diff --git a/conanfile.txt b/conanfile.txt
index 79edff34b487d7bbc31719fd31b96bc00e97d934..cd80b1474b1d209d6678d95b12a958e3110163ba 100644
--- a/conanfile.txt
+++ b/conanfile.txt
@@ -1,5 +1,5 @@
 [requires]
-caosdb/0.2.0
+caosdb/[>=0.3.0-dev, include_prerelease=True]
 
 [build_requires]
 gtest/1.11.0