diff --git a/software/bedtools/sloprefseq/main.nf b/software/bedtools/sloprefseq/main.nf
index 2eadcfe4..dfc407d2 100644
--- a/software/bedtools/sloprefseq/main.nf
+++ b/software/bedtools/sloprefseq/main.nf
@@ -4,7 +4,7 @@ include { initOptions; saveFiles; getSoftwareName } from './functions'
 params.options = [:]
 def options    = initOptions(params.options)
 
-def VERSION = '4.11'
+def VERSION = '2.29'
 
 process BEDTOOLS_SLOPEREFSEQ {
     tag "$meta.id"
@@ -36,4 +36,4 @@ process BEDTOOLS_SLOPEREFSEQ {
         slopBed -i $beds -g $sizes -l ${params.upstream} -r {params.downstream} > ${prefix}.sloprefseq.bed
         echo $VERSION > ${software}.version.txt
         """
-}
\ No newline at end of file
+}