diff --git a/Cargo.lock b/Cargo.lock
index 7d51a01..20bb872 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -405,7 +405,7 @@ dependencies = [
 
 [[package]]
 name = "mini-lsm"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "anyhow",
  "arc-swap",
@@ -426,7 +426,7 @@ dependencies = [
 
 [[package]]
 name = "mini-lsm-starter"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "anyhow",
  "arc-swap",
@@ -447,7 +447,7 @@ dependencies = [
 
 [[package]]
 name = "mini-lsm-xtask"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 604c9a5..36db65f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["mini-lsm", "xtask", "mini-lsm-starter"]
 resolver = "2"
 
 [workspace.package]
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 homepage = "https://github.com/skyzh/mini-lsm"
 keywords = ["storage", "database", "tutorial"]
diff --git a/mini-lsm-starter/Cargo.toml b/mini-lsm-starter/Cargo.toml
index 5a2fe17..25943e5 100644
--- a/mini-lsm-starter/Cargo.toml
+++ b/mini-lsm-starter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mini-lsm-starter"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 publish = false
 
diff --git a/mini-lsm-starter/src/lsm_storage.rs b/mini-lsm-starter/src/lsm_storage.rs
index 21f7025..c1b9ef8 100644
--- a/mini-lsm-starter/src/lsm_storage.rs
+++ b/mini-lsm-starter/src/lsm_storage.rs
@@ -158,6 +158,10 @@ impl MiniLsm {
         self.inner.delete(key)
     }
 
+    pub fn sync(&self) -> Result<()> {
+        self.inner.sync()
+    }
+
     pub fn scan(
         &self,
         lower: Bound<&[u8]>,
@@ -222,6 +226,10 @@ impl LsmStorageInner {
         Ok(storage)
     }
 
+    pub fn sync(&self) -> Result<()> {
+        unimplemented!()
+    }
+
     /// Get a key from the storage. In day 7, this can be further optimized by using a bloom filter.
     pub fn get(&self, _key: &[u8]) -> Result<Option<Bytes>> {
         unimplemented!()
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 2cbb711..30fc10b 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -111,6 +111,11 @@ fn sync() -> Result<()> {
         std::fs::read_to_string(cargo_toml)?.replace("mini-lsm-starter", "mini-lsm")
             + "\n[workspace]\n",
     )?;
+    let wrapper_rs = "sync-tmp/mini-lsm-starter/src/bin/wrapper.rs";
+    std::fs::write(
+        wrapper_rs,
+        std::fs::read_to_string(wrapper_rs)?.replace("mini_lsm_starter", "mini_lsm"),
+    )?;
     cmd!(
         "cargo",
         "semver-checks",