diff --git a/scrapely/_htmlpage.c b/scrapely/_htmlpage.c
index 74a469e..6a39110 100644
--- a/scrapely/_htmlpage.c
+++ b/scrapely/_htmlpage.c
@@ -325,13 +325,8 @@ END: Cython Metadata */
   #define __Pyx_DefaultClassType PyClass_Type
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-#if PY_VERSION_HEX < 0x030800A4
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-#else
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-#endif
   #define __Pyx_DefaultClassType PyType_Type
 #endif
 #ifndef Py_TPFLAGS_CHECKTYPES
diff --git a/scrapely/extraction/_similarity.c b/scrapely/extraction/_similarity.c
index ef56178..d6eca25 100644
--- a/scrapely/extraction/_similarity.c
+++ b/scrapely/extraction/_similarity.c
@@ -329,13 +329,8 @@ END: Cython Metadata */
   #define __Pyx_DefaultClassType PyClass_Type
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-#if PY_VERSION_HEX < 0x030800A4
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-#else
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
-          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-#endif
   #define __Pyx_DefaultClassType PyType_Type
 #endif
 #ifndef Py_TPFLAGS_CHECKTYPES
@@ -616,6 +611,23 @@ static CYTHON_INLINE float __PYX_NAN() {
 #include <stdio.h>
 #include "numpy/arrayobject.h"
 #include "numpy/ufuncobject.h"
+
+#if defined(NPY_2_0_API_VERSION) && (NPY_API_VERSION >= NPY_2_0_API_VERSION)
+
+#define SUBARRAY(p_array_d) (PyDataType_SUBARRAY(p_array_d))
+#define NAMES(p_array_d) (PyDataType_NAMES(p_array_d))
+#define FIELDS(p_array_d) (PyDataType_FIELDS(p_array_d))
+#define ELSIZE(p_array_d) (PyDataType_ELSIZE(p_array_d))
+
+#else
+
+#define SUBARRAY(p_array_d) (p_array_d->subarray)
+#define NAMES(p_array_d) (p_array_d->names)
+#define FIELDS(p_array_d) (p_array_d->fields)
+#define ELSIZE(p_array_d) (p_array_d->elsize)
+
+#endif
+
 #ifdef _OPENMP
 #include <omp.h>
 #endif /* _OPENMP */
@@ -5613,8 +5625,8 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyDataType_SHAPE(PyArray_Descr *__
  *         return ()
  */
     __Pyx_XDECREF(__pyx_r);
-    __Pyx_INCREF(((PyObject*)__pyx_v_d->subarray->shape));
-    __pyx_r = ((PyObject*)__pyx_v_d->subarray->shape);
+    __Pyx_INCREF(SUBARRAY(__pyx_v_d)->shape);
+    __pyx_r = SUBARRAY(__pyx_v_d)->shape;
     goto __pyx_L0;
 
     /* "../../.virtualenvs/scraping/lib/python3.7/site-packages/Cython/Includes/numpy/__init__.pxd":837
@@ -5709,11 +5721,12 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  *         fields = descr.fields[childname]
  *         child, new_offset = fields
  */
-  if (unlikely(__pyx_v_descr->names == Py_None)) {
+
+  if (unlikely(NAMES(__pyx_v_descr) == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
     __PYX_ERR(1, 851, __pyx_L1_error)
   }
-  __pyx_t_1 = __pyx_v_descr->names; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  __pyx_t_1 = NAMES(__pyx_v_descr); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
   for (;;) {
     if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
     #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
@@ -5732,11 +5745,11 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  *         child, new_offset = fields
  * 
  */
-    if (unlikely(__pyx_v_descr->fields == Py_None)) {
+    if (unlikely(FIELDS(__pyx_v_descr) == Py_None)) {
       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
       __PYX_ERR(1, 852, __pyx_L1_error)
     }
-    __pyx_t_3 = __Pyx_PyDict_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 852, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyDict_GetItem(FIELDS(__pyx_v_descr), __pyx_v_childname); if (unlikely(!__pyx_t_3)) __PYX_ERR(1, 852, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
     if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "tuple", Py_TYPE(__pyx_t_3)->tp_name), 0))) __PYX_ERR(1, 852, __pyx_L1_error)
     __Pyx_XDECREF_SET(__pyx_v_fields, ((PyObject*)__pyx_t_3));
@@ -5937,7 +5950,7 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  *         if not PyDataType_HASFIELDS(child):
  */
     __pyx_t_8 = 0;
-    (__pyx_v_offset[__pyx_t_8]) = ((__pyx_v_offset[__pyx_t_8]) + __pyx_v_child->elsize);
+    (__pyx_v_offset[__pyx_t_8]) = ((__pyx_v_offset[__pyx_t_8]) + ELSIZE(__pyx_v_child));
 
     /* "../../.virtualenvs/scraping/lib/python3.7/site-packages/Cython/Includes/numpy/__init__.pxd":877
  *         offset[0] += child.itemsize
diff --git a/setup.py b/setup.py
index a1a5b8c..f500420 100755
--- a/setup.py
+++ b/setup.py
@@ -16,10 +16,16 @@
 extensions = [
     Extension("scrapely._htmlpage",
               ["scrapely/_htmlpage%s" % ext],
-              include_dirs=include_dirs),
+              include_dirs=include_dirs,
+              extra_compile_args=[
+                  '-Wno-deprecated-declarations',
+                  '-Wno-int-conversion']),
     Extension("scrapely.extraction._similarity",
               ["scrapely/extraction/_similarity%s" % ext],
-              include_dirs=include_dirs),
+              include_dirs=include_dirs,
+              extra_compile_args=[
+                  '-Wno-deprecated-declarations',
+                  '-Wno-int-conversion']),
 ]
 if USE_CYTHON and not IS_PYPY:
     from Cython.Build import cythonize
@@ -44,11 +50,11 @@
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Text Processing :: Markup :: HTML',
     ],