diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9a3417..074e140 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 CHANGELOG
 =========
 
+2024-11-18 (0.13.3)
+------------------
+- Relax scipy requirement to from <1.9 to <2.0
+- Relax numpy requirement from <1.23 to <2.0
+- Replace numpy.complex type with complex type
+
 2024-10-21 (0.13.2)
 ------------------
 - Bugfix for link noise models depolarise and discrete depolarise in multithread variant
diff --git a/setup.cfg b/setup.cfg
index bdfcef7..21cbee6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,8 +16,8 @@ include_package_data = True
 install_requires = 
     netsquid-netbuilder >=0.1.0, <0.2.0
     click >=8.0, <9.0
-    numpy >=1.22, <1.23
-    scipy >=1.8, <1.9
+    numpy >=1.22, <2.0
+    scipy >=1.8, <2.0
     pydantic >=1.8.2, < 3.0
     pydynaa >=0.3, <2.0
     netsquid >=1.1.2, <2.0
diff --git a/squidasm/sim/network/network.py b/squidasm/sim/network/network.py
index 3d401a2..364a0c2 100644
--- a/squidasm/sim/network/network.py
+++ b/squidasm/sim/network/network.py
@@ -53,7 +53,7 @@
 from squidasm.sim.glob import QubitInfo, get_running_backend
 from squidasm.sim.network.nv_config import NVConfig, build_nv_qdevice
 
-T_SingleQubitState = Tuple[Tuple[np.complex, np.complex]]
+T_SingleQubitState = Tuple[Tuple[complex, complex]]
 
 EprDeliveredEvent: EventType = EventType(
     "EPR_DELIVERED",
@@ -626,11 +626,11 @@ def _delivery_func(model_params: LinearDepolariseModelParameters, **kwargs):
         """
         epr_state = np.array(
             [[0.5, 0, 0, 0.5], [0, 0, 0, 0], [0, 0, 0, 0], [0.5, 0, 0, 0.5]],
-            dtype=np.complex,
+            dtype=complex,
         )
         maximally_mixed = np.array(
             [[0.25, 0, 0, 0], [0, 0.25, 0, 0], [0, 0, 0.25, 0], [0, 0, 0, 0.25]],
-            dtype=np.complex,
+            dtype=complex,
         )
         return (
             StateSampler(