diff --git a/packages/basemap/pyproject.toml b/packages/basemap/pyproject.toml
index 8ab927ff8..d5dfe2906 100644
--- a/packages/basemap/pyproject.toml
+++ b/packages/basemap/pyproject.toml
@@ -3,6 +3,6 @@ requires = [
     'setuptools',
     'wheel',
     'numpy == 2.0.0',
-    'cython >= 0.29, < 3.1',
+    'cython >= 0.29.31, < 3.1',
 ]
 build-backend = "setuptools.build_meta"
diff --git a/packages/basemap/requirements-setup.txt b/packages/basemap/requirements-setup.txt
index 6f39a1a05..d12bb0661 100644
--- a/packages/basemap/requirements-setup.txt
+++ b/packages/basemap/requirements-setup.txt
@@ -1,2 +1 @@
-cython >= 0.29, < 3.1; python_version >= "3.3" or python_version < "3.0"
-cython >= 0.26, < 0.27; python_version == "3.2"
+cython >= 0.29.31, < 3.1
diff --git a/packages/basemap/setup.py b/packages/basemap/setup.py
index 8d2bebdd0..3a16d3d64 100644
--- a/packages/basemap/setup.py
+++ b/packages/basemap/setup.py
@@ -162,7 +162,6 @@ def run(self):
 for ext in ext_modules:
     ext.cython_directives = [
         ("language_level", str(sys.version_info[0])),
-        ("legacy_implicit_noexcept", True),
     ][:1 + int(cython_major_version >= 3)]
 
 # Define all the different requirements.
diff --git a/packages/basemap/src/_geoslib.pyx b/packages/basemap/src/_geoslib.pyx
index 676ac4d4b..6d1e36914 100644
--- a/packages/basemap/src/_geoslib.pyx
+++ b/packages/basemap/src/_geoslib.pyx
@@ -112,7 +112,7 @@ cdef extern from "geos_c.h":
 # Cython 3: Next cdef needs "noexcept" declaration unless
 # the compiler directive "legacy_implicit_noexcept" is used
 # ("noexcept" syntax supported since Cython 0.29.31).
-cdef void notice_h(const char *fmt, ...):
+cdef void notice_h(const char *fmt, ...) noexcept:
     pass
     #format = PyBytes_FromString(fmt)
     #message = PyBytes_FromString(msg)