diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index ae19a2766e..c994a3ee2c 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -18446,7 +18446,7 @@ based methods.")
            r-tidyr
            r-viridis
            samtools
-           snakemake
+           snakemake-7
            wget))
     (home-page "https://bioinformatics.mdc-berlin.de/pigx/")
     (synopsis "Analysis pipeline for wastewater sequencing")