diff --git a/pyESD.egg-info/dependency_links.txt b/pyESD.egg-info/dependency_links.txt
index 10e1812..98a02c5 100755
--- a/pyESD.egg-info/dependency_links.txt
+++ b/pyESD.egg-info/dependency_links.txt
@@ -10,3 +10,4 @@ sklearn
 tensorflow
 eofs
 netCDF4
+scikit-optimize
diff --git a/pyESD/__pycache__/dense_models.cpython-39.pyc b/pyESD/__pycache__/dense_models.cpython-39.pyc
index a692810..e7dbc39 100755
Binary files a/pyESD/__pycache__/dense_models.cpython-39.pyc and b/pyESD/__pycache__/dense_models.cpython-39.pyc differ
diff --git a/pyESD/dense_models.py b/pyESD/dense_models.py
index 0bc86f5..24c3591 100755
--- a/pyESD/dense_models.py
+++ b/pyESD/dense_models.py
@@ -3,6 +3,8 @@
 Created on Wed Mar 16 12:26:01 2022
 
 @author: dboateng
+
+This module require further development of add deep learning models!
 """
 
 # importing models 
diff --git a/requirements.txt b/requirements.txt
index 7827f72..2dc636d 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,5 @@ pandas
 sklearn
 tensorflow
 eofs
-netCDF4
\ No newline at end of file
+netCDF4
+scikit-optimize
\ No newline at end of file