diff --git a/requirements.txt b/requirements.txt
index 0a426e0..53a18b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy
-tensorflow-gpu == 1.15.*
-calamari-ocr == 0.3.5
+tensorflow-gpu == 2.2.*
+calamari-ocr == 1.0.*
 setuptools >= 41.0.0  # tensorboard depends on this, but why do we get an error at runtime?
 click
 ocrd >= 2.2.1