diff --git a/tox.ini b/tox.ini
index 3d7f652203ed0caf9cdfaebbb159784e6f9b2835..3386d09aeeedcb33bcdb1191231043b0f7575140 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,8 @@ skip_missing_interpreters = true
 [testenv]
 deps=nose
     pandas
-    caosdb
+#TODO remove this once versioning is released in pylib
+    git+https://gitlab.com/caosdb/caosdb-pylib.git@dev
     pytest
     pytest-cov
     openpyxl