diff --git a/requirements.txt b/requirements.txt
index f096c56eb..33301d47e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,14 @@
-numpy==1.17
-pandas==1.0.3
-scipy==1.4.1
-chaospy==3.2.10
-SALib==1.3.8
-pytest==4.3.1
-pytest-pep8==1.0.6
-SQLAlchemy==1.3.8
-sqlalchemy-utils==0.34.2
-jsonpickle==1.2
-cerberus==1.3.1
-dask[complete]==2.9.0
-dask_jobqueue==0.6.3
-rst2ipynb
-scikit-learn==0.22.1
+numpy
+pandas
+scipy
+chaospy
+SALib
+pytest
+pytest-pep8
+SQLAlchemy
+sqlalchemy-utils
+jsonpickle
+cerberus
+dask[complete]
+dask_jobqueue
+scikit-learn