diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0c8108ac5..71ac72c29 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
       - id: auto-walrus
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.3
+    rev: v0.8.4
     hooks:
       - id: ruff
       - id: ruff-format
@@ -47,7 +47,7 @@ repos:
       - id: validate-pyproject
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.13.0
+    rev: v1.14.0
     hooks:
       - id: mypy
         args:
diff --git a/conversions/convert_number_to_words.py b/conversions/convert_number_to_words.py
index dbab44c72..6aa43738b 100644
--- a/conversions/convert_number_to_words.py
+++ b/conversions/convert_number_to_words.py
@@ -1,5 +1,5 @@
 from enum import Enum
-from typing import ClassVar, Literal
+from typing import Literal
 
 
 class NumberingSystem(Enum):
@@ -54,7 +54,7 @@ class NumberingSystem(Enum):
 
 
 class NumberWords(Enum):
-    ONES: ClassVar[dict[int, str]] = {
+    ONES = {  # noqa: RUF012
         0: "",
         1: "one",
         2: "two",
@@ -67,7 +67,7 @@ class NumberWords(Enum):
         9: "nine",
     }
 
-    TEENS: ClassVar[dict[int, str]] = {
+    TEENS = {  # noqa: RUF012
         0: "ten",
         1: "eleven",
         2: "twelve",
@@ -80,7 +80,7 @@ class NumberWords(Enum):
         9: "nineteen",
     }
 
-    TENS: ClassVar[dict[int, str]] = {
+    TENS = {  # noqa: RUF012
         2: "twenty",
         3: "thirty",
         4: "forty",