diff --git a/src/ontology/run.sh.conf b/src/ontology/run.sh.conf
index 54d492d5..f508dd35 100644
--- a/src/ontology/run.sh.conf
+++ b/src/ontology/run.sh.conf
@@ -1,3 +1,3 @@
 ODK_IMAGE=odkfull
-ODK_TAG=latest
+ODK_TAG=v1.5.2
 ODK_DEBUG=yes