diff --git a/cobrexa.def b/cobrexa.def
index 0f9092d65efefaa4666fd2f0e72bcb0e024e424d..9eb9ed27b3f3ae98d73ad452993c07c86484e24b 100644
--- a/cobrexa.def
+++ b/cobrexa.def
@@ -1,5 +1,5 @@
-BootStrap: library
-From: cylon-x/lcsb-biocore/julia-base:latest
+BootStrap: docker
+From: julia
 
 %setup
     export GIT_WORK_TREE="${SINGULARITY_ROOTFS}/project/"