diff --git a/recipes/chipseq/spikchipcustom/Singularity.spikchipcustom-v099 b/recipes/chipseq/spikchipcustom/Singularity.spikchipcustom-v099
index 52ab6092bad8b2f7d21d9513389130c51140116d..a594269e59da9d4a334dee1c34f3bf79d0038e76 100644
--- a/recipes/chipseq/spikchipcustom/Singularity.spikchipcustom-v099
+++ b/recipes/chipseq/spikchipcustom/Singularity.spikchipcustom-v099
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: ubuntu:22.04.2
+From: ubuntu
 
 
 %help