.37.0", default-features = false, features = ["std", "read"] }
+object = { version = "0.38.1", default-features = false, features = ["std", "read"] }
 rustc-demangle = "0.1.28"
 rustc_abi = { path = "../rustc_abi" }
 rustc_ast = { path = "../rustc_ast" }
diff --git a/compiler/rustc_codegen_ssa/Cargo.toml b/compiler/rustc_codegen_ssa/Cargo.toml
index dd881b14d2920..f33d144ac5c63 100644
--- a/compiler/rustc_codegen_ssa/Cargo.toml
+++ b/compiler/rustc_codegen_ssa/Cargo.toml
@@ -37,7 +37,7 @@ rustc_trait_selection = { path = "../rustc_trait_selection" }
 serde_json = "1.0.59"
 smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
 tempfile = "3.2"
-thorin-dwp = "0.9"
+thorin-dwp = "0.10"
 tracing = "0.1"
 wasm-encoder = "0.219"
 # tidy-alphabetical-end
@@ -48,7 +48,7 @@ libc = "0.2.50"
 # tidy-alphabetical-end
 
 [dependencies.object]
-version = "0.37.0"
+version = "0.38.1"
 default-features = false
 features = ["read_core", "elf", "macho", "pe", "xcoff", "unaligned", "archive", "write", "wasm"]
 
diff --git a/compiler/rustc_codegen_ssa/src/diagnostics.rs b/compiler/rustc_codegen_ssa/src/diagnostics.rs
index 599a23ec0ddc1..6b182d795a9ec 100644
--- a/compiler/rustc_codegen_ssa/src/diagnostics.rs
+++ b/compiler/rustc_codegen_ssa/src/diagnostics.rs
@@ -261,9 +261,6 @@ impl<G: EmissionGuarantee> Diagnostic<'_, G> for ThorinErrorWrapper {
             thorin::Error::ParseUnitAbbreviations(_) => {
                 build(msg!("failed to parse unit abbreviations"))
             }
-            thorin::Error::ParseUnitAttribute(_) => {
-                build(msg!("failed to parse unit attribute"))
-            }
             thorin::Error::ParseUnitHeader(_) => {
                 build(msg!("failed to parse unit header"))
             }
diff --git a/compiler/rustc_target/Cargo.toml b/compiler/rustc_target/Cargo.toml
index d399bfcda50b5..02a5beaef2a6f 100644
--- a/compiler/rustc_target/Cargo.toml
+++ b/compiler/rustc_target/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2024"
 # tidy-alphabetical-start
 arrayvec = { version = "0.7", default-features = false }
 bitflags = "2.4.1"
-object = { version = "0.37.0", default-features = false, features = ["elf", "macho"] }
+object = { version = "0.38.1", default-features = false, features = ["elf", "macho"] }
 rustc_abi = { path = "../rustc_abi" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_error_messages = { path = "../rustc_error_messages" }
diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock
index c05eeb97829b3..1f2ad0eacf759 100644
--- a/src/bootstrap/Cargo.lock
+++ b/src/bootstrap/Cargo.lock
@@ -483,9 +483,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.37.3"
+version = "0.38.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
+checksum = "271638cd5fa9cca89c4c304675ca658efc4e64a66c716b7cfe1afb4b9611dbbc"
 dependencies = [
  "memchr",
 ]
diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml
index cb96af268a6aa..51e4396e6f577 100644
--- a/src/bootstrap/Cargo.toml
+++ b/src/bootstrap/Cargo.toml
@@ -41,7 +41,7 @@ clap_complete = "4.4"
 home = "0.5"
 ignore = "0.4"
 libc = "0.2"
-object = { version = "0.37", default-features = false, features = ["archive", "coff", "read_core", "std", "unaligned"] }
+object = { version = "0.38.1", default-features = false, features = ["archive", "coff", "read_core", "std", "unaligned"] }
 opener = "0.8"
 semver = "1.0"
 serde = "1.0"
diff --git a/src/bootstrap/src/utils/proc_macro_deps.rs b/src/bootstrap/src/utils/proc_macro_deps.rs
index 6dde0ae28064b..8e91f95e18f3f 100644
--- a/src/bootstrap/src/utils/proc_macro_deps.rs
+++ b/src/bootstrap/src/utils/proc_macro_deps.rs
@@ -3,7 +3,6 @@
 /// See <https://github.com/rust-lang/rust/issues/134863>
 pub static CRATES: &[&str] = &[
     // tidy-alphabetical-start
-    "allocator-api2",
     "anyhow",
     "askama_derive",
     "askama_parser",
diff --git a/src/tools/run-make-support/Cargo.toml b/src/tools/run-make-support/Cargo.toml
index c1bff4f94272c..697652012d48c 100644
--- a/src/tools/run-make-support/Cargo.toml
+++ b/src/tools/run-make-support/Cargo.toml
@@ -11,14 +11,14 @@ edition = "2024"
 
 # tidy-alphabetical-start
 bstr = "1.12"
-gimli = "0.32"
+gimli = "0.33"
 libc = "0.2"
-object = { version = "0.37", features = ["wasm"] }
+object = { version = "0.38.1", features = ["wasm"] }
 regex = "1.11"
 serde_json = "1.0"
 similar = "2.7"
 tempfile = "3"
-wasmparser = { version = "0.236", default-features = false, features = ["std", "features", "validate"] }
+wasmparser = { version = "0.243", default-features = false, features = ["std", "features", "validate"] }
 # tidy-alphabetical-end
 
 # Shared with bootstrap and compiletest
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 342743d21340f..6d5a3ee4e8298 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -340,7 +340,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "equivalent",
     "errno",
     "expect-test",
-    "fallible-iterator", // dependency of `thorin`
     "fastrand",
     "find-msvc-tools",
     "flate2",
diff --git a/tests/run-make/repr128-dwarf/rmake.rs b/tests/run-make/repr128-dwarf/rmake.rs
index 38c69d5107337..6b381f1f10bf4 100644
--- a/tests/run-make/repr128-dwarf/rmake.rs
+++ b/tests/run-make/repr128-dwarf/rmake.rs
@@ -59,21 +59,17 @@ fn main() {
         let unit = dwarf.unit(header).unwrap();
         let mut cursor = unit.entries();
 
-        let get_name = |entry: &DebuggingInformationEntry<'_, '_, _>| {
+        let get_name = |entry: &DebuggingInformationEntry<_>| {
             let name = dwarf
-                .attr_string(
-                    &unit,
-                    entry.attr(gimli::constants::DW_AT_name).unwrap().unwrap().value(),
-                )
+                .attr_string(&unit, entry.attr(gimli::constants::DW_AT_name).unwrap().value())
                 .unwrap();
             name.to_string().unwrap().to_string()
         };
 
-        while let Some((_, entry)) = cursor.next_dfs().unwrap() {
+        while let Some(entry) = cursor.next_dfs().unwrap() {
             match entry.tag() {
                 gimli::constants::DW_TAG_variant => {
-                    let Some(value) = entry.attr(gimli::constants::DW_AT_discr_value).unwrap()
-                    else {
+                    let Some(value) = entry.attr(gimli::constants::DW_AT_discr_value) else {
                         // `std` enums might have variants without `DW_AT_discr_value`.
                         continue;
                     };
@@ -84,9 +80,11 @@ fn main() {
                     };
                     // The `DW_TAG_member` that is a child of `DW_TAG_variant` will contain the
                     // variant's name.
-                    let Some((1, child_entry)) = cursor.next_dfs().unwrap() else {
+                    let entry_depth = entry.depth;
+                    let Some(child_entry) = cursor.next_dfs().unwrap() else {
                         panic!("Missing child of DW_TAG_variant");
                     };
+                    assert_eq!(child_entry.depth, entry_depth + 1);
                     assert_eq!(child_entry.tag(), gimli::constants::DW_TAG_member);
                     let name = get_name(child_entry);
                     if let Some(expected) = variants_to_find.remove(name.as_str()) {
@@ -99,12 +97,7 @@ fn main() {
                 gimli::constants::DW_TAG_enumerator => {
                     let name = get_name(entry);
                     if let Some(expected) = enumerators_to_find.remove(name.as_str()) {
-                        match entry
-                            .attr(gimli::constants::DW_AT_const_value)
-                            .unwrap()
-                            .unwrap()
-                            .value()
-                        {
+                        match entry.attr(gimli::constants::DW_AT_const_value).unwrap().value() {
                             AttributeValue::Block(value) => {
                                 // This test uses LE byte order is used for consistent values across
                                 // architectures.