diff --git a/requirements.txt b/requirements.txt
index 8520780..6f2ea48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,7 @@
 # ocrd includes opencv, numpy, shapely, click
 ocrd >= 2.23.3
-keras >= 2.3.1, < 2.4
 scikit-learn >= 0.23.2
-tensorflow-gpu >= 1.15, < 2
+tensorflow-gpu >= 2.4.0
 imutils >= 0.5.3
 matplotlib
 setuptools >= 50