diff --git a/requirements.txt b/requirements.txt
index ba1f03a..0b4c2f8 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,9 +11,8 @@ pandas
 particle
 progressbar2
 scikit-hep-testdata
-
 seaborn
 sphinx-panels  # docs
 sysrsync  # docs
-zfit>=0.14
-zfit-physics>=0.2.0
+zfit>=0.20
+zfit-physics>=0.6