diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ab6ce0498..8838b6f07 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -231,7 +231,7 @@ jobs:
     - name: Install client
       run: pip install *.whl
 
-    - run: pip install mypy
+    - run: pip install mypy==1.18.1
 
     - run: stubtest aerospike --allowlist stubtest-allowlist
 
diff --git a/aerospike-stubs/aerospike.pyi b/aerospike-stubs/aerospike.pyi
index ec951bef0..fdb350cdc 100644
--- a/aerospike-stubs/aerospike.pyi
+++ b/aerospike-stubs/aerospike.pyi
@@ -311,11 +311,11 @@ TXN_STATE_ABORTED: Literal[3]
 
 @final
 class CDTInfinite:
-    def __init__(self, *args, **kwargs) -> None: ...
+    def __init__(self) -> None: ...
 
 @final
 class CDTWildcard:
-    def __init__(self, *args, **kwargs) -> None: ...
+    def __init__(self) -> None: ...
 
 @final
 class Transaction:
@@ -459,7 +459,7 @@ class Scan:
 
 @final
 class null:
-    def __init__(self, *args, **kwargs) -> None: ...
+    def __init__(self) -> None: ...
 
 def calc_digest(ns: str, set: str, key: Union[str, int, bytearray]) -> bytearray: ...
 def client(config: dict) -> Client: ...