diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27d849c0..7d9bf70b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.13.0 (2022-06-27)
+===
+
+* Updates to mmtk-core 0.13.0.
+
 0.12.0 (2022-05-13)
 ===
 
diff --git a/mmtk/Cargo.toml b/mmtk/Cargo.toml
index 767360d0..5544a87d 100644
--- a/mmtk/Cargo.toml
+++ b/mmtk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mmtk_jikesrvm"
-version = "0.12.0"
+version = "0.13.0"
 authors = [" <>"]
 rust-version = "1.59.0"
 
@@ -28,7 +28,7 @@ log = {version = "0.4", features = ["max_level_trace", "release_max_level_off"]
 # - change branch/rev
 # - 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 = "f78de4ed8ffd6f834c6c3d3a0bde0a651cc33f2b" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "571a857b75e648ca4c711d56fbf400d99173398f" }
 # Uncomment the following to build locally - if you change the path locally, do not commit the change in a PR
 # mmtk = { path = "../repos/mmtk-core" }