diff --git a/CHANGELOG.md b/CHANGELOG.md
index 706c5f7c..666112d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+0.27.0 (2024-08-09)
+===
+
+## What's Changed
+* Update to MMTK core PR #1159 by @qinsoon in https://github.com/mmtk/mmtk-openjdk/pull/283
+
+**Full Changelog**: https://github.com/mmtk/mmtk-openjdk/compare/v0.26.0...v0.27.0
+
 0.26.0 (2024-07-01)
 ===
 
diff --git a/mmtk/Cargo.lock b/mmtk/Cargo.lock
index 97fbcb22..f3f68ccd 100644
--- a/mmtk/Cargo.lock
+++ b/mmtk/Cargo.lock
@@ -431,8 +431,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk"
-version = "0.26.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=a3a72f8e5795678eff06fdc1524f0b429a62ccc0#a3a72f8e5795678eff06fdc1524f0b429a62ccc0"
+version = "0.27.0"
+source = "git+https://github.com/mmtk/mmtk-core.git?rev=160b7702fccda133c9407234821ad35103623179#160b7702fccda133c9407234821ad35103623179"
 dependencies = [
  "atomic",
  "atomic-traits",
@@ -457,6 +457,7 @@ dependencies = [
  "portable-atomic",
  "probe",
  "regex",
+ "rustversion",
  "spin",
  "static_assertions",
  "strum",
@@ -466,8 +467,8 @@ dependencies = [
 
 [[package]]
 name = "mmtk-macros"
-version = "0.26.0"
-source = "git+https://github.com/mmtk/mmtk-core.git?rev=a3a72f8e5795678eff06fdc1524f0b429a62ccc0#a3a72f8e5795678eff06fdc1524f0b429a62ccc0"
+version = "0.27.0"
+source = "git+https://github.com/mmtk/mmtk-core.git?rev=160b7702fccda133c9407234821ad35103623179#160b7702fccda133c9407234821ad35103623179"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
diff --git a/mmtk/Cargo.toml b/mmtk/Cargo.toml
index 0f524380..d4a19fd3 100644
--- a/mmtk/Cargo.toml
+++ b/mmtk/Cargo.toml
@@ -34,7 +34,7 @@ cfg-if = "1.0"
 # - 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 = "a3a72f8e5795678eff06fdc1524f0b429a62ccc0" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "160b7702fccda133c9407234821ad35103623179" }
 # Uncomment the following to build locally
 # mmtk = { path = "../repos/mmtk-core" }