diff --git a/Cargo.toml b/Cargo.toml
index 7908ad0..414fbcc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/PoiScript/orgize"
 readme = "README.md"
 edition = "2018"
 license = "MIT"
-keywords = ["orgmode","emacs","parser"]
+keywords = ["orgmode", "emacs", "parser"]
 
 [badges]
 travis-ci = { repository = "PoiScript/orgize" }
@@ -17,13 +17,13 @@ default = ["serde", "chrono"]
 extra-serde-info = []
 
 [dependencies]
-bytecount = "0.5"
-chrono = { version = "0.4", optional = true }
+bytecount = "0.5.1"
+chrono = { version = "0.4.7", optional = true }
 indextree = "3.2.0"
-jetscii = "0.4"
-memchr = "2"
-serde = { version = "1.0.93", features = ["derive"], optional = true }
-serde_json = "1.0.39"
+jetscii = "0.4.4"
+memchr = "2.2.0"
+serde = { version = "1.0.93", optional = true }
 
 [dev-dependencies]
+serde_json = "1.0.39"
 slugify = "0.1.0"
diff --git a/examples/json.rs b/examples/json.rs
new file mode 100644
index 0000000..b44b529
--- /dev/null
+++ b/examples/json.rs
@@ -0,0 +1,19 @@
+use orgize::Org;
+use serde_json::to_string;
+use std::env::args;
+use std::fs;
+use std::io::Result;
+
+fn main() -> Result<()> {
+    let args: Vec<_> = args().collect();
+
+    if args.len() < 2 {
+        eprintln!("Usage: {} <org-file>", args[0]);
+    } else {
+        let contents = String::from_utf8(fs::read(&args[1])?).unwrap();
+        let mut org = Org::new(&contents);
+        org.parse();
+        println!("{}", to_string(&org).unwrap());
+    }
+    Ok(())
+}