diff --git a/requirements.txt b/requirements.txt
index 344e3c4..946b919 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,11 @@
-awscli==1.22.55
-scikit-bio==0.7.0
-biopython==1.79
+awscli
+biopython
 ipywidgets
 jupyter_contrib_nbextensions
 nbconvert==6.5.0
-openpyxl==3.0.3
-xlrd==1.2.0
-statsmodels==0.14.0
-onecodex[all,reports]==0.19.0
+openpyxl
+xlrd
+statsmodels
+onecodex[all,reports]==0.19.1
 taxonomy==0.10.0
 widgetsnbextension