diff --git a/core/testcontainers/core/version.py b/core/testcontainers/core/version.py
index cac51fc1..71e17ec3 100644
--- a/core/testcontainers/core/version.py
+++ b/core/testcontainers/core/version.py
@@ -4,27 +4,29 @@
 
 
 class ComparableVersion:
-    def __init__(self, version):
+    """A wrapper around packaging.version.Version that allows for comparison with strings"""
+
+    def __init__(self, version: str) -> None:
         self.version = Version(version)
 
-    def __lt__(self, other: str):
+    def __lt__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x < y)
 
-    def __le__(self, other: str):
+    def __le__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x <= y)
 
-    def __eq__(self, other: str):
+    def __eq__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x == y)
 
-    def __ne__(self, other: str):
+    def __ne__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x != y)
 
-    def __gt__(self, other: str):
+    def __gt__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x > y)
 
-    def __ge__(self, other: str):
+    def __ge__(self, other: object) -> bool:
         return self._apply_op(other, lambda x, y: x >= y)
 
-    def _apply_op(self, other: str, op: Callable[[Version, Version], bool]):
-        other = Version(other)
+    def _apply_op(self, other: object, op: Callable[[Version, Version], bool]) -> bool:
+        other = Version(str(other))
         return op(self.version, other)