diff --git a/Cargo.lock b/Cargo.lock
index 9cfc74ed7..d85be16b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,10 +2,10 @@
 # It is not intended for manual editing.
 [[package]]
 name = "aho-corasick"
-version = "0.7.6"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -13,111 +13,136 @@ name = "ansi_term"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "arrayref"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "atty"
-version = "0.2.11"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
-version = "1.0.4"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "block-buffer"
-version = "0.3.3"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "blog"
 version = "0.1.0"
 dependencies = [
- "comrak 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "comrak 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "handlebars 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "handlebars 3.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "sass-rs 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
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- "serde_yaml 0.8.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sass-rs 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.105 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.105 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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- "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "typed-arena 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "twoway 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typed-arena 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode_categories 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "dtoa"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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@@ -137,31 +162,37 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
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-version = "0.9.0"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+version = "3.0.1"
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- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.105 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -171,251 +202,255 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
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-version = "0.2.44"
+version = "0.2.68"
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- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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-version = "1.0.1"
+version = "1.0.2"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
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+name = "num-integer"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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- "pest 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pest 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
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-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-]
-
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- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "regex-syntax 0.6.17 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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 [[package]]
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- "winapi-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "sass-sys 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
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- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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-version = "1.0.80"
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 [[package]]
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- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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 dependencies = [
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diff --git a/Cargo.toml b/Cargo.toml
index 6ff29464d..e05bbc526 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,14 +5,14 @@ authors = ["Steve Klabnik <steve@steveklabnik.com>"]
 edition = "2018"
 
 [dependencies]
-handlebars = "1.1.0"
+handlebars = { version = "3", features = ["dir_source"] }
 lazy_static = "1.4.0"
 serde = "1.0"
 serde_derive = "1.0"
 serde_yaml = "0.8"
 serde_json = "1.0"
-comrak = "0.4"
+comrak = "0.7"
 fs_extra = "1.1.0"
 regex = "1.3"
 sass-rs = "0.2.1"
-time = "0.1.41"
\ No newline at end of file
+chrono = "0.4.11"
diff --git a/src/main.rs b/src/main.rs
index bf250a214..2f93d8f4d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,8 +13,8 @@ use std::fs::{self, File};
 use std::io::Write;
 use std::path::{Path, PathBuf};
 
-struct Generator {
-    handlebars: Handlebars,
+struct Generator<'a> {
+    handlebars: Handlebars<'a>,
     blogs: Vec<Blog>,
     out_directory: PathBuf,
 }
@@ -46,11 +46,11 @@ handlebars_helper!(hb_month_name_helper: |month_num: u64| match month_num {
     _ => "Error!",
 });
 
-impl Generator {
+impl<'a> Generator<'a> {
     fn new(
         out_directory: impl AsRef<Path>,
         posts_directory: impl AsRef<Path>,
-    ) -> Result<Generator, Box<dyn Error>> {
+    ) -> Result<Self, Box<dyn Error>> {
         let mut handlebars = Handlebars::new();
         handlebars.set_strict_mode(true);
         handlebars.register_templates_directory(".hbs", "templates")?;
@@ -162,7 +162,7 @@ impl Generator {
         let data = json!({
             "blog": blog,
             "posts": posts,
-            "feed_updated": time::now_utc().rfc3339().to_string(),
+            "feed_updated": chrono::Utc::now().to_rfc3339(),
         });
 
         self.render_template(blog.prefix().join("feed.xml"), "feed", data)?;
@@ -185,7 +185,7 @@ impl Generator {
             .collect();
         let data = Releases {
             releases: releases,
-            feed_updated: time::now_utc().rfc3339().to_string(),
+            feed_updated: chrono::Utc::now().to_rfc3339(),
         };
         fs::write(
             self.out_directory.join(blog.prefix()).join("releases.json"),
diff --git a/src/posts.rs b/src/posts.rs
index ba2c50f89..e38982f2c 100644
--- a/src/posts.rs
+++ b/src/posts.rs
@@ -4,7 +4,6 @@ use regex::Regex;
 use serde_derive::{Deserialize, Serialize};
 use std::error::Error;
 use std::path::{Path, PathBuf};
-use time::{Duration, Tm};
 
 #[derive(Debug, PartialEq, Deserialize)]
 struct YamlHeader {
@@ -22,7 +21,7 @@ pub(crate) struct Post {
     pub(crate) layout: String,
     pub(crate) title: String,
     pub(crate) author: String,
-    pub(crate) year: u32,
+    pub(crate) year: i32,
     pub(crate) show_year: bool,
     pub(crate) month: u32,
     pub(crate) day: u32,
@@ -45,7 +44,7 @@ impl Post {
         let mut split = filename.splitn(4, "-");
 
         // we do some unwraps because these need to be valid
-        let year = split.next().unwrap().parse::<u32>().unwrap();
+        let year = split.next().unwrap().parse::<i32>().unwrap();
         let month = split.next().unwrap().parse::<u32>().unwrap();
         let day = split.next().unwrap().parse::<u32>().unwrap();
         let filename = split.next().unwrap().to_string();
@@ -77,7 +76,13 @@ impl Post {
         url.set_extension("html");
 
         // this is fine
-        let url = format!("{:04}/{:02}/{:02}/{}", year, month, day, url.to_str().unwrap());
+        let url = format!(
+            "{:04}/{:02}/{:02}/{}",
+            year,
+            month,
+            day,
+            url.to_str().unwrap()
+        );
 
         let published = build_post_time(year, month, day, 0);
         let updated = published.clone();
@@ -138,31 +143,15 @@ impl Post {
         })
     }
 
-    pub fn set_updated(&mut self, hour: u32) {
-        self.updated = build_post_time(self.year, self.month, self.day, hour);
+    pub fn set_updated(&mut self, seconds: u32) {
+        self.updated = build_post_time(self.year, self.month, self.day, seconds);
     }
 }
 
-fn build_post_time(year: u32, month: u32, day: u32, seconds: u32) -> String {
-    let seconds = Duration::seconds(seconds as i64);
-    if seconds >= Duration::days(1) {
-        panic!("seconds must be less then a day")
-    };
-    // build the time. this is only approximate, which is fine.
-    let mut time = Tm {
-        tm_sec: 0,
-        tm_min: 0,
-        tm_hour: 0,
-        tm_mday: day as i32,
-        tm_mon: (month as i32) - 1,    // 0-11 not 1-12
-        tm_year: (year as i32) - 1900, // from the year 1900, not the actual year
-        // these next two fields are wrong but we never use them to generate our times
-        tm_wday: 1,
-        tm_yday: 1,
-        tm_isdst: 0,
-        tm_utcoff: 0,
-        tm_nsec: 0,
-    };
-    time = time + seconds;
-    time.rfc3339().to_string()
+fn build_post_time(year: i32, month: u32, day: u32, seconds: u32) -> String {
+    chrono::DateTime::<chrono::Utc>::from_utc(
+        chrono::NaiveDate::from_ymd(year, month, day).and_hms(0, 0, seconds),
+        chrono::Utc,
+    )
+    .to_rfc3339()
 }