diff --git a/pyproject.toml b/pyproject.toml
index d27f1a7..8c13c8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,12 +2,12 @@
 name = "chebai-graph"
 description = "GNNs for ChEB-AI"
 readme = "README.md"
-version = "1.1.0"
+version = "1.2.0"
 authors = [
     { name = "Martin Glauer", email = "martin.glauer@ovgu.de" }
 ]
 dependencies = [
-    "chebai",
+    "chebai>=1.4.0",
     "chebi_utils>=0.4",
     "descriptastorus",
     # below packages need to manually installed as mentioned in readme