diff --git a/requirements.txt b/requirements.txt
index 43a0956..83461d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
-python>=3.9
-numpy
-pandas
-scipy
-pyedflib
-matplotlib
-pySide6
-pyyaml
-numba
\ No newline at end of file
+pyside6~=6.5.2
+pyedflib~=0.1.34
+numpy~=1.21.5
+pandas~=1.4.2
+yaml~=0.2.5
+pyyaml~=6.0
+matplotlib~=3.5.1
+numba~=0.55.1
+scipy~=1.7.3
\ No newline at end of file