diff --git a/requirements.txt b/requirements.txt
index e6d606e..14cb69d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,16 @@
-matplotlib
-numpy
-scipy
-pandas
-sympy
-voila
-voila-osscar-template
-Cython
-ase
-seekpath
-plotly
-nglview
-moviepy
-ipympl
-widget-bzvisualizer
-widget-bandsplot
+matplotlib~=3.8.4
+numpy~=1.26.4
+scipy~=1.13.0
+pandas~=2.2.1
+sympy~=1.12
+voila~=0.5.6
+voila-osscar-template~=0.3.2
+Cython~=3.0.10
+ase~=3.22.1
+seekpath~=2.1.0
+plotly~=5.20.0
+nglview~=3.1.2
+moviepy~=1.0.3
+ipympl~=0.9.3
+widget-bzvisualizer~=0.2.4
+widget-bandsplot~=0.7.0