diff --git a/renovate.json b/.github/renovate.json
similarity index 100%
rename from renovate.json
rename to .github/renovate.json
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4aae797..bbdceba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,9 @@ jobs:
       - name: Test libmimalloc-sys crate bindings (secure)
         run: cargo run --features secure -p libmimalloc-sys-test
 
+      - name: Test libmimalloc-sys crate bindings (v3)
+        run: cargo run --features v3 -p libmimalloc-sys-test
+
       - name: Build (no secure)
         run: cargo build
 
@@ -60,6 +63,12 @@ jobs:
       - name: Test (extended)
         run: cargo test --features extended
 
+      - name: Test (v3)
+        run: cargo test --features v3
+
+      - name: Test (extended, v3)
+        run: cargo test --features extended,v3
+
       - name: Test libmimalloc-sys crate bindings (extended)
         run: cargo run --features extended -p libmimalloc-sys-test
 
@@ -153,7 +162,7 @@ jobs:
       - uses: goto-bus-stop/setup-zig@v2
         if: ${{ contains(matrix.settings.target, 'musl') }}
         with:
-          version: 0.14.1
+          version: 0.15.2
 
       - name: Install cargo-zigbuild
         uses: taiki-e/install-action@v2
@@ -187,19 +196,31 @@ jobs:
           if [[ "${{ matrix.settings.target }}" == *"musl"* ]]; then
             yarn build --target ${{ matrix.settings.target }} -x
             yarn build --target ${{ matrix.settings.target }} -x --release
+            yarn build --target ${{ matrix.settings.target }} -x --features v3
+            yarn build --target ${{ matrix.settings.target }} -x --features v3 --release
           elif [[ "${{ matrix.settings.target }}" == *"gnu"* ]]; then
             export TARGET_CFLAGS="-fuse-ld=lld"
             export TARGET_CC=clang
             yarn build --target ${{ matrix.settings.target }} --use-napi-cross
             yarn build --target ${{ matrix.settings.target }} --use-napi-cross --release
+            yarn build --target ${{ matrix.settings.target }} --use-napi-cross --features v3
+            yarn build --target ${{ matrix.settings.target }} --use-napi-cross --features v3 --release
           elif [[ "${{ matrix.settings.target }}" == *"msvc"* ]]; then
             yarn build --target ${{ matrix.settings.target }}
             yarn build --target ${{ matrix.settings.target }} --release
+            yarn build --target ${{ matrix.settings.target }} --features v3
+            yarn build --target ${{ matrix.settings.target }} --features v3 --release
             mkdir -p .cargo
             echo "[target.${{ matrix.settings.target }}]" >> .cargo/config.toml
             echo "rustflags = [\"-C\", \"target-feature=+crt-static\"]" >> .cargo/config.toml
             yarn build --target ${{ matrix.settings.target }} --release
+            yarn build --target ${{ matrix.settings.target }} --features v3 --release
+          elif [[ "${{ matrix.settings.target }}" == *"wasm"* ]]; then
+            yarn build --target ${{ matrix.settings.target }}
+            yarn build --target ${{ matrix.settings.target }} --release
           else
             yarn build --target ${{ matrix.settings.target }}
             yarn build --target ${{ matrix.settings.target }} --release
+            yarn build --target ${{ matrix.settings.target }} --features v3
+            yarn build --target ${{ matrix.settings.target }} --features v3 --release
           fi
diff --git a/.gitmodules b/.gitmodules
index 9226cc2..6dc00a5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "libmimalloc-sys/c_src/mimalloc"]
 	path = libmimalloc-sys/c_src/mimalloc
 	url = https://github.com/microsoft/mimalloc.git
+[submodule "libmimalloc-sys/c_src/mimalloc3"]
+	path = libmimalloc-sys/c_src/mimalloc3
+	url = https://github.com/microsoft/mimalloc.git
diff --git a/Cargo.toml b/Cargo.toml
index 6eaf77c..a58d31d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,5 +34,5 @@ no_thp = ["libmimalloc-sys2/no_thp"]
 no_opt_arch = ["libmimalloc-sys2/no_opt_arch"]
 extended = ["libmimalloc-sys2/extended"]
 skip_collect_on_exit = ["libmimalloc-sys2/skip_collect_on_exit"]
-
 etw = ["libmimalloc-sys2/etw"]
+v3 = ["libmimalloc-sys2/v3"]
\ No newline at end of file
diff --git a/example/Cargo.toml b/example/Cargo.toml
index 03b39cb..b1fd84a 100644
--- a/example/Cargo.toml
+++ b/example/Cargo.toml
@@ -7,6 +7,9 @@ publish = false
 [lib]
 crate-type = ["cdylib", "lib"]
 
+[features]
+v3 = ["mimalloc-safe/v3"]
+
 [dependencies]
 napi = "3"
 napi-derive = "3"
diff --git a/libmimalloc-sys/Cargo.toml b/libmimalloc-sys/Cargo.toml
index f991233..31898ec 100644
--- a/libmimalloc-sys/Cargo.toml
+++ b/libmimalloc-sys/Cargo.toml
@@ -38,6 +38,7 @@ no_thp = []
 skip_collect_on_exit = []
 # turn off `MI_OPT_ARCH`, default is `ON`
 no_opt_arch = []
+v3 = []
 
 # Show `extended` on docs.rs since it's the full API surface.
 [package.metadata.docs.rs]
diff --git a/libmimalloc-sys/build.rs b/libmimalloc-sys/build.rs
index f7d469a..2d565eb 100644
--- a/libmimalloc-sys/build.rs
+++ b/libmimalloc-sys/build.rs
@@ -4,7 +4,10 @@ use std::env;
 use cmake::Config;
 
 fn main() {
+    #[cfg(not(feature = "v3"))]
     let mut cmake_config = Config::new("c_src/mimalloc");
+    #[cfg(feature = "v3")]
+    let mut cmake_config = Config::new("c_src/mimalloc3");
 
     let mut mimalloc_base_name = Cow::Borrowed("mimalloc");
 
diff --git a/libmimalloc-sys/c_src/mimalloc3 b/libmimalloc-sys/c_src/mimalloc3
new file mode 160000
index 0000000..7a2a411
--- /dev/null
+++ b/libmimalloc-sys/c_src/mimalloc3
@@ -0,0 +1 @@
+Subproject commit 7a2a41134a544f34df9f58c5d7077e63228637ca
diff --git a/libmimalloc-sys/sys-test/Cargo.toml b/libmimalloc-sys/sys-test/Cargo.toml
index afe7951..cc75183 100644
--- a/libmimalloc-sys/sys-test/Cargo.toml
+++ b/libmimalloc-sys/sys-test/Cargo.toml
@@ -2,7 +2,7 @@
 name = "libmimalloc-sys-test"
 version = "0.1.0"
 authors = ["Thom Chiovoloni <tchiovoloni@mozilla.com>"]
-edition = "2018"
+edition = "2021"
 description = "Bindings test for libmimalloc-sys"
 license = "MIT"
 publish = false
@@ -10,6 +10,7 @@ publish = false
 [features]
 secure = ["libmimalloc-sys2/secure"]
 extended = ["libmimalloc-sys2/extended"]
+v3 = ["libmimalloc-sys2/v3"]
 
 [dependencies]
 libmimalloc-sys2 = { path = "..", features = ["extended"] }