diff --git a/docs/requirements-rtd.txt b/docs/requirements-rtd.txt
index 0e5bb9b..7a84712 100644
--- a/docs/requirements-rtd.txt
+++ b/docs/requirements-rtd.txt
@@ -1,11 +1,11 @@
-numba==0.53.1
-numpy==1.21.0
+numba>=0.53.0
+numpy>=1.21.0
 pandas>=1.2.0
-pyft232==0.12
+pyft232>=0.12
 PyQt5>=5.15
-pyqtgraph==0.12.1
-pyserial==3.5
+pyqtgraph>=0.12.1
+pyserial>=3.5
 pyusb>=1.1.1
-PyVISA==1.11.3
-rpyc==5.0.1
-scipy==1.7.0
\ No newline at end of file
+PyVISA>=1.11.3
+rpyc>=5.0.1
+scipy>=1.7.0
\ No newline at end of file