diff --git a/requirements.txt b/requirements.txt
index 559e6fd..37fcba9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-numpy==1.11.1
-pylsl==1.10.5
-pyqtgraph==0.9.10
-scipy==0.17.1
-pyserial==3.1.1
+numpy>=1.11.1
+pylsl>=1.10.5
+pyqtgraph>=0.9.10
+scipy>=0.17.1
+pyserial>=3.1.1