diff --git a/requirements.txt b/requirements.txt
index 0d82ec6..a609728 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 numpy>=1.19.2
 pandas>=1.3.5
-panel>=0.12.4
-plotly>=5.8.0
+panel==0.12.4
+plotly==5.8.0
 pyteomics>=4.3.3
-pdfrw>=0.4
-psutil>=5.8.0
-reportlab>=3.5.59
-kaleido>=0.2.1
-bokeh>=2.4.2
+pdfrw==0.4
+psutil==5.8.0
+reportlab==3.5.59
+kaleido==0.2.1
+bokeh==2.4.2
 structuremap>=0.0.8
 h5py>=3.6.0