diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 7509f07d4a..849225bd78 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -6059,7 +6059,13 @@ Cuffdiff or Ballgown programs.")
      `(("python-sqlalchemy" ,python2-sqlalchemy)
        ("python-decorator" ,python2-decorator)
        ("python-biopython" ,python2-biopython)
-       ("python-pandas" ,python2-pandas)))
+       ("python-pandas" ,python2-pandas)
+       ("python-psycopg2" ,python2-psycopg2)
+       ("python-fastalite" ,python2-fastalite)
+       ("python-pyyaml" ,python2-pyyaml)
+       ("python-six" ,python2-six)
+       ("python-jinja2" ,python2-jinja2)
+       ("python-dendropy" ,python2-dendropy)))
     (home-page "https://github.com/fhcrc/taxtastic")
     (synopsis "Tools for taxonomic naming and annotation")
     (description