diff --git a/CHANGELOG.md b/CHANGELOG.md
index 029124ab..9d36f136 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+0.7.0 (2021-09-22)
+===
+
+* Supports the `GenImmix` plan.
+* Supports the `global_alloc_bit` feature in mmtk-core.
+* Fixes monitor misuse in the finalizer thread.
+* Fixes style for C++ code to match OpenJDK style guidelines.
+* Updates to mmtk-core 0.7.0.
+
 0.6.0 (2021-08-10)
 ===
 
diff --git a/mmtk/Cargo.toml b/mmtk/Cargo.toml
index 9368f0da..443bfa91 100644
--- a/mmtk/Cargo.toml
+++ b/mmtk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mmtk_openjdk"
-version = "0.6.0"
+version = "0.7.0"
 authors = [" <>"]
 
 [lib]
@@ -20,7 +20,7 @@ lazy_static = "1.1"
 # - 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 = "e0eeeb2f06eaa55d89ff72ed6917c6779f29a1a3" }
+mmtk = { git = "https://github.com/mmtk/mmtk-core.git", rev = "34acc5472942671f89d18d8313af46f9c4c7783e" }
 # Uncomment the following to build locally
 # mmtk = { path = "../repos/mmtk-core" }