diff --git a/.riot/requirements/13fc59d.txt b/.riot/requirements/10a00e7.txt
similarity index 76%
rename from .riot/requirements/13fc59d.txt
rename to .riot/requirements/10a00e7.txt
index 30ecfd08a15..ed2fd846015 100644
--- a/.riot/requirements/13fc59d.txt
+++ b/.riot/requirements/10a00e7.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/13fc59d.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/10a00e7.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -11,12 +11,12 @@ exceptiongroup==1.2.2
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/63c9090.txt b/.riot/requirements/1424e42.txt
similarity index 75%
rename from .riot/requirements/63c9090.txt
rename to .riot/requirements/1424e42.txt
index 2d287e7aa2f..f58bbb22bd6 100644
--- a/.riot/requirements/63c9090.txt
+++ b/.riot/requirements/1424e42.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/63c9090.in
+#    pip-compile --no-annotate .riot/requirements/1424e42.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -10,12 +10,12 @@ dnspython==2.6.1
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/9627328.txt b/.riot/requirements/14e85f3.txt
similarity index 74%
rename from .riot/requirements/9627328.txt
rename to .riot/requirements/14e85f3.txt
index 68796df6809..44ce4a54256 100644
--- a/.riot/requirements/9627328.txt
+++ b/.riot/requirements/14e85f3.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/9627328.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/14e85f3.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -10,12 +10,12 @@ dnspython==2.6.1
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/c998f1e.txt b/.riot/requirements/16cae33.txt
similarity index 76%
rename from .riot/requirements/c998f1e.txt
rename to .riot/requirements/16cae33.txt
index 9c41810e156..0df83f49b08 100644
--- a/.riot/requirements/c998f1e.txt
+++ b/.riot/requirements/16cae33.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.7
 # by the following command:
 #
-#    pip-compile --allow-unsafe --config=pyproject.toml --no-annotate --resolver=backtracking .riot/requirements/c998f1e.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/16cae33.in
 #
 attrs==24.2.0
 coverage[toml]==7.2.7
@@ -12,7 +12,7 @@ hypothesis==6.45.0
 importlib-metadata==6.7.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.0
 pluggy==1.2.0
diff --git a/.riot/requirements/14fb6c4.txt b/.riot/requirements/1ce9a99.txt
similarity index 71%
rename from .riot/requirements/14fb6c4.txt
rename to .riot/requirements/1ce9a99.txt
index 7a8c4a1a4e1..3d8f032cfab 100644
--- a/.riot/requirements/14fb6c4.txt
+++ b/.riot/requirements/1ce9a99.txt
@@ -2,25 +2,25 @@
 # This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/14fb6c4.in
+#    pip-compile --no-annotate .riot/requirements/1ce9a99.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
 dnspython==2.6.1
 exceptiongroup==1.2.2
 hypothesis==6.45.0
-importlib-metadata==8.4.0
+importlib-metadata==8.5.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
 sortedcontainers==2.4.0
 tomli==2.0.1
-zipp==3.20.1
+zipp==3.20.2
diff --git a/.riot/requirements/16d0967.txt b/.riot/requirements/1ed6ce0.txt
similarity index 76%
rename from .riot/requirements/16d0967.txt
rename to .riot/requirements/1ed6ce0.txt
index ac6b8992c58..a51ab00415d 100644
--- a/.riot/requirements/16d0967.txt
+++ b/.riot/requirements/1ed6ce0.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.7
 # by the following command:
 #
-#    pip-compile --allow-unsafe --config=pyproject.toml --no-annotate --resolver=backtracking .riot/requirements/16d0967.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/1ed6ce0.in
 #
 attrs==24.2.0
 coverage[toml]==7.2.7
@@ -12,7 +12,7 @@ hypothesis==6.45.0
 importlib-metadata==6.7.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.0
 pluggy==1.2.0
diff --git a/.riot/requirements/f97f8c0.txt b/.riot/requirements/328b28c.txt
similarity index 76%
rename from .riot/requirements/f97f8c0.txt
rename to .riot/requirements/328b28c.txt
index 771c4dbb4be..38eac9651b9 100644
--- a/.riot/requirements/f97f8c0.txt
+++ b/.riot/requirements/328b28c.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/f97f8c0.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/328b28c.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -11,12 +11,12 @@ exceptiongroup==1.2.2
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/182cbd0.txt b/.riot/requirements/ad40916.txt
similarity index 74%
rename from .riot/requirements/182cbd0.txt
rename to .riot/requirements/ad40916.txt
index b7b023b5946..853f497ee9e 100644
--- a/.riot/requirements/182cbd0.txt
+++ b/.riot/requirements/ad40916.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/182cbd0.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/ad40916.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -10,12 +10,12 @@ dnspython==2.6.1
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/541b4d9.txt b/.riot/requirements/b089663.txt
similarity index 70%
rename from .riot/requirements/541b4d9.txt
rename to .riot/requirements/b089663.txt
index 23c5ae20a2a..956c6d73e92 100644
--- a/.riot/requirements/541b4d9.txt
+++ b/.riot/requirements/b089663.txt
@@ -2,25 +2,25 @@
 # This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/541b4d9.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/b089663.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
 dnspython==2.6.1
 exceptiongroup==1.2.2
 hypothesis==6.45.0
-importlib-metadata==8.4.0
+importlib-metadata==8.5.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
 sortedcontainers==2.4.0
 tomli==2.0.1
-zipp==3.20.1
+zipp==3.20.2
diff --git a/.riot/requirements/172570f.txt b/.riot/requirements/b344fed.txt
similarity index 75%
rename from .riot/requirements/172570f.txt
rename to .riot/requirements/b344fed.txt
index 929d1339b8f..73e61eb69f9 100644
--- a/.riot/requirements/172570f.txt
+++ b/.riot/requirements/b344fed.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/172570f.in
+#    pip-compile --no-annotate .riot/requirements/b344fed.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
@@ -10,12 +10,12 @@ dnspython==2.6.1
 hypothesis==6.45.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
diff --git a/.riot/requirements/1dad05b.txt b/.riot/requirements/de53117.txt
similarity index 70%
rename from .riot/requirements/1dad05b.txt
rename to .riot/requirements/de53117.txt
index 1c0fe4ed4c1..1dd3dcf18f2 100644
--- a/.riot/requirements/1dad05b.txt
+++ b/.riot/requirements/de53117.txt
@@ -2,25 +2,25 @@
 # This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/1dad05b.in
+#    pip-compile --no-annotate --resolver=backtracking .riot/requirements/de53117.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
 dnspython==2.6.1
 exceptiongroup==1.2.2
 hypothesis==6.45.0
-importlib-metadata==8.4.0
+importlib-metadata==8.5.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
 sortedcontainers==2.4.0
 tomli==2.0.1
-zipp==3.20.1
+zipp==3.20.2
diff --git a/.riot/requirements/178ae92.txt b/.riot/requirements/f9d0e8e.txt
similarity index 71%
rename from .riot/requirements/178ae92.txt
rename to .riot/requirements/f9d0e8e.txt
index 7963ea0e1db..42bc8937d56 100644
--- a/.riot/requirements/178ae92.txt
+++ b/.riot/requirements/f9d0e8e.txt
@@ -2,25 +2,25 @@
 # This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-annotate .riot/requirements/178ae92.in
+#    pip-compile --no-annotate .riot/requirements/f9d0e8e.in
 #
 attrs==24.2.0
 coverage[toml]==7.6.1
 dnspython==2.6.1
 exceptiongroup==1.2.2
 hypothesis==6.45.0
-importlib-metadata==8.4.0
+importlib-metadata==8.5.0
 iniconfig==2.0.0
 mock==5.1.0
-mongoengine==0.28.2
+mongoengine==0.29.1
 opentracing==2.4.0
 packaging==24.1
 pluggy==1.5.0
 pymongo==4.8.0
-pytest==8.3.2
+pytest==8.3.3
 pytest-cov==5.0.0
 pytest-mock==3.14.0
 pytest-randomly==3.15.0
 sortedcontainers==2.4.0
 tomli==2.0.1
-zipp==3.20.1
+zipp==3.20.2
diff --git a/ddtrace/contrib/internal/pymongo/patch.py b/ddtrace/contrib/internal/pymongo/patch.py
index e40fba1b2c5..5032ce3b48a 100644
--- a/ddtrace/contrib/internal/pymongo/patch.py
+++ b/ddtrace/contrib/internal/pymongo/patch.py
@@ -27,6 +27,22 @@
 from .client import set_address_tags
 
 
+_VERSION = pymongo.version_tuple
+
+if _VERSION >= (4, 9):
+    from pymongo.synchronous.pool import Connection
+    from pymongo.synchronous.server import Server
+    from pymongo.synchronous.topology import Topology
+elif _VERSION >= (4, 5):
+    from pymongo.pool import Connection
+    from pymongo.server import Server
+    from pymongo.topology import Topology
+else:
+    from pymongo.pool import SocketInfo as Connection
+    from pymongo.server import Server
+    from pymongo.topology import Topology
+
+
 _CHECKOUT_FN_NAME = "get_socket" if pymongo.version_tuple < (4, 5) else "checkout"
 
 
@@ -41,9 +57,6 @@ def get_version():
     return getattr(pymongo, "__version__", "")
 
 
-_VERSION = pymongo.version_tuple
-
-
 def patch():
     if getattr(pymongo, "_datadog_patch", False):
         return
@@ -60,43 +73,39 @@ def unpatch():
 
 def patch_pymongo_module():
     _w(pymongo.MongoClient.__init__, _trace_mongo_client_init)
-    _w(pymongo.topology.Topology.select_server, _trace_topology_select_server)
+    _w(Topology.select_server, _trace_topology_select_server)
     if _VERSION >= (3, 12):
-        _w(pymongo.server.Server.run_operation, _trace_server_run_operation_and_with_response)
+        _w(Server.run_operation, _trace_server_run_operation_and_with_response)
     elif _VERSION >= (3, 9):
-        _w(pymongo.server.Server.run_operation_with_response, _trace_server_run_operation_and_with_response)
+        _w(Server.run_operation_with_response, _trace_server_run_operation_and_with_response)
     else:
-        _w(pymongo.server.Server.send_message_with_response, _trace_server_send_message_with_response)
+        _w(Server.send_message_with_response, _trace_server_send_message_with_response)
 
     if _VERSION >= (4, 5):
-        _w(pymongo.server.Server.checkout, traced_get_socket)
-        _w(pymongo.pool.Connection.command, _trace_socket_command)
-        _w(pymongo.pool.Connection.write_command, _trace_socket_write_command)
+        _w(Server.checkout, traced_get_socket)
     else:
-        _w(pymongo.server.Server.get_socket, traced_get_socket)
-        _w(pymongo.pool.SocketInfo.command, _trace_socket_command)
-        _w(pymongo.pool.SocketInfo.write_command, _trace_socket_write_command)
+        _w(Server.get_socket, traced_get_socket)
+    _w(Connection.command, _trace_socket_command)
+    _w(Connection.write_command, _trace_socket_write_command)
 
 
 def unpatch_pymongo_module():
     _u(pymongo.MongoClient.__init__, _trace_mongo_client_init)
-    _u(pymongo.topology.Topology.select_server, _trace_topology_select_server)
+    _u(Topology.select_server, _trace_topology_select_server)
 
     if _VERSION >= (3, 12):
-        _u(pymongo.server.Server.run_operation, _trace_server_run_operation_and_with_response)
+        _u(Server.run_operation, _trace_server_run_operation_and_with_response)
     elif _VERSION >= (3, 9):
-        _u(pymongo.server.Server.run_operation_with_response, _trace_server_run_operation_and_with_response)
+        _u(Server.run_operation_with_response, _trace_server_run_operation_and_with_response)
     else:
-        _u(pymongo.server.Server.send_message_with_response, _trace_server_send_message_with_response)
+        _u(Server.send_message_with_response, _trace_server_send_message_with_response)
 
     if _VERSION >= (4, 5):
-        _u(pymongo.server.Server.checkout, traced_get_socket)
-        _u(pymongo.pool.Connection.command, _trace_socket_command)
-        _u(pymongo.pool.Connection.write_command, _trace_socket_write_command)
+        _u(Server.checkout, traced_get_socket)
     else:
-        _u(pymongo.server.Server.get_socket, traced_get_socket)
-        _u(pymongo.pool.SocketInfo.command, _trace_socket_command)
-        _u(pymongo.pool.SocketInfo.write_command, _trace_socket_write_command)
+        _u(Server.get_socket, traced_get_socket)
+    _u(Connection.command, _trace_socket_command)
+    _u(Connection.write_command, _trace_socket_write_command)
 
 
 @contextlib.contextmanager
diff --git a/releasenotes/notes/pymong-4-9-support-83f7c613e5e009e6.yaml b/releasenotes/notes/pymong-4-9-support-83f7c613e5e009e6.yaml
new file mode 100644
index 00000000000..613885e7ee1
--- /dev/null
+++ b/releasenotes/notes/pymong-4-9-support-83f7c613e5e009e6.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    pymongo: Adds support for pymongo>=4.9.0
diff --git a/riotfile.py b/riotfile.py
index 5a3cd2174f8..2d02d930b57 100644
--- a/riotfile.py
+++ b/riotfile.py
@@ -1434,7 +1434,8 @@ def select_pys(min_version=MIN_PYTHON_VERSION, max_version=MAX_PYTHON_VERSION):
             name="mongoengine",
             command="pytest {cmdargs} tests/contrib/mongoengine",
             pkgs={
-                "pymongo": latest,
+                # pymongo v4.9.0 introduced breaking changes that are not yet supported by mongoengine
+                "pymongo": "<4.9.0",
                 "pytest-randomly": latest,
             },
             venvs=[