diff --git a/rustls-platform-verifier/src/tests/mod.rs b/rustls-platform-verifier/src/tests/mod.rs
index ff61eb07..ba2aa6c1 100644
--- a/rustls-platform-verifier/src/tests/mod.rs
+++ b/rustls-platform-verifier/src/tests/mod.rs
@@ -62,8 +62,8 @@ pub fn assert_cert_error_eq<E: StdError + PartialEq + 'static>(
 /// we know the test certificates are valid. This must be updated if the mock certificates
 /// are regenerated.
 pub(crate) fn verification_time() -> pki_types::UnixTime {
-    // Thu, 11 June 2026 10:00 UTC
-    pki_types::UnixTime::since_unix_epoch(Duration::from_secs(1_781_172_000))
+    // Wed, 12 Aug 2026 10:23 UTC
+    pki_types::UnixTime::since_unix_epoch(Duration::from_secs(1_786_530_173))
 }
 
 fn test_provider() -> Arc<CryptoProvider> {
diff --git a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_1.crt b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_1.crt
index 58d1c26c..b63ff84e 100644
Binary files a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_1.crt and b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_1.crt differ
diff --git a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_2.crt b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_2.crt
index 3041ebe9..16d0fc4b 100644
Binary files a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_2.crt and b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_2.crt differ
diff --git a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_3.crt b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_3.crt
new file mode 100644
index 00000000..7354d428
Binary files /dev/null and b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_3.crt differ
diff --git a/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_4.crt b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_4.crt
new file mode 100644
index 00000000..6e068804
Binary files /dev/null and b/rustls-platform-verifier/src/tests/verification_real_world/letsencrypt_org_valid_4.crt differ
diff --git a/rustls-platform-verifier/src/tests/verification_real_world/mod.rs b/rustls-platform-verifier/src/tests/verification_real_world/mod.rs
index eeb3deb6..bf8d7dab 100644
--- a/rustls-platform-verifier/src/tests/verification_real_world/mod.rs
+++ b/rustls-platform-verifier/src/tests/verification_real_world/mod.rs
@@ -95,6 +95,8 @@ const LETSENCRYPT_ORG: &str = "letsencrypt.org";
 const VALID_LETSENCRYPT_ORG_CHAIN: &[&[u8]] = &[
     include_bytes!("letsencrypt_org_valid_1.crt"),
     include_bytes!("letsencrypt_org_valid_2.crt"),
+    include_bytes!("letsencrypt_org_valid_3.crt"),
+    include_bytes!("letsencrypt_org_valid_4.crt"),
 ];
 
 macro_rules! real_world_test_cases {