diff --git a/recipes/mapping/bowtie2/Singularity.bowtie2-245 b/recipes/mapping/bowtie2/Singularity.bowtie2-245
index 708da4cf22cf6e676e371e1607658b00628810a4..073616bb6a0eb39e23f290f1c94419c155b42f5a 100644
--- a/recipes/mapping/bowtie2/Singularity.bowtie2-245
+++ b/recipes/mapping/bowtie2/Singularity.bowtie2-245
@@ -1,6 +1,5 @@
-BootStrap: debootstrap
-OSVersion: hirsute
-MirrorURL: http://us.archive.ubuntu.com/ubuntu/
+BootStrap: docker
+From: ubuntu:hirsute
 
 %help
     This singularity install bowtie2 v2.4.5