diff --git a/requirements.txt b/requirements.txt
index 94ee3a161d388c26fdc00c475ecda5e4c5dfe0f7..7fd9b26194f5cfb3627edf50ace79f0132046ccd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-numpy
-matplotlib.pyplot
-scipy
\ No newline at end of file
+numpy == 1.19.4
+matplotlib == 3.2.2
+scipy == 1.5.0
\ No newline at end of file