diff --git a/datamodel/requirements.txt b/datamodel/requirements.txt
index e7544998..d143d9aa 100644
--- a/datamodel/requirements.txt
+++ b/datamodel/requirements.txt
@@ -1,3 +1,3 @@
-pum>=0.10.0,<1.0.0
+pum>=0.10.0,<2.0.0
 psycopg2-binary
 pyyaml