diff --git a/Cargo.toml b/Cargo.toml
index 2a841f4..ad37f0d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,6 @@ ring = "0.16.20"
 rustls-pemfile = "1"
 serde = { version = "1.0.183", features = ["derive"] }
 tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
-webpki = { package = "rustls-webpki", version = "0.102.0-alpha.2" }
+webpki = { package = "rustls-webpki", version = "=0.102.0-alpha.3" }
 x509-parser = "0.15.1"
 yasna = "0.5.2"
diff --git a/tests/verify.rs b/tests/verify.rs
index 5f24ba3..353a4fe 100644
--- a/tests/verify.rs
+++ b/tests/verify.rs
@@ -1,8 +1,9 @@
+use core::time::Duration;
 use std::convert::TryFrom;
 
-use pki_types::{CertificateDer, SignatureVerificationAlgorithm};
+use pki_types::{CertificateDer, SignatureVerificationAlgorithm, UnixTime};
 use rcgen::{BasicConstraints, Certificate, CertificateParams, DnType, IsCa, KeyUsagePurpose};
-use webpki::{extract_trust_anchor, EndEntityCert, Error, KeyUsage, SubjectNameRef, Time};
+use webpki::{extract_trust_anchor, EndEntityCert, Error, KeyUsage, SubjectNameRef};
 use x509_parser::extensions::{GeneralName, NameConstraints as X509ParserNameConstraints};
 use x509_parser::prelude::FromDer;
 
@@ -14,7 +15,7 @@ fn name_constraints() {
         .iter()
         .filter_map(|ta| ta.name_constraints.as_ref())
     {
-        let time = Time::from_seconds_since_unix_epoch(0x40000000); // Time matching rcgen default.
+        let time = UnixTime::since_unix_epoch(Duration::from_secs(0x40000000)); // Time matching rcgen default.
         let test_case = ConstraintTest::new(name_constraints.as_ref());
         let trust_anchors = &[extract_trust_anchor(&test_case.trust_anchor).unwrap()];
 
@@ -164,7 +165,7 @@ fn tubitak_name_constraint_works() {
     let subj = CertificateDer::from(&include_bytes!("data/tubitak/subj.der")[..]);
 
     let roots = [extract_trust_anchor(&root).unwrap().to_owned()];
-    let now = Time::from_seconds_since_unix_epoch(1493668479);
+    let now = UnixTime::since_unix_epoch(Duration::from_secs(1493668479));
     let cert = EndEntityCert::try_from(&subj).unwrap();
     cert.verify_for_usage(
         ALL_ALGORITHMS,