diff --git a/requirements.txt b/requirements.txt
index 1a799016dabe64e81387eacf174c422066632d9f..86bfcfc5a0cd8cc55984397c158cb4a77dc59de3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
-dacite==1.6.0
-dataclasses==0.6
-click==8.0.1
-psutil==5.8.0
-pandas==1.3.3
-bokeh==2.4.0
-tornado==6.1
+dacite>=1.6
+dataclasses>=0.6
+click>=7
+psutil>=5
+pandas>=1
+bokeh>=2.4
+tornado>=6.1,<7