diff --git a/Cargo.lock b/Cargo.lock
index 3a5a3bc7..9fad27a6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -151,6 +151,7 @@ dependencies = [
  "scopeguard",
  "semver",
  "serde",
+ "serde_json",
  "simplelog",
  "strum",
  "strum_macros",
@@ -1204,9 +1205,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.81"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
+checksum = "82c2c1fdcd807d1098552c5b9a36e425e42e9fbd7c6a37a8425f390f781f7fa7"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/Cargo.toml b/Cargo.toml
index aa0ee739..453e0d2d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,6 +36,7 @@ reqwest = { version = "0.11.11", features = ["rustls-tls", "stream"], default-fe
 scopeguard = "1.1.0"
 semver = "1.0.10"
 serde = { version = "1.0.136", features = ["derive"] }
+serde_json = "1.0.82"
 simplelog = "0.12.0"
 strum = "0.24.1"
 strum_macros = "0.24.2"
diff --git a/src/main.rs b/src/main.rs
index fffdccd0..4b331aa4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 use std::{
+    collections::BTreeSet,
     ffi::OsString,
     path::PathBuf,
     process::{ExitCode, Termination},
@@ -454,20 +455,13 @@ async fn install_from_package(
 
     uithread.confirm().await?;
 
-    debug!("Writing .crates.toml");
-    if let Ok(mut ctoml) = metafiles::CratesToml::load().await {
-        ctoml.insert(
-            metafiles::CrateVersionSource {
-                name: opts.name.into(),
-                version: package.version.parse().into_diagnostic()?,
-                source: metafiles::Source::Registry(
-                    url::Url::parse("https://github.com/rust-lang/crates.io-index").unwrap(),
-                ),
-            },
-            bin_files.iter().map(|bin| bin.base_name.clone()),
-        );
-        ctoml.write().await?;
-    }
+    let cvs = metafiles::CrateVersionSource {
+        name: opts.name,
+        version: package.version.parse().into_diagnostic()?,
+        source: metafiles::Source::Registry(
+            url::Url::parse("https://github.com/rust-lang/crates.io-index").unwrap(),
+        ),
+    };
 
     info!("Installing binaries...");
     block_in_place(|| {
@@ -490,6 +484,30 @@ async fn install_from_package(
             });
         }
 
+        let bins: BTreeSet<String> = bin_files.iter().map(|bin| bin.base_name.clone()).collect();
+
+        debug!("Writing .crates.toml");
+        if let Ok(mut c1) = metafiles::v1::CratesToml::load() {
+            c1.insert(cvs.clone(), bins.clone());
+            c1.write()?;
+        }
+
+        debug!("Writing .crates2.json");
+        if let Ok(mut c2) = metafiles::v2::Crates2Json::load() {
+            c2.insert(
+                cvs.clone(),
+                metafiles::v2::CrateInfo {
+                    version_req: Some(opts.version),
+                    bins,
+                    profile: "release".into(),
+                    target: fetcher.target().to_string(),
+                    rustc: format!("{} {}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION")),
+                    ..Default::default()
+                },
+            );
+            c2.write()?;
+        }
+
         Ok(())
     })
 }
diff --git a/src/metafiles.rs b/src/metafiles.rs
index 013d31be..06323a52 100644
--- a/src/metafiles.rs
+++ b/src/metafiles.rs
@@ -1,173 +1,5 @@
-use std::{
-    collections::{BTreeMap, BTreeSet},
-    fmt,
-    path::{Path, PathBuf},
-    str::FromStr,
-};
+mod cvs;
+pub use cvs::*;
 
-use miette::Diagnostic;
-use semver::Version;
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
-use tokio::fs;
-use url::Url;
-
-#[derive(Clone, Debug, Default, Deserialize, Serialize)]
-pub struct CratesTomlRaw {
-    #[serde(default)]
-    pub v1: BTreeMap<String, BTreeSet<String>>,
-}
-
-#[derive(Clone, Debug, Default)]
-pub struct CratesToml(BTreeMap<CrateVersionSource, BTreeSet<String>>);
-
-impl CratesToml {
-    pub fn default_path() -> Result<PathBuf, CratesTomlParseError> {
-        Ok(home::cargo_home()?.join(".crates.toml"))
-    }
-
-    pub async fn load() -> Result<Self, CratesTomlParseError> {
-        Self::load_from_path(Self::default_path()?).await
-    }
-
-    pub async fn load_from_path(path: impl AsRef<Path>) -> Result<Self, CratesTomlParseError> {
-        let file = fs::read_to_string(path).await?;
-        Self::from_str(&file)
-    }
-
-    pub fn insert(&mut self, cvs: CrateVersionSource, bins: impl Iterator<Item = String>) {
-        self.0.insert(cvs, bins.collect());
-    }
-
-    pub async fn write(&self) -> Result<(), CratesTomlParseError> {
-        self.write_to_path(Self::default_path()?).await
-    }
-
-    pub async fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), CratesTomlParseError> {
-        let raw = CratesTomlRaw {
-            v1: self
-                .0
-                .iter()
-                .map(|(cvs, bins)| (cvs.to_string(), bins.clone()))
-                .collect(),
-        };
-
-        fs::write(path, &toml::to_vec(&raw)?).await?;
-        Ok(())
-    }
-}
-
-impl FromStr for CratesToml {
-    type Err = CratesTomlParseError;
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let raw: CratesTomlRaw = toml::from_str(s).unwrap();
-
-        Ok(Self(
-            raw.v1
-                .into_iter()
-                .map(|(name, bins)| CrateVersionSource::from_str(&name).map(|cvs| (cvs, bins)))
-                .collect::<Result<_, _>>()?,
-        ))
-    }
-}
-
-#[derive(Debug, Diagnostic, Error)]
-pub enum CratesTomlParseError {
-    #[error(transparent)]
-    Io(#[from] std::io::Error),
-
-    #[error(transparent)]
-    TomlParse(#[from] toml::de::Error),
-
-    #[error(transparent)]
-    TomlWrite(#[from] toml::ser::Error),
-
-    #[error(transparent)]
-    CvsParse(#[from] CvsParseError),
-}
-
-#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
-pub struct CrateVersionSource {
-    pub name: String,
-    pub version: Version,
-    pub source: Source,
-}
-
-#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
-pub enum Source {
-    Git(Url),
-    Path(Url),
-    Registry(Url),
-}
-
-impl FromStr for CrateVersionSource {
-    type Err = CvsParseError;
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s.splitn(3, ' ').collect::<Vec<_>>()[..] {
-            [name, version, source] => {
-                let version = version.parse()?;
-                let source = match source
-                    .trim_matches(&['(', ')'][..])
-                    .splitn(2, '+')
-                    .collect::<Vec<_>>()[..]
-                {
-                    ["git", url] => Source::Git(Url::parse(url)?),
-                    ["path", url] => Source::Path(Url::parse(url)?),
-                    ["registry", url] => Source::Registry(Url::parse(url)?),
-                    [kind, arg] => {
-                        return Err(CvsParseError::UnknownSourceType {
-                            kind: kind.to_string(),
-                            arg: arg.to_string(),
-                        })
-                    }
-                    _ => return Err(CvsParseError::BadSource),
-                };
-                Ok(Self {
-                    name: name.to_string(),
-                    version,
-                    source,
-                })
-            }
-            _ => Err(CvsParseError::BadFormat),
-        }
-    }
-}
-
-#[derive(Debug, Diagnostic, Error)]
-pub enum CvsParseError {
-    #[error(transparent)]
-    UrlParse(#[from] url::ParseError),
-
-    #[error(transparent)]
-    VersionParse(#[from] semver::Error),
-
-    #[error("unknown source type {kind}+{arg}")]
-    UnknownSourceType { kind: String, arg: String },
-
-    #[error("bad source format")]
-    BadSource,
-
-    #[error("bad CVS format")]
-    BadFormat,
-}
-
-impl fmt::Display for CrateVersionSource {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let Self {
-            name,
-            version,
-            source,
-        } = &self;
-        write!(f, "{name} {version} ({source})")
-    }
-}
-
-impl fmt::Display for Source {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Source::Git(url) => write!(f, "git+{url}"),
-            Source::Path(url) => write!(f, "path+{url}"),
-            Source::Registry(url) => write!(f, "registry+{url}"),
-        }
-    }
-}
+pub mod v1;
+pub mod v2;
diff --git a/src/metafiles/cvs.rs b/src/metafiles/cvs.rs
new file mode 100644
index 00000000..a111d02f
--- /dev/null
+++ b/src/metafiles/cvs.rs
@@ -0,0 +1,111 @@
+use std::{fmt, str::FromStr};
+
+use miette::Diagnostic;
+use semver::Version;
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use thiserror::Error;
+use url::Url;
+
+#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
+pub struct CrateVersionSource {
+    pub name: String,
+    pub version: Version,
+    pub source: Source,
+}
+
+#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
+pub enum Source {
+    Git(Url),
+    Path(Url),
+    Registry(Url),
+}
+
+impl FromStr for CrateVersionSource {
+    type Err = CvsParseError;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s.splitn(3, ' ').collect::<Vec<_>>()[..] {
+            [name, version, source] => {
+                let version = version.parse()?;
+                let source = match source
+                    .trim_matches(&['(', ')'][..])
+                    .splitn(2, '+')
+                    .collect::<Vec<_>>()[..]
+                {
+                    ["git", url] => Source::Git(Url::parse(url)?),
+                    ["path", url] => Source::Path(Url::parse(url)?),
+                    ["registry", url] => Source::Registry(Url::parse(url)?),
+                    [kind, arg] => {
+                        return Err(CvsParseError::UnknownSourceType {
+                            kind: kind.to_string(),
+                            arg: arg.to_string(),
+                        })
+                    }
+                    _ => return Err(CvsParseError::BadSource),
+                };
+                Ok(Self {
+                    name: name.to_string(),
+                    version,
+                    source,
+                })
+            }
+            _ => Err(CvsParseError::BadFormat),
+        }
+    }
+}
+
+#[derive(Debug, Diagnostic, Error)]
+pub enum CvsParseError {
+    #[error(transparent)]
+    UrlParse(#[from] url::ParseError),
+
+    #[error(transparent)]
+    VersionParse(#[from] semver::Error),
+
+    #[error("unknown source type {kind}+{arg}")]
+    UnknownSourceType { kind: String, arg: String },
+
+    #[error("bad source format")]
+    BadSource,
+
+    #[error("bad CVS format")]
+    BadFormat,
+}
+
+impl fmt::Display for CrateVersionSource {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let Self {
+            name,
+            version,
+            source,
+        } = &self;
+        write!(f, "{name} {version} ({source})")
+    }
+}
+
+impl fmt::Display for Source {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Source::Git(url) => write!(f, "git+{url}"),
+            Source::Path(url) => write!(f, "path+{url}"),
+            Source::Registry(url) => write!(f, "registry+{url}"),
+        }
+    }
+}
+
+impl Serialize for CrateVersionSource {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(&self.to_string())
+    }
+}
+
+impl<'de> Deserialize<'de> for CrateVersionSource {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        Self::from_str(&String::deserialize(deserializer)?).map_err(serde::de::Error::custom)
+    }
+}
diff --git a/src/metafiles/v1.rs b/src/metafiles/v1.rs
new file mode 100644
index 00000000..1180814a
--- /dev/null
+++ b/src/metafiles/v1.rs
@@ -0,0 +1,67 @@
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    fs,
+    path::{Path, PathBuf},
+    str::FromStr,
+};
+
+use miette::Diagnostic;
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+
+use super::CrateVersionSource;
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct CratesToml {
+    v1: BTreeMap<CrateVersionSource, BTreeSet<String>>,
+}
+
+impl CratesToml {
+    pub fn default_path() -> Result<PathBuf, CratesTomlParseError> {
+        Ok(home::cargo_home()?.join(".crates.toml"))
+    }
+
+    pub fn load() -> Result<Self, CratesTomlParseError> {
+        Self::load_from_path(Self::default_path()?)
+    }
+
+    pub fn load_from_path(path: impl AsRef<Path>) -> Result<Self, CratesTomlParseError> {
+        let file = fs::read_to_string(path)?;
+        Self::from_str(&file)
+    }
+
+    pub fn insert(&mut self, cvs: CrateVersionSource, bins: BTreeSet<String>) {
+        self.v1.insert(cvs, bins);
+    }
+
+    pub fn write(&self) -> Result<(), CratesTomlParseError> {
+        self.write_to_path(Self::default_path()?)
+    }
+
+    pub fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), CratesTomlParseError> {
+        fs::write(path, &toml::to_vec(&self)?)?;
+        Ok(())
+    }
+}
+
+impl FromStr for CratesToml {
+    type Err = CratesTomlParseError;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(toml::from_str(s)?)
+    }
+}
+
+#[derive(Debug, Diagnostic, Error)]
+pub enum CratesTomlParseError {
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+
+    #[error(transparent)]
+    TomlParse(#[from] toml::de::Error),
+
+    #[error(transparent)]
+    TomlWrite(#[from] toml::ser::Error),
+
+    #[error(transparent)]
+    CvsParse(#[from] super::CvsParseError),
+}
diff --git a/src/metafiles/v2.rs b/src/metafiles/v2.rs
new file mode 100644
index 00000000..70c4e46e
--- /dev/null
+++ b/src/metafiles/v2.rs
@@ -0,0 +1,78 @@
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    fs,
+    path::{Path, PathBuf},
+};
+
+use miette::Diagnostic;
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+
+use super::CrateVersionSource;
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct Crates2Json {
+    pub installs: BTreeMap<CrateVersionSource, CrateInfo>,
+}
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct CrateInfo {
+    #[serde(default)]
+    pub version_req: Option<String>,
+
+    #[serde(default)]
+    pub bins: BTreeSet<String>,
+
+    #[serde(default)]
+    pub features: BTreeSet<String>,
+
+    #[serde(default)]
+    pub all_features: bool,
+
+    #[serde(default)]
+    pub no_default_features: bool,
+
+    pub profile: String,
+    pub target: String,
+    pub rustc: String,
+}
+
+impl Crates2Json {
+    pub fn default_path() -> Result<PathBuf, Crates2JsonParseError> {
+        Ok(home::cargo_home()?.join(".crates2.json"))
+    }
+
+    pub fn load() -> Result<Self, Crates2JsonParseError> {
+        Self::load_from_path(Self::default_path()?)
+    }
+
+    pub fn load_from_path(path: impl AsRef<Path>) -> Result<Self, Crates2JsonParseError> {
+        let file = fs::read_to_string(path)?;
+        Ok(serde_json::from_str(&file)?)
+    }
+
+    pub fn insert(&mut self, cvs: CrateVersionSource, info: CrateInfo) {
+        self.installs.insert(cvs, info);
+    }
+
+    pub fn write(&self) -> Result<(), Crates2JsonParseError> {
+        self.write_to_path(Self::default_path()?)
+    }
+
+    pub fn write_to_path(&self, path: impl AsRef<Path>) -> Result<(), Crates2JsonParseError> {
+        fs::write(path, &serde_json::to_vec(&self)?)?;
+        Ok(())
+    }
+}
+
+#[derive(Debug, Diagnostic, Error)]
+pub enum Crates2JsonParseError {
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+
+    #[error(transparent)]
+    Json(#[from] serde_json::Error),
+
+    #[error(transparent)]
+    CvsParse(#[from] super::CvsParseError),
+}