diff --git a/components/net/tests/cookie.rs b/components/net/tests/cookie.rs
index 9a2546ab469..c47cb5ffe18 100644
--- a/components/net/tests/cookie.rs
+++ b/components/net/tests/cookie.rs
@@ -423,7 +423,7 @@ fn test_cookie_eviction_expired() {
         );
         vec.push(st);
     }
-    vec.push("foo=bar; Secure; expires=Sun, 18-Apr-2027 21:06:29 GMT".to_owned());
+    vec.push("foo=bar; Secure; expires=Sun, 18-Apr-2127 21:06:29 GMT".to_owned());
     let r = add_retrieve_cookies(
         "https://home.example.org:8888/cookie-parser?0001",
         &vec,
@@ -437,13 +437,13 @@ fn test_cookie_eviction_all_secure_one_nonsecure() {
     let mut vec = Vec::new();
     for i in 1..5 {
         let st = format!(
-            "extra{}=bar; Secure; expires=Sun, 18-Apr-2026 21:06:29 GMT",
+            "extra{}=bar; Secure; expires=Sun, 18-Apr-2126 21:06:29 GMT",
             i
         );
         vec.push(st);
     }
-    vec.push("foo=bar; expires=Sun, 18-Apr-2026 21:06:29 GMT".to_owned());
-    vec.push("foo2=bar; Secure; expires=Sun, 18-Apr-2028 21:06:29 GMT".to_owned());
+    vec.push("foo=bar; expires=Sun, 18-Apr-2126 21:06:29 GMT".to_owned());
+    vec.push("foo2=bar; Secure; expires=Sun, 18-Apr-2128 21:06:29 GMT".to_owned());
     let r = add_retrieve_cookies(
         "https://home.example.org:8888/cookie-parser?0001",
         &vec,
@@ -460,12 +460,12 @@ fn test_cookie_eviction_all_secure_new_nonsecure() {
     let mut vec = Vec::new();
     for i in 1..6 {
         let st = format!(
-            "extra{}=bar; Secure; expires=Sun, 18-Apr-2026 21:06:29 GMT",
+            "extra{}=bar; Secure; expires=Sun, 18-Apr-2126 21:06:29 GMT",
             i
         );
         vec.push(st);
     }
-    vec.push("foo=bar; expires=Sun, 18-Apr-2077 21:06:29 GMT".to_owned());
+    vec.push("foo=bar; expires=Sun, 18-Apr-2177 21:06:29 GMT".to_owned());
     let r = add_retrieve_cookies(
         "https://home.example.org:8888/cookie-parser?0001",
         &vec,
@@ -481,10 +481,10 @@ fn test_cookie_eviction_all_secure_new_nonsecure() {
 fn test_cookie_eviction_all_nonsecure_new_secure() {
     let mut vec = Vec::new();
     for i in 1..6 {
-        let st = format!("extra{}=bar; expires=Sun, 18-Apr-2026 21:06:29 GMT", i);
+        let st = format!("extra{}=bar; expires=Sun, 18-Apr-2126 21:06:29 GMT", i);
         vec.push(st);
     }
-    vec.push("foo=bar; Secure; expires=Sun, 18-Apr-2077 21:06:29 GMT".to_owned());
+    vec.push("foo=bar; Secure; expires=Sun, 18-Apr-2177 21:06:29 GMT".to_owned());
     let r = add_retrieve_cookies(
         "https://home.example.org:8888/cookie-parser?0001",
         &vec,
@@ -500,10 +500,10 @@ fn test_cookie_eviction_all_nonsecure_new_secure() {
 fn test_cookie_eviction_all_nonsecure_new_nonsecure() {
     let mut vec = Vec::new();
     for i in 1..6 {
-        let st = format!("extra{}=bar; expires=Sun, 18-Apr-2026 21:06:29 GMT", i);
+        let st = format!("extra{}=bar; expires=Sun, 18-Apr-2126 21:06:29 GMT", i);
         vec.push(st);
     }
-    vec.push("foo=bar; expires=Sun, 18-Apr-2077 21:06:29 GMT".to_owned());
+    vec.push("foo=bar; expires=Sun, 18-Apr-2177 21:06:29 GMT".to_owned());
     let r = add_retrieve_cookies(
         "https://home.example.org:8888/cookie-parser?0001",
         &vec,