diff --git a/src/safe_cli/safe_addresses.py b/src/safe_cli/safe_addresses.py
index be138c1..3d3576b 100644
--- a/src/safe_cli/safe_addresses.py
+++ b/src/safe_cli/safe_addresses.py
@@ -1,6 +1,8 @@
 """
 Get the correct addresses for the contracts by testing the deployment addresses using the RPC
-Currently using Safe v1.4.1 when available, and 1.3.0 as fallback as they are compatible
+Currently using Safe v1.4.1 when available, and 1.3.0 as fallback as they are compatible.
+v1.5.0 is used only on networks where no earlier version is deployed, so nothing changes elsewhere.
+https://github.com/safe-global/safe-deployments/tree/main/src/assets/v1.5.0
 https://github.com/gnosis/safe-deployments/tree/main/src/assets/v1.4.1
 https://github.com/gnosis/safe-deployments/tree/main/src/assets/v1.3.0
 """
@@ -33,6 +35,7 @@ def get_safe_contract_address(ethereum_client: EthereumClient) -> ChecksumAddres
             "0x41675C099F32341bf84BFc5382aF534df5C7461a",  # v1.4.1
             "0xd9Db270c1B5E3Bd161E8c8503c55cEABeE709552",  # v1.3.0
             "0x69f4D1788e39c87893C980c06EdF4b7f686e2938",  # v1.3.0
+            "0xFf51A5898e281Db6DfC7855790607438dF2ca44b",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -46,6 +49,7 @@ def get_safe_l2_contract_address(ethereum_client: EthereumClient) -> ChecksumAdd
             "0x3E5c63644E683549055b9Be8653de26E0B4CD36E",  # v1.3.0
             "0xfb1bffC9d739B8D520DaF37dF666da4C687191EA",  # v1.3.0
             "0x1727c2c531cf966f902E5927b98490fDFb3b2b70",  # v1.3.0 zkSync
+            "0xEdd160fEBBD92E350D4D398fb636302fccd67C7e",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -61,6 +65,7 @@ def get_default_fallback_handler_address(
             "0xf48f2B2d2a534e402487b3ee7C18c33Aec0Fe5e4",  # v1.3.0
             "0x017062a1dE2FE6b99BE3d9d37841FeD19F573804",  # v1.3.0
             "0x2f870a80647BbC554F3a0EBD093f11B4d2a7492A",  # v1.3.0 zkSync
+            "0x3EfCBb83A4A7AfcB4F68D501E2c2203a38be77f4",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -74,6 +79,7 @@ def get_proxy_factory_address(ethereum_client: EthereumClient) -> ChecksumAddres
             "0xa6B71E26C5e0845f74c812102Ca7114b6a896AB2",  # v1.3.0
             "0xC22834581EbC8527d974F8a1c97E1bEA4EF910BC",  # v1.3.0
             "0xDAec33641865E4651fB43181C6DB6f7232Ee91c2",  # v1.3.0 zkSync
+            "0x14F2982D601c9458F93bd70B218933A6f8165e7b",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -87,6 +93,7 @@ def get_last_multisend_address(ethereum_client: EthereumClient) -> ChecksumAddre
             "0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761",  # v1.3.0
             "0x998739BFdAAdde7C933B942a68053933098f9EDa",  # v1.3.0
             "0x0dFcccB95225ffB03c6FBB2559B530C2B7C8A912",  # v1.3.0 zkSync
+            "0x218543288004CD07832472D464648173c77D7eB7",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -102,6 +109,7 @@ def get_last_multisend_call_only_address(
             "0x40A2aCCbd92BCA938b02010E17A5b8929b49130D",  # v1.3.0
             "0xA1dabEF33b3B82c7814B6D82A79e50F4AC44102B",  # v1.3.0
             "0xf220D3b4DFb23C4ade8C88E526C1353AbAcbC38F",  # v1.3.0 zkSync
+            "0xA83c336B20401Af773B6219BA5027174338D1836",  # v1.5.0, where no earlier version is deployed
         ],
     )
 
@@ -117,5 +125,6 @@ def get_last_sign_message_lib_address(
             "0xA65387F16B013cf2Af4605Ad8aA5ec25a2cbA3a2",  # v1.3.0
             "0x98FFBBF51bb33A056B08ddf711f289936AafF717",  # v1.3.0
             "0x357147caf9C0cCa67DfA0CF5369318d8193c8407",  # v1.3.0 zkSync
+            "0x4FfeF8222648872B3dE295Ba1e49110E61f5b5aa",  # v1.5.0, where no earlier version is deployed
         ],
     )
diff --git a/tests/test_safe_addresses.py b/tests/test_safe_addresses.py
index 0b7bb8e..726b1b3 100644
--- a/tests/test_safe_addresses.py
+++ b/tests/test_safe_addresses.py
@@ -1,4 +1,5 @@
 import unittest
+from unittest import mock
 
 from eth_account import Account
 from safe_eth.eth import EthereumClient
@@ -9,6 +10,7 @@
     get_default_fallback_handler_address,
     get_last_multisend_address,
     get_last_multisend_call_only_address,
+    get_last_sign_message_lib_address,
     get_proxy_factory_address,
     get_safe_contract_address,
     get_safe_l2_contract_address,
@@ -65,6 +67,51 @@ def test_get_addresses(self):
             "0x40A2aCCbd92BCA938b02010E17A5b8929b49130D",
         )
 
+    def test_v1_5_0_only_where_nothing_earlier(self):
+        # function -> (v1.4.1 address, v1.5.0 address), from safe-deployments
+        expected = {
+            get_safe_contract_address: (
+                "0x41675C099F32341bf84BFc5382aF534df5C7461a",
+                "0xFf51A5898e281Db6DfC7855790607438dF2ca44b",
+            ),
+            get_safe_l2_contract_address: (
+                "0x29fcB43b46531BcA003ddC8FCB67FFE91900C762",
+                "0xEdd160fEBBD92E350D4D398fb636302fccd67C7e",
+            ),
+            get_default_fallback_handler_address: (
+                "0xfd0732Dc9E303f09fCEf3a7388Ad10A83459Ec99",
+                "0x3EfCBb83A4A7AfcB4F68D501E2c2203a38be77f4",
+            ),
+            get_proxy_factory_address: (
+                "0x4e1DCf7AD4e460CfD30791CCC4F9c8a4f820ec67",
+                "0x14F2982D601c9458F93bd70B218933A6f8165e7b",
+            ),
+            get_last_multisend_address: (
+                "0x38869bf66a61cF6bDB996A6aE40D5853Fd43B526",
+                "0x218543288004CD07832472D464648173c77D7eB7",
+            ),
+            get_last_multisend_call_only_address: (
+                "0x40A2aCCbd92BCA938b02010E17A5b8929b49130D",
+                "0xA83c336B20401Af773B6219BA5027174338D1836",
+            ),
+            get_last_sign_message_lib_address: (
+                "0xd53cd0aB83D845Ac265BE939c57F53AD838012c9",
+                "0x4FfeF8222648872B3dE295Ba1e49110E61f5b5aa",
+            ),
+        }
+        v1_5_0_addresses = {v1_5_0 for _, v1_5_0 in expected.values()}
+        ethereum_client = mock.Mock()
+        for function, (v1_4_1, v1_5_0) in expected.items():
+            with self.subTest(function=function.__name__):
+                # A network with only v1.5.0 deployed
+                ethereum_client.is_contract.side_effect = lambda address: (
+                    address in v1_5_0_addresses
+                )
+                self.assertEqual(function(ethereum_client), v1_5_0)
+                # A network with every version deployed keeps using v1.4.1
+                ethereum_client.is_contract.side_effect = lambda address: True
+                self.assertEqual(function(ethereum_client), v1_4_1)
+
 
 if __name__ == "__main__":
     unittest.main()