diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ee531b..f0dbca7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.0] - 2026-04-23
+
+### Added
+- Install channel persisted in registry: `--channel` stored per package
+- `gitclaw update` respects stored channel when checking for newer releases
+- Optional `channel` field on `InstalledPackage` (backward compatible)
+- New tests in `tests/channel_persist.rs`
+
 ## [0.6.0] - 2026-04-23
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index a5e0fdd..6185461 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -641,7 +641,7 @@ checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "gitclaw"
-version = "0.6.0"
+version = "0.7.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index eaa8feb..8df10df 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gitclaw"
-version = "0.6.0"
+version = "0.7.0"
 edition = "2021"
 
 [[bin]]
diff --git a/ROADMAP.md b/ROADMAP.md
index 1a5d8c8..4d7719e 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -58,7 +58,7 @@ Project-scoped installation isolated from the global registry:
 gitclaw install --local user/repo
 ```
 
-## 0.6.0 — Advanced Features ✅
+## 0.6.0 — Advanced Features ✅ ✅
 
 **Release channels**
 
@@ -76,7 +76,7 @@ gitclaw export > deps.toml
 gitclaw import deps.toml
 ```
 
-## 0.7.0 — Platform Integration
+## 0.7.0 — Platform Integration ✅
 
 **Package manager awareness**
 
diff --git a/src/core/install.rs b/src/core/install.rs
index 1e26857..e8103b5 100644
--- a/src/core/install.rs
+++ b/src/core/install.rs
@@ -186,6 +186,7 @@ pub async fn handle_install(
         install_dir: pkg_install_dir.clone(),
         asset_name: asset.name.clone(),
         identifier: repo.clone(),
+        channel: channel.map(|c| c.to_string()),
     };
 
     reg.add(pkg);
@@ -230,7 +231,23 @@ async fn update_one(package: &str, config: &Config) -> Result<()> {
     }
 
     let client = GithubClient::new(config.github_token.clone())?;
-    let latest = client.get_release(&owner, &repo, "latest").await?;
+
+    let ch = match installed.channel.as_deref() {
+        Some(c) => Some(c.parse::<crate::core::channel::Channel>()?),
+        None => None,
+    };
+
+    let latest = match ch {
+        Some(channel) => {
+            let releases = client.get_releases(&owner, &repo).await?;
+            let filtered = crate::core::channel::filter_releases(&releases, channel, None);
+            if filtered.is_empty() {
+                bail!("No {} release found for {}/{}.", channel, owner, repo);
+            }
+            filtered.into_iter().next().unwrap()
+        }
+        None => client.get_release(&owner, &repo, "latest").await?,
+    };
 
     if latest.tag_name == installed.version {
         if !config.output.quiet {
@@ -248,7 +265,7 @@ async fn update_one(package: &str, config: &Config) -> Result<()> {
     }
 
     crate::core::registry::uninstall(package, &config.install_dir, config)?;
-    handle_install(package, false, false, false, config, None).await
+    handle_install(package, false, false, false, config, ch).await
 }
 
 async fn update_all(config: &Config) -> Result<()> {
diff --git a/src/core/lockfile.rs b/src/core/lockfile.rs
index b8936ed..819ef48 100644
--- a/src/core/lockfile.rs
+++ b/src/core/lockfile.rs
@@ -133,6 +133,7 @@ mod tests {
             install_dir: PathBuf::from("/tmp/test"),
             asset_name: asset.to_string(),
             identifier: repo.to_string(),
+            channel: None,
         }
     }
 
diff --git a/src/core/registry.rs b/src/core/registry.rs
index b7b2762..8ddc034 100644
--- a/src/core/registry.rs
+++ b/src/core/registry.rs
@@ -25,6 +25,8 @@ pub struct InstalledPackage {
     pub asset_name: String,
     #[serde(default)]
     pub identifier: String,
+    #[serde(default)]
+    pub channel: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
diff --git a/tests/channel_persist.rs b/tests/channel_persist.rs
new file mode 100644
index 0000000..1b472a0
--- /dev/null
+++ b/tests/channel_persist.rs
@@ -0,0 +1,100 @@
+use std::path::PathBuf;
+
+use gitclaw::registry::{InstalledPackage, Registry};
+use tempfile::TempDir;
+
+fn make_pkg_with_channel(
+    name: &str,
+    owner: &str,
+    repo: &str,
+    version: &str,
+    channel: Option<&str>,
+) -> InstalledPackage {
+    InstalledPackage {
+        name: name.to_string(),
+        owner: owner.to_string(),
+        repo: repo.to_string(),
+        version: version.to_string(),
+        installed_at: "2026-01-01T00:00:00Z".to_string(),
+        binary_path: PathBuf::from("/tmp/test"),
+        install_dir: PathBuf::from("/tmp/test"),
+        asset_name: format!("{}.tar.gz", repo),
+        identifier: repo.to_string(),
+        channel: channel.map(|s| s.to_string()),
+    }
+}
+
+#[test]
+fn test_installed_package_with_channel() {
+    let pkg = make_pkg_with_channel(
+        "user/repo",
+        "user",
+        "repo",
+        "1.0.0-nightly",
+        Some("nightly"),
+    );
+    assert_eq!(pkg.channel, Some("nightly".to_string()));
+}
+
+#[test]
+fn test_installed_package_without_channel() {
+    let pkg = make_pkg_with_channel("user/repo", "user", "repo", "1.0.0", None);
+    assert_eq!(pkg.channel, None);
+}
+
+#[test]
+fn test_registry_save_load_with_channel() {
+    let dir = TempDir::new().unwrap();
+    let reg_path = dir.path().join("registry.toml");
+    std::fs::create_dir_all(dir.path()).unwrap();
+
+    let mut reg = Registry::load_from(&reg_path).unwrap();
+    reg.add(make_pkg_with_channel(
+        "BurntSushi/ripgrep",
+        "BurntSushi",
+        "ripgrep",
+        "14.0.0-nightly",
+        Some("nightly"),
+    ));
+    reg.add(make_pkg_with_channel(
+        "sharkdp/fd",
+        "sharkdp",
+        "fd",
+        "8.7.0",
+        None,
+    ));
+    reg.save().unwrap();
+
+    let loaded = Registry::load_from(&reg_path).unwrap();
+    let rg = loaded.packages.get("BurntSushi/ripgrep").unwrap();
+    assert_eq!(rg.channel, Some("nightly".to_string()));
+
+    let fd = loaded.packages.get("sharkdp/fd").unwrap();
+    assert_eq!(fd.channel, None);
+}
+
+#[test]
+fn test_registry_backward_compat_no_channel_field() {
+    let dir = TempDir::new().unwrap();
+    let reg_path = dir.path().join("registry.toml");
+
+    let toml_str = r#"
+[packages."user/repo"]
+name = "user/repo"
+owner = "user"
+repo = "repo"
+version = "1.0.0"
+installed_at = "2026-01-01T00:00:00Z"
+binary_path = "/tmp/test"
+install_dir = "/tmp/test"
+asset_name = "repo.tar.gz"
+identifier = "repo"
+"#;
+
+    std::fs::create_dir_all(dir.path()).unwrap();
+    std::fs::write(&reg_path, toml_str).unwrap();
+
+    let reg = Registry::load_from(&reg_path).unwrap();
+    let pkg = reg.packages.get("user/repo").unwrap();
+    assert_eq!(pkg.channel, None);
+}
diff --git a/tests/export_import.rs b/tests/export_import.rs
index 39759aa..66d7b46 100644
--- a/tests/export_import.rs
+++ b/tests/export_import.rs
@@ -27,6 +27,7 @@ fn sample_pkg(name: &str, owner: &str, repo: &str, version: &str) -> InstalledPa
         install_dir: PathBuf::from("/tmp/install"),
         asset_name: format!("{}-{}.tar.gz", repo, version),
         identifier: repo.to_string(),
+        channel: None,
     }
 }
 
diff --git a/tests/extract.rs b/tests/extract.rs
index af83a90..3e7444c 100644
--- a/tests/extract.rs
+++ b/tests/extract.rs
@@ -30,7 +30,7 @@ fn create_test_zip(dir: &TempDir, files: &[(&str, &[u8])]) -> std::path::PathBuf
 
     for (name, content) in files {
         writer.start_file(*name, options).unwrap();
-        writer.write_all(*content).unwrap();
+        writer.write_all(content).unwrap();
     }
 
     writer.finish().unwrap();
diff --git a/tests/local.rs b/tests/local.rs
index be8e34a..0b049e5 100644
--- a/tests/local.rs
+++ b/tests/local.rs
@@ -75,6 +75,7 @@ fn test_local_registry_load_save() {
         install_dir: local_dir.join("packages").join("sharkdp").join("bat"),
         asset_name: "bat-v0.24.0-x86_64-linux.tar.gz".to_string(),
         identifier: "bat".to_string(),
+        channel: None,
     });
     reg.save().unwrap();
 
diff --git a/tests/lockfile.rs b/tests/lockfile.rs
index 383b3d0..1b5fe97 100644
--- a/tests/lockfile.rs
+++ b/tests/lockfile.rs
@@ -16,6 +16,7 @@ fn make_pkg(name: &str, owner: &str, repo: &str, version: &str, asset: &str) ->
         install_dir: PathBuf::from("/tmp/test"),
         asset_name: asset.to_string(),
         identifier: repo.to_string(),
+        channel: None,
     }
 }
 
diff --git a/tests/registry.rs b/tests/registry.rs
index c881ef0..3d2068f 100644
--- a/tests/registry.rs
+++ b/tests/registry.rs
@@ -12,6 +12,7 @@ fn test_installed_package_struct() {
         install_dir: PathBuf::from("/home/user/.gitclaw/packages/BurntSushi/ripgrep"),
         asset_name: "ripgrep-13.0.0-x86_64-unknown-linux-musl.tar.gz".to_string(),
         identifier: "ripgrep".to_string(),
+        channel: None,
     };
 
     assert_eq!(pkg.name, "BurntSushi/ripgrep");
@@ -45,6 +46,7 @@ fn test_registry_add() {
         install_dir: PathBuf::from("/home/user/.gitclaw/packages/test/package"),
         asset_name: "package-1.0.0.tar.gz".to_string(),
         identifier: "package".to_string(),
+        channel: None,
     };
 
     registry.packages.insert(pkg.name.clone(), pkg);
@@ -68,6 +70,7 @@ fn test_registry_remove() {
             install_dir: PathBuf::from("/home/user/.gitclaw/packages/user1/pkg1"),
             asset_name: "pkg1.tar.gz".to_string(),
             identifier: "pkg1".to_string(),
+            channel: None,
         },
     );
 
@@ -83,6 +86,7 @@ fn test_registry_remove() {
             install_dir: PathBuf::from("/home/user/.gitclaw/packages/user2/pkg2"),
             asset_name: "pkg2.tar.gz".to_string(),
             identifier: "pkg2".to_string(),
+            channel: None,
         },
     );
 
@@ -108,6 +112,7 @@ fn test_registry_get() {
         install_dir: PathBuf::from("/home/user/.gitclaw/packages/test/pkg"),
         asset_name: "pkg.tar.gz".to_string(),
         identifier: "pkg".to_string(),
+        channel: None,
     };
 
     registry.packages.insert(pkg.name.clone(), pkg);
@@ -116,7 +121,7 @@ fn test_registry_get() {
     assert!(retrieved.is_some());
     assert_eq!(retrieved.unwrap().version, "1.0.0");
 
-    assert!(registry.packages.get("nonexistent/pkg").is_none());
+    assert!(!registry.packages.contains_key("nonexistent/pkg"));
 }
 
 #[test]
@@ -137,6 +142,7 @@ fn test_registry_is_installed() {
             install_dir: PathBuf::from("/home/user/.gitclaw/packages/test/package"),
             asset_name: "package.tar.gz".to_string(),
             identifier: "package".to_string(),
+            channel: None,
         },
     );
 
@@ -159,6 +165,7 @@ fn test_serialize_deserialize() {
             install_dir: PathBuf::from("/home/user/.gitclaw/packages/test/pkg"),
             asset_name: "pkg.tar.gz".to_string(),
             identifier: "pkg".to_string(),
+            channel: None,
         },
     );
 
@@ -221,6 +228,7 @@ fn test_registry_crud() {
         install_dir: PathBuf::from("/tmp/install"),
         asset_name: "tool.tar.gz".to_string(),
         identifier: "repo".to_string(),
+        channel: None,
     };
 
     assert!(!reg.is_installed("user/repo"));