diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 22f157b..5c34d6a 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,6 +1,6 @@
 Change Log
 ==========
 
-0.2.1 (26/02/2026)
+0.2.1 (03/03/2026)
 ------------------
 - Major Update Corrections
\ No newline at end of file
diff --git a/stoneforge/__init__.py b/stoneforge/__init__.py
index f48b9df..03389b3 100644
--- a/stoneforge/__init__.py
+++ b/stoneforge/__init__.py
@@ -1,5 +1,6 @@
 from . import petrophysics  # noqa: F401
 from . import pseudo_wells  # noqa: F401
+from . import reservoir  # noqa: F401
 
 from . import machine_learning  # noqa: F401
 from . import preprocessing  # noqa: F401
diff --git a/stoneforge/petrophysics/__init__.py b/stoneforge/petrophysics/__init__.py
index 58397df..24b6222 100644
--- a/stoneforge/petrophysics/__init__.py
+++ b/stoneforge/petrophysics/__init__.py
@@ -1,4 +1,5 @@
 from . import porosity  # noqa: F401
+from . import permeability  # noqa: F401
 from . import shale_volume  # noqa: F401
 from . import water_saturation  # noqa: F401
 from . import total_organic_carbon_content  # noqa: F401