diff --git a/mmtk/Cargo.lock b/mmtk/Cargo.lock
index dbc986c..d9045cd 100644
--- a/mmtk/Cargo.lock
+++ b/mmtk/Cargo.lock
@@ -109,9 +109,9 @@ dependencies = [
 
 [[package]]
 name = "bytemuck"
-version = "1.24.0"
+version = "1.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fbdf580320f38b612e485521afda1ee26d10cc9884efaaa750d383e13e3c5f4"
+checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec"
 dependencies = [
  "bytemuck_derive",
 ]
@@ -129,9 +129,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.52"
+version = "1.2.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd4932aefd12402b36c60956a4fe0035421f544799057659ff86f923657aada3"
+checksum = "47b26a0954ae34af09b50f0de26458fa95369a0d478d8236d3f93082b219bd29"
 dependencies = [
  "find-msvc-tools",
  "jobserver",
@@ -286,9 +286,9 @@ dependencies = [
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.7"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f449e6c6c08c865631d4890cfacf252b3d396c9bcc83adb6623cdb02a8336c41"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
 
 [[package]]
 name = "form_urlencoded"
@@ -313,9 +313,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.20.3"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e2b37e2f62729cdada11f0e6b3b6fe383c69c29fc619e391223e12856af308c"
+checksum = "7b88256088d75a56f8ecfa070513a775dd9107f6530ef14919dac831af9cfe2b"
 dependencies = [
  "bitflags",
  "libc",
@@ -466,9 +466,9 @@ dependencies = [
 
 [[package]]
 name = "jiff"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e67e8da4c49d6d9909fe03361f9b620f58898859f5c7aded68351e85e71ecf50"
+checksum = "d89a5b5e10d5a9ad6e5d1f4bd58225f655d6fe9767575a5e8ac5a6fe64e04495"
 dependencies = [
  "jiff-static",
  "log",
@@ -479,9 +479,9 @@ dependencies = [
 
 [[package]]
 name = "jiff-static"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0c84ee7f197eca9a86c6fd6cb771e55eb991632f15f2bc3ca6ec838929e6e78"
+checksum = "ff7a39c8862fc1369215ccf0a8f12dd4598c7f6484704359f0351bd617034dbf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -506,9 +506,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.180"
+version = "0.2.181"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
+checksum = "459427e2af2b9c839b132acb702a1c654d95e10f8c326bfc2ad11310e458b1c5"
 
 [[package]]
 name = "libgit2-sys"
@@ -557,9 +557,9 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "memchr"
-version = "2.7.6"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
 [[package]]
 name = "memoffset"
@@ -572,8 +572,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk"
-version = "0.31.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=45a5f881f37c97aa42e06790fe54a10a53b2eb45#45a5f881f37c97aa42e06790fe54a10a53b2eb45"
+version = "0.32.0"
+source = "git+https://github.com/mmtk/mmtk-core.git?rev=105661429473dc141f940e981c04dc86e995daaa#105661429473dc141f940e981c04dc86e995daaa"
 dependencies = [
  "atomic",
  "atomic-traits",
@@ -608,8 +608,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk-macros"
-version = "0.31.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=45a5f881f37c97aa42e06790fe54a10a53b2eb45#45a5f881f37c97aa42e06790fe54a10a53b2eb45"
+version = "0.32.0"
+source = "git+https://github.com/mmtk/mmtk-core.git?rev=105661429473dc141f940e981c04dc86e995daaa#105661429473dc141f940e981c04dc86e995daaa"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -704,15 +704,15 @@ checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
 [[package]]
 name = "portable-atomic"
-version = "1.13.0"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f89776e4d69bb58bc6993e99ffa1d11f228b839984854c7daeb5d37f87cbe950"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
 
 [[package]]
 name = "portable-atomic-util"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
+checksum = "7a9db96d7fa8782dd8c15ce32ffe8680bbd1e978a43bf51a34d39483540495f5"
 dependencies = [
  "portable-atomic",
 ]
@@ -758,18 +758,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.105"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.43"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
+checksum = "21b2ebcf727b7760c461f091f9f0f539b77b8e87f2fd88131e7f1b433b3cece4"
 dependencies = [
  "proc-macro2",
 ]
@@ -782,9 +782,9 @@ checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
 [[package]]
 name = "regex"
-version = "1.12.2"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -794,9 +794,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -805,9 +805,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.8"
+version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
+checksum = "a96887878f22d7bad8a3b6dc5b7440e0ada9a245242924394987b21cf2210a4c"
 
 [[package]]
 name = "rustc_version"
@@ -974,9 +974,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "537dd038a89878be9b64dd4bd1b260315c1bb94f4d784956b81e27a088d9a09e"
 
 [[package]]
 name = "url"
@@ -1016,9 +1016,9 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "wasip2"
-version = "1.0.1+wasi-0.2.4"
+version = "1.0.2+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
 dependencies = [
  "wit-bindgen",
 ]
@@ -1173,9 +1173,9 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen"
-version = "0.46.0"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
 
 [[package]]
 name = "writeable"
diff --git a/mmtk/Cargo.toml b/mmtk/Cargo.toml
index fd5f92b..8996383 100644
--- a/mmtk/Cargo.toml
+++ b/mmtk/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2021"
 # Metadata for the Ruby repository
 [package.metadata.ci-repos.ruby]
 repo = "mmtk/ruby" # This is used by actions/checkout, so the format is "owner/repo", not URL.
-rev = "f9a0c1de19043485d1c9a26844e716a4953e693d"
+rev = "d4c2ab475cb3dfefb41b6fb2a53df92e693193f9"
 
 [lib]
 name = "mmtk_ruby"
@@ -37,7 +37,7 @@ features = ["is_mmtk_object", "object_pinning", "sticky_immix_non_moving_nursery
 
 # Uncomment the following lines to use mmtk-core from the official repository.
 git = "https://github.com/mmtk/mmtk-core.git"
-rev = "45a5f881f37c97aa42e06790fe54a10a53b2eb45"
+rev = "105661429473dc141f940e981c04dc86e995daaa"
 
 # Uncomment the following line to use mmtk-core from a local repository.
 #path = "../../mmtk-core"