diff --git a/pydeepflow/model.py b/pydeepflow/model.py
index 368dba2..c7197c0 100644
--- a/pydeepflow/model.py
+++ b/pydeepflow/model.py
@@ -21,7 +21,6 @@
 from pydeepflow.optimizers import Adam, RMSprop
 from tqdm import tqdm
 from pydeepflow.validation import ModelValidator
-import numpy as np
 from pydeepflow.introspection import create_introspector, ModelSummaryFormatter
 
 # ====================================================================
diff --git a/requirements.txt b/requirements.txt
index 31d1e35..e7ea950 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
-numpy
-pandas
-scikit-learn
-jupyter
-tqdm
-colorama
+numpy>=1.23.5
+pandas>=1.5.3
+scikit-learn>=1.2.0
+jupyter>=1.0.0
+tqdm>=4.64.1
+colorama>=0.4.6
 matplotlib