diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0102aa6..66b5ca7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ on:
 env:
   RUSTFLAGS: -Dwarnings
   RUST_BACKTRACE: 1
+  minrust: 1.51
 
 jobs:
   test:
@@ -24,6 +25,18 @@ jobs:
       - run: cargo test --all-features --workspace
       - run: cargo build --all-features --all-targets --workspace
 
+  minrust:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.minrust }}
+          override: true
+      # - uses: Swatinem/rust-cache@v1
+      - name: "check --workspace --all-features"
+        run: cargo check --workspace --all-features --all-targets
+
   no-std:
     strategy:
       fail-fast: false
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f9b348b
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,3 @@
+# 0.1.0 (2022-01-03)
+
+- Initial release
\ No newline at end of file
diff --git a/valuable-derive/Cargo.toml b/valuable-derive/Cargo.toml
index 63077c6..de468e5 100644
--- a/valuable-derive/Cargo.toml
+++ b/valuable-derive/Cargo.toml
@@ -1,11 +1,21 @@
 [package]
 name = "valuable-derive"
 version = "0.1.0"
-authors = ["Carl Lerche <me@carllerche.com>", "Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "MIT"
-description = "Values"
-
+rust-version = "1.51.0"
+description = "Macros for the `valuable` crate."
+repository = "https://github.com/tokio-rs/valuable"
+categories = [
+    "development-tools::debugging",
+    "encoding",
+]
+keywords = [
+    "valuable",
+    "serialization",
+    "debugging",
+    "no_std",
+]
 [lib]
 proc-macro = true
 
diff --git a/valuable-serde/Cargo.toml b/valuable-serde/Cargo.toml
index 34d7765..3ef76e8 100644
--- a/valuable-serde/Cargo.toml
+++ b/valuable-serde/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Taiki Endo <te316e89@gmail.com>"]
 edition = "2018"
 license = "MIT"
 description = "`serde::Serialize` implementation for `Valuable` types."
+publish = false
 
 [features]
 default = ["std"]
diff --git a/valuable/Cargo.toml b/valuable/Cargo.toml
index bcbb7d4..ff6b668 100644
--- a/valuable/Cargo.toml
+++ b/valuable/Cargo.toml
@@ -1,10 +1,24 @@
 [package]
 name = "valuable"
 version = "0.1.0"
-authors = ["Carl Lerche <me@carllerche.com>"]
 edition = "2018"
 license = "MIT"
-description = "Values"
+rust-version = "1.51.0"
+readme = "README.md"
+repository = "https://github.com/tokio-rs/valuable"
+description = """
+Object-safe value inspection, used to pass un-typed structured data across trait-object boundaries.
+"""
+categories = [
+    "development-tools::debugging",
+    "encoding",
+]
+keywords = [
+    "valuable",
+    "serialization",
+    "debugging",
+    "no_std",
+]
 
 [features]
 default = ["std"]