diff --git a/docs/changelog/next_release/+.bugfix.3.rst b/docs/changelog/next_release/+.bugfix.3.rst
new file mode 100644
index 00000000..f8f555e6
--- /dev/null
+++ b/docs/changelog/next_release/+.bugfix.3.rst
@@ -0,0 +1 @@
+Use ``AttributeError`` instead of ``ImportError`` in module's ``__getattr__`` method, to make code compliant with Python spec.
diff --git a/onetl/connection/__init__.py b/onetl/connection/__init__.py
index 608beb41..03402fd0 100644
--- a/onetl/connection/__init__.py
+++ b/onetl/connection/__init__.py
@@ -76,4 +76,4 @@ def __getattr__(name: str):
         submodule = file_df_connections_modules[name]
         return getattr(import_module(f"onetl.connection.file_df_connection.{submodule}"), name)
 
-    raise ImportError(f"cannot import name {name!r} from {__name__!r}")
+    raise AttributeError(name)
diff --git a/onetl/core/__init__.py b/onetl/core/__init__.py
index 9796b173..abbfd0e3 100644
--- a/onetl/core/__init__.py
+++ b/onetl/core/__init__.py
@@ -40,4 +40,4 @@ def __getattr__(name: str):
         )
         return getattr(import_module(f"onetl.{submodule}"), name)
 
-    raise ImportError(f"cannot import name {name!r} from {__name__!r}")
+    raise AttributeError(name)
diff --git a/onetl/hwm/store/__init__.py b/onetl/hwm/store/__init__.py
index 4fb2d991..929b1d40 100644
--- a/onetl/hwm/store/__init__.py
+++ b/onetl/hwm/store/__init__.py
@@ -45,4 +45,4 @@ def __getattr__(name: str):
 
         return getattr(import_module("etl_entities.hwm_store"), name)
 
-    raise ImportError(f"cannot import name {name!r} from {__name__!r}")
+    raise AttributeError(name)
diff --git a/onetl/strategy/hwm_store/__init__.py b/onetl/strategy/hwm_store/__init__.py
index de994c20..2f89a595 100644
--- a/onetl/strategy/hwm_store/__init__.py
+++ b/onetl/strategy/hwm_store/__init__.py
@@ -39,7 +39,7 @@
 
 def __getattr__(name: str):
     if name not in __all__:
-        raise ImportError(f"cannot import name {name!r} from {__name__!r}")
+        raise AttributeError(name)
 
     message = f"""
         Imports from module {__name__!r} are deprecated since v0.6.0 and will be removed in v1.0.0.