diff --git a/requirements.txt b/requirements.txt
index 882bc3d9..4337a854 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.4.3 ; python_version >= '3.7' # remove once compatibility problem with matplotlib 3.5+ is restored
-pytrip98[remote]~=3.7  # use versions compatible with 3.7 (3.7 and later from 3.x series)
+pytrip98[remote]~=3.8  # use versions compatible with 3.7 (3.7 and later from 3.x series)
 PyQt5>=5.15  ; python_version >= '3.8'
 PyQt5<5.10 ; python_version < '3.8'
 PyQtChart>=5.15  ; python_version >= '3.8'