diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 49f0c9cb1e..edf2958dac 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -13714,7 +13714,7 @@ (define-public pplacer
        #:findlib ,ocaml4.07-findlib))
       (inputs
        `(("zlib" ,zlib "static")
-         ("gsl" ,gsl)
+         ("gsl" ,gsl-static)
          ("ocaml-ounit" ,(package-with-ocaml4.07 ocaml-ounit))
          ("ocaml-batteries" ,(package-with-ocaml4.07 ocaml-batteries))
          ("ocaml-camlzip" ,(package-with-ocaml4.07 camlzip))
diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 01c0bc3ba0..a731432530 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -4922,7 +4922,7 @@ (define-public ocaml4.07-gsl-1
                   "0nzp43hp8pbjqkrxnwp5lgjrabxayf61h18fjaydi0s5faq6f3xh"))))
       (build-system ocaml-build-system)
       (inputs
-       `(("gsl" ,gsl)))
+       `(("gsl" ,gsl-static)))
       (native-inputs
        `(("ocamlbuild" ,ocamlbuild)))
       (arguments '())