diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9434a3d..60133bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+0.19.0 (2023-08-18)
+===
+
+## What's Changed
+* Update to MMTk core PR #712 by @qinsoon in https://github.com/mmtk/mmtk-v8/pull/75
+* Rename ambiguous `scan_thread_root{,s}` functions by @k-sareen in https://github.com/mmtk/mmtk-v8/pull/77
+* Fix CI and cargo build errors by @wenyuzhao in https://github.com/mmtk/mmtk-v8/pull/78
+
+## New Contributors
+* @k-sareen made their first contribution in https://github.com/mmtk/mmtk-v8/pull/77
+
 0.16.0 (2022-12-06)
 ===
 
diff --git a/mmtk/Cargo.lock b/mmtk/Cargo.lock
index f4e5c43..9f7c3bf 100644
--- a/mmtk/Cargo.lock
+++ b/mmtk/Cargo.lock
@@ -413,8 +413,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk"
-version = "0.18.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=04a47feb4598b2120598453c2cceec83986c2122#04a47feb4598b2120598453c2cceec83986c2122"
+version = "0.19.0"
+source = "git+https://github.com/qinsoon/mmtk-core.git?rev=e88caa132e3b4cc7a0f046228c9339481d3a4c58#e88caa132e3b4cc7a0f046228c9339481d3a4c58"
 dependencies = [
  "atomic",
  "atomic-traits",
@@ -445,8 +445,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk-macros"
-version = "0.18.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=04a47feb4598b2120598453c2cceec83986c2122#04a47feb4598b2120598453c2cceec83986c2122"
+version = "0.19.0"
+source = "git+https://github.com/qinsoon/mmtk-core.git?rev=e88caa132e3b4cc7a0f046228c9339481d3a4c58#e88caa132e3b4cc7a0f046228c9339481d3a4c58"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -456,7 +456,7 @@ dependencies = [
 
 [[package]]
 name = "mmtk_v8"
-version = "0.18.0"
+version = "0.19.0"
 dependencies = [
  "lazy_static",
  "libc",
@@ -522,9 +522,9 @@ checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
 name = "probe"
-version = "0.3.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216e81fcf486280f0b8b18ca43ceafd32739eb0eb703eb024a8d00814eeba556"
+checksum = "d8e2d2444b730c8f027344c60f9e1f1554d7a3342df9bdd425142ed119a6e5a3"
 
 [[package]]
 name = "proc-macro-error"
diff --git a/mmtk/Cargo.toml b/mmtk/Cargo.toml
index 8f48b7f..20d830d 100644
--- a/mmtk/Cargo.toml
+++ b/mmtk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mmtk_v8"
-version = "0.18.0"
+version = "0.19.0"
 authors = [" <>"]
 rust-version = "1.66.0"
 
@@ -27,7 +27,7 @@ log = "*"
 # - change branch
 # - change repo name
 # But other changes including adding/removing whitespaces in commented lines may break the CI.
-mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "04a47feb4598b2120598453c2cceec83986c2122" }
+mmtk = { git = "https://github.com/qinsoon/mmtk-core.git", rev = "e88caa132e3b4cc7a0f046228c9339481d3a4c58" }
 # Uncomment the following and fix the path to mmtk-core to build locally
 # mmtk = { path = "../repos/mmtk-core" }
 
diff --git a/mmtk/rust-toolchain b/mmtk/rust-toolchain
index 0403bed..883bde3 100644
--- a/mmtk/rust-toolchain
+++ b/mmtk/rust-toolchain
@@ -1 +1 @@
-1.66.1
+1.71.1
\ No newline at end of file