diff --git a/backport-CVE-2024-21506.patch b/backport-CVE-2024-21506.patch
deleted file mode 100644
index 6159b636582373682dbd5bc6534089fa271b6d45..0000000000000000000000000000000000000000
--- a/backport-CVE-2024-21506.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 56b6b6dbc267d365d97c037082369dabf37405d2 Mon Sep 17 00:00:00 2001
-From: Shane Harvey <shnhrv@gmail.com>
-Date: Wed, 27 Mar 2024 16:51:23 -0700
-Subject: [PATCH] PYTHON-4305 Fix bson size check (#1564)
-
-(cherry picked from commit 372b5d68d5a57ccc43b33407cd23f0bc79d99283)
----
- bson/_cbsonmodule.c | 11 +++++------
- 1 file changed, 5 insertions(+), 6 deletions(-)
-
-diff --git a/bson/_cbsonmodule.c b/bson/_cbsonmodule.c
-index 4e1881a275..da86cd8133 100644
---- a/bson/_cbsonmodule.c
-+++ b/bson/_cbsonmodule.c
-@@ -2405,6 +2405,7 @@ static PyObject* get_value(PyObject* self, PyObject* name, const char* buffer,
-             uint32_t c_w_s_size;
-             uint32_t code_size;
-             uint32_t scope_size;
-+            uint32_t len;
-             PyObject* code;
-             PyObject* scope;
-             PyObject* code_type;
-@@ -2424,7 +2425,8 @@ static PyObject* get_value(PyObject* self, PyObject* name, const char* buffer,
-             memcpy(&code_size, buffer + *position, 4);
-             code_size = BSON_UINT32_FROM_LE(code_size);
-             /* code_w_scope length + code length + code + scope length */
--            if (!code_size || max < code_size || max < 4 + 4 + code_size + 4) {
-+            len = 4 + 4 + code_size + 4;
-+            if (!code_size || max < code_size || max < len || len < code_size) {
-                 goto invalid;
-             }
-             *position += 4;
-@@ -2442,12 +2444,9 @@ static PyObject* get_value(PyObject* self, PyObject* name, const char* buffer,
- 
-             memcpy(&scope_size, buffer + *position, 4);
-             scope_size = BSON_UINT32_FROM_LE(scope_size);
--            if (scope_size < BSON_MIN_SIZE) {
--                Py_DECREF(code);
--                goto invalid;
--            }
-             /* code length + code + scope length + scope */
--            if ((4 + code_size + 4 + scope_size) != c_w_s_size) {
-+            len = 4 + 4 + code_size + scope_size;
-+            if (scope_size < BSON_MIN_SIZE || len != c_w_s_size || len < scope_size) {
-                 Py_DECREF(code);
-                 goto invalid;
-             }
diff --git a/pymongo-4.3.3.tar.gz b/pymongo-4.3.3.tar.gz
deleted file mode 100644
index 0a15e30014bd44e28a3a71faf0d850c44a2129a1..0000000000000000000000000000000000000000
Binary files a/pymongo-4.3.3.tar.gz and /dev/null differ
diff --git a/pymongo-4.6.3.tar.gz b/pymongo-4.6.3.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..82d3bf85d16e7e73215fccfd351086ee7ee7b47d
Binary files /dev/null and b/pymongo-4.6.3.tar.gz differ
diff --git a/python-pymongo.spec b/python-pymongo.spec
index b92706c0b20ca18cdc42dee4d956b611150d2a3d..376353b61b614748631ca0682e84f253ed63dd32 100644
--- a/python-pymongo.spec
+++ b/python-pymongo.spec
@@ -1,12 +1,10 @@
 Name:           python-pymongo
-Version:        4.3.3
-Release:        2
+Version:        4.6.3
+Release:        1
 License:        Apache License 2.0
 Summary:        PyMongo - the Python driver for MongoDB
 URL:            https://github.com/mongodb/mongo-python-driver
 Source0:        %{pypi_source pymongo}
-# patch source: https://github.com/mongodb/mongo-python-driver/commit/56b6b6dbc267d365d97c037082369dabf37405d2
-Patch01:        backport-CVE-2024-21506.patch
 
 BuildRequires:  python3-devel python3-setuptools
 BuildRequires:  python3-sphinx gcc python3-pip python3-dns
@@ -63,7 +61,7 @@ chmod 755 %{buildroot}%{python3_sitearch}/bson/*.so
 chmod 755 %{buildroot}%{python3_sitearch}/pymongo/*.so
 
 %check
-python3 setup.py test
+python3 -m unittest discover -v
 
 %files -n python3-bson
 %license LICENSE
@@ -83,6 +81,10 @@ python3 setup.py test
 %{_docdir}/python3-pymongo
 
 %changelog
+* Wed Jun 05 2024 yaoxin <yao_xin001@hoperun.com> - 4.6.3-1
+- Update to 4.6.3
+- Fixed a potential memory access violation when decoding invalid bson.
+
 * Sun Apr 07 2024 liweigang <liweiganga@uniontech.com> - 4.3.3-2
 - Fix CVE-2024-21506