diff --git a/python/kenlm.cpp b/python/kenlm.cpp
index 3e48bf62..a45fcb51 100644
--- a/python/kenlm.cpp
+++ b/python/kenlm.cpp
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.29.33 */
+/* Generated by Cython 0.29.35 */
 
 #ifndef PY_SSIZE_T_CLEAN
 #define PY_SSIZE_T_CLEAN
@@ -9,8 +9,8 @@
 #elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
     #error Cython requires Python 2.6+ or Python 3.3+.
 #else
-#define CYTHON_ABI "0_29_33"
-#define CYTHON_HEX_VERSION 0x001D21F0
+#define CYTHON_ABI "0_29_35"
+#define CYTHON_HEX_VERSION 0x001D23F0
 #define CYTHON_FUTURE_DIVISION 1
 #include <stddef.h>
 #ifndef offsetof
@@ -78,8 +78,12 @@
   #define CYTHON_FAST_THREAD_STATE 0
   #undef CYTHON_FAST_PYCALL
   #define CYTHON_FAST_PYCALL 0
-  #undef CYTHON_PEP489_MULTI_PHASE_INIT
-  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #if PY_VERSION_HEX < 0x03090000
+    #undef CYTHON_PEP489_MULTI_PHASE_INIT
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 0
+  #elif !defined(CYTHON_PEP489_MULTI_PHASE_INIT)
+    #define CYTHON_PEP489_MULTI_PHASE_INIT 1
+  #endif
   #undef CYTHON_USE_TP_FINALIZE
   #define CYTHON_USE_TP_FINALIZE 0
   #undef CYTHON_USE_DICT_VERSIONS
@@ -203,7 +207,7 @@
     #undef CYTHON_USE_PYLONG_INTERNALS
     #define CYTHON_USE_PYLONG_INTERNALS 0
   #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
-    #define CYTHON_USE_PYLONG_INTERNALS 1
+    #define CYTHON_USE_PYLONG_INTERNALS (PY_VERSION_HEX < 0x030C00A5)
   #endif
   #ifndef CYTHON_USE_PYLIST_INTERNALS
     #define CYTHON_USE_PYLIST_INTERNALS 1
@@ -242,7 +246,7 @@
     #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
   #endif
   #ifndef CYTHON_USE_DICT_VERSIONS
-    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
+    #define CYTHON_USE_DICT_VERSIONS ((PY_VERSION_HEX >= 0x030600B1) && (PY_VERSION_HEX < 0x030C00A5))
   #endif
   #if PY_VERSION_HEX >= 0x030B00A4
     #undef CYTHON_USE_EXC_INFO_STACK
@@ -6038,7 +6042,7 @@ static PyTypeObject __pyx_type_5kenlm_FullScoreReturn = {
   #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
   0, /*tp_print*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
   0, /*tp_pypy_flags*/
   #endif
 };
@@ -6143,7 +6147,7 @@ static PyTypeObject __pyx_type_5kenlm_State = {
   #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
   0, /*tp_print*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
   0, /*tp_pypy_flags*/
   #endif
 };
@@ -6295,7 +6299,7 @@ static PyTypeObject __pyx_type_5kenlm_Config = {
   #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
   0, /*tp_print*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
   0, /*tp_pypy_flags*/
   #endif
 };
@@ -6448,7 +6452,7 @@ static PyTypeObject __pyx_type_5kenlm_Model = {
   #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
   0, /*tp_print*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
   0, /*tp_pypy_flags*/
   #endif
 };
@@ -6587,7 +6591,7 @@ static PyTypeObject __pyx_type_5kenlm___pyx_scope_struct__full_scores = {
   #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
   0, /*tp_print*/
   #endif
-  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+  #if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
   0, /*tp_pypy_flags*/
   #endif
 };
@@ -7809,13 +7813,7 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
     }
     PyErr_SetObject(type, value);
     if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
-#else
+#if CYTHON_FAST_THREAD_STATE
         PyThreadState *tstate = __Pyx_PyThreadState_Current;
         PyObject* tmp_tb = tstate->curexc_traceback;
         if (tb != tmp_tb) {
@@ -7823,6 +7821,12 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
             tstate->curexc_traceback = tb;
             Py_XDECREF(tmp_tb);
         }
+#else
+        PyObject *tmp_type, *tmp_value, *tmp_tb;
+        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
+        Py_INCREF(tb);
+        PyErr_Restore(tmp_type, tmp_value, tb);
+        Py_XDECREF(tmp_tb);
 #endif
     }
 bad:
@@ -8965,7 +8969,7 @@ static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
                     break;
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -9275,7 +9279,7 @@ static CYTHON_INLINE enum util::LoadMethod __Pyx_PyInt_As_enum__util_3a__3a_Load
                     break;
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -9471,7 +9475,7 @@ static CYTHON_INLINE enum lm::ngram::Config::ARPALoadComplain __Pyx_PyInt_As_enu
                     break;
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -9781,7 +9785,7 @@ static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
                     break;
             }
 #endif
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030C00A7
             if (unlikely(Py_SIZE(x) < 0)) {
                 goto raise_neg_overflow;
             }
@@ -11150,7 +11154,10 @@ static PyTypeObject __pyx_GeneratorType_type = {
 #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
     0,
 #endif
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000
+#if PY_VERSION_HEX >= 0x030C0000
+    0,
+#endif
+#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX >= 0x03090000 && PY_VERSION_HEX < 0x030a0000
     0,
 #endif
 };