diff --git a/core/pom.xml b/core/pom.xml
index 82f0e279..444240fe 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -6,7 +6,7 @@
4.0.0
openstack4j-core
- co-3.11.1
+ co-3.12.1
OpenStack4j Core
OpenStack Java API
https://github.com/openstack4j/openstack4j/