diff --git a/tiny_httpd.opam b/tiny_httpd.opam
index bc84236f..07d0fa62 100644
--- a/tiny_httpd.opam
+++ b/tiny_httpd.opam
@@ -12,7 +12,6 @@ build: [
 depends: [
   "dune" { >= "2.0" }
   "base-threads"
-  "str"
   "ocaml" { >= "4.04.0" }
   "odoc" {with-doc}
   "qtest" { >= "2.9" & with-test}