diff --git a/gnosis/safe/addresses.py b/gnosis/safe/addresses.py
index 499b667c6..de854b9c1 100644
--- a/gnosis/safe/addresses.py
+++ b/gnosis/safe/addresses.py
@@ -900,6 +900,8 @@
         ),  # safe singleton address
     ],
     EthereumNetwork.BLAST: [
+        ("0x29fcB43b46531BcA003ddC8FCB67FFE91900C762", 377556, "1.4.1+L2"),
+        ("0x41675C099F32341bf84BFc5382aF534df5C7461a", 377716, "1.4.1"),
         (
             "0xfb1bffC9d739B8D520DaF37dF666da4C687191EA",
             257369,
@@ -1481,6 +1483,7 @@
         ),  # v1.3.0 default singleton address
     ],
     EthereumNetwork.BLAST: [
+        ("0x4e1DCf7AD4e460CfD30791CCC4F9c8a4f820ec67", 377537),  # v1.4.1
         (
             "0xC22834581EbC8527d974F8a1c97E1bEA4EF910BC",
             257344,