diff --git a/Cargo.lock b/Cargo.lock
index 6c49b686..a146fc76 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -149,19 +149,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "chrono"
-version = "0.4.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
-dependencies = [
- "libc",
- "num-integer",
- "num-traits",
- "time",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "clang-sys"
 version = "1.3.0"
@@ -689,16 +676,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "num-integer"
-version = "0.1.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.14"
@@ -845,11 +822,11 @@ name = "oxigraph_testsuite"
 version = "0.3.0-dev"
 dependencies = [
  "anyhow",
- "chrono",
  "clap",
  "criterion",
  "oxigraph",
  "text-diff",
+ "time",
 ]
 
 [[package]]
@@ -1368,9 +1345,9 @@ checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
 
 [[package]]
 name = "serde"
-version = "1.0.130"
+version = "1.0.131"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
+checksum = "b4ad69dfbd3e45369132cc64e6748c2d65cdfb001a2b1c232d128b4ad60561c1"
 
 [[package]]
 name = "serde_cbor"
@@ -1384,9 +1361,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.130"
+version = "1.0.131"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
+checksum = "b710a83c4e0dff6a3d511946b95274ad9ca9e5d3ae497b63fda866ac955358d2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1581,12 +1558,12 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.43"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+checksum = "41effe7cfa8af36f439fac33861b66b049edc6f9a32331e2312660529c1c24ad"
 dependencies = [
+ "itoa",
  "libc",
- "winapi 0.3.9",
 ]
 
 [[package]]
diff --git a/README.md b/README.md
index c5dcca0f..b15def33 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Oxigraph
 [![PyPI](https://img.shields.io/pypi/v/pyoxigraph)](https://pypi.org/project/pyoxigraph/)
 [![npm](https://img.shields.io/npm/v/oxigraph)](https://www.npmjs.com/package/oxigraph)
 [![actions status](https://github.com/oxigraph/oxigraph/workflows/build/badge.svg)](https://github.com/oxigraph/oxigraph/actions)
+[![dependency status](https://deps.rs/repo/github/oxigraph/oxigraph/status.svg)](https://deps.rs/repo/github/oxigraph/oxigraph)
 [![Gitter](https://badges.gitter.im/oxigraph/community.svg)](https://gitter.im/oxigraph/community?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 Oxigraph is a graph database implementing the [SPARQL](https://www.w3.org/TR/sparql11-overview/) standard.
diff --git a/testsuite/Cargo.toml b/testsuite/Cargo.toml
index e745e307..a38ffd51 100644
--- a/testsuite/Cargo.toml
+++ b/testsuite/Cargo.toml
@@ -14,7 +14,7 @@ publish = false
 [dependencies]
 anyhow = "1"
 clap = "2"
-chrono = "0.4"
+time = { version = "0.3", features = ["formatting"] }
 oxigraph = { version = "0.3.0-dev", path="../lib" }
 text-diff = "0.4"
 
diff --git a/testsuite/src/evaluator.rs b/testsuite/src/evaluator.rs
index 7dbd8b80..ddde5cea 100644
--- a/testsuite/src/evaluator.rs
+++ b/testsuite/src/evaluator.rs
@@ -1,8 +1,8 @@
 use crate::manifest::Test;
 use crate::report::TestResult;
 use anyhow::{anyhow, Result};
-use chrono::Utc;
 use std::collections::HashMap;
+use time::OffsetDateTime;
 
 #[derive(Default)]
 pub struct TestEvaluator {
@@ -33,7 +33,7 @@ impl TestEvaluator {
                 Ok(TestResult {
                     test: test.id,
                     outcome,
-                    date: Utc::now(),
+                    date: OffsetDateTime::now_utc(),
                 })
             })
             .collect()
diff --git a/testsuite/src/report.rs b/testsuite/src/report.rs
index e9fb2e13..524e3b6d 100644
--- a/testsuite/src/report.rs
+++ b/testsuite/src/report.rs
@@ -1,14 +1,15 @@
 use anyhow::Result;
-use chrono::{DateTime, Utc};
 use oxigraph::model::{Dataset, NamedNode};
 use std::fmt::Write;
 use text_diff::{diff, Difference};
+use time::format_description::well_known::Rfc3339;
+use time::OffsetDateTime;
 
 #[derive(Debug)]
 pub struct TestResult {
     pub test: NamedNode,
     pub outcome: Result<()>,
-    pub date: DateTime<Utc>,
+    pub date: OffsetDateTime,
 }
 
 pub fn dataset_diff(expected: &Dataset, actual: &Dataset) -> String {
@@ -71,7 +72,7 @@ pub fn build_report(results: impl IntoIterator<Item = TestResult>) -> String {
     writeln!(
         &mut buffer,
         "\tdc:issued \"{}\"^^xsd:dateTime ;",
-        Utc::now().to_rfc3339()
+        OffsetDateTime::now_utc().format(&Rfc3339).unwrap()
     );
     writeln!(
         &mut buffer,
@@ -140,7 +141,7 @@ pub fn build_report(results: impl IntoIterator<Item = TestResult>) -> String {
         writeln!(
             &mut buffer,
             "\t\tdc:date \"{}\"^^xsd:dateTime",
-            result.date.to_rfc3339()
+            result.date.format(&Rfc3339).unwrap()
         );
         writeln!(&mut buffer, "\t] ;");
         writeln!(&mut buffer, "\tearl:mode earl:automatic");