diff --git a/src/requests/utils.py b/src/requests/utils.py
index fff6edf4be..4439dfe989 100644
--- a/src/requests/utils.py
+++ b/src/requests/utils.py
@@ -988,7 +988,7 @@ def parse_header_links(value: str) -> list[dict[str, str]]:
 
         for param in params.split(";"):
             try:
-                key, value = param.split("=")
+                key, value = param.split("=", 1)
             except ValueError:
                 break
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 091a9fd6f3..9bc5843f02 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -690,6 +690,12 @@ def test_iter_slices(value, length):
                 {"url": "http://.../back.jpeg"},
             ],
         ),
+        (
+            # A quoted parameter value may itself contain "=" (RFC 8288);
+            # it must be kept and must not drop the parameters after it.
+            '<http:/.../front.jpeg>; title="a=b"; rel="next"',
+            [{"url": "http:/.../front.jpeg", "title": "a=b", "rel": "next"}],
+        ),
         ("", []),
     ),
 )