diff --git a/dune-project b/dune-project
index b9b1aca..7dfd009 100644
--- a/dune-project
+++ b/dune-project
@@ -76,7 +76,7 @@
   picos
   picos_std
   (tiny_httpd
-   (>= 0.17)))
+   (>= 0.19)))
  (tags
   (nanoev http)))
 
diff --git a/nanoev_tiny_httpd.opam b/nanoev_tiny_httpd.opam
index 08833e7..83e2b5a 100644
--- a/nanoev_tiny_httpd.opam
+++ b/nanoev_tiny_httpd.opam
@@ -14,7 +14,7 @@ depends: [
   "nanoev-picos" {= version}
   "picos"
   "picos_std"
-  "tiny_httpd" {>= "0.17"}
+  "tiny_httpd" {>= "0.19"}
   "odoc" {with-doc}
 ]
 build: [