diff --git a/_oasis b/_oasis
index 07fb595ace..3639caa929 100644
--- a/_oasis
+++ b/_oasis
@@ -1,6 +1,6 @@
 OASISFormat: 0.4
 Name:        cohttp
-Version:     0.19.3
+Version:     0.20.1
 Synopsis:    HTTP library for Lwt, Async, JavaScript and Mirage
 Description: CoHTTP is an OCaml library for creating HTTP clients and
   daemons.  It has a portable HTTP parser.  Optional dependencies
diff --git a/lib/META b/lib/META
index 0b15daa69e..d3b2ef3b7c 100644
--- a/lib/META
+++ b/lib/META
@@ -1,6 +1,6 @@
 # OASIS_START
-# DO NOT EDIT (digest: 3a9d5b2865afe5cd786e29e6d719402f)
-version = "0.19.3"
+# DO NOT EDIT (digest: c34934cb900a904a78acc9654b332188)
+version = "0.20.1"
 description = "HTTP library for Lwt, Async, JavaScript and Mirage"
 requires =
 "re.emacs stringext uri uri.services fieldslib sexplib bytes base64"
@@ -10,7 +10,7 @@ archive(native) = "cohttp.cmxa"
 archive(native, plugin) = "cohttp.cmxs"
 exists_if = "cohttp.cma"
 package "top" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp"
  archive(byte) = "cohttp_top.cma"
@@ -21,7 +21,7 @@ package "top" (
 )
 
 package "test" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp oUnit"
  archive(byte) = "cohttp_test.cma"
@@ -32,7 +32,7 @@ package "test" (
 )
 
 package "lwt-unix-test" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp.test cohttp.lwt unix lwt.unix oUnit"
  archive(byte) = "cohttp_lwt_unix_test.cma"
@@ -43,7 +43,7 @@ package "lwt-unix-test" (
 )
 
 package "lwt-core" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "lwt uri cohttp"
  archive(byte) = "cohttp_lwt.cma"
@@ -54,7 +54,7 @@ package "lwt-core" (
 )
 
 package "lwt" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp.lwt-core unix lwt.unix conduit.lwt-unix magic-mime"
  archive(byte) = "cohttp_lwt_unix.cma"
@@ -65,7 +65,7 @@ package "lwt" (
 )
 
 package "js" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp.lwt-core js_of_ocaml"
  archive(byte) = "cohttp_lwt_xhr.cma"
@@ -76,7 +76,7 @@ package "js" (
 )
 
 package "async-test" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "cohttp.test cohttp.async oUnit"
  archive(byte) = "cohttp_async_test.cma"
@@ -87,7 +87,7 @@ package "async-test" (
 )
 
 package "async" (
- version = "0.19.3"
+ version = "0.20.1"
  description = "HTTP library for Lwt, Async, JavaScript and Mirage"
  requires = "uri cohttp threads async conduit.async magic-mime"
  archive(byte) = "cohttp_async.cma"
diff --git a/lib/conf.ml b/lib/conf.ml
index 8582c1a4f7..7c47cdab77 100644
--- a/lib/conf.ml
+++ b/lib/conf.ml
@@ -15,5 +15,5 @@
  *
  *)
 
-let user_agent = "ocaml-cohttp/0.19.3"
-let version = "0.19.3"
+let user_agent = "ocaml-cohttp/0.20.1"
+let version = "0.20.1"
diff --git a/setup.ml b/setup.ml
index 75066b1e06..f109ac69b7 100644
--- a/setup.ml
+++ b/setup.ml
@@ -1,7 +1,7 @@
 (* setup.ml generated for the first time by OASIS v0.4.5 *)
 
 (* OASIS_START *)
-(* DO NOT EDIT (digest: 07c7591cbfbc42ef31dc58dd04544a48) *)
+(* DO NOT EDIT (digest: eb8379d3b32613924e74f75b0dee8c6d) *)
 (*
    Regenerated by OASIS v0.4.5
    Visit http://oasis.forge.ocamlcore.org for more information and
@@ -6999,7 +6999,7 @@ let setup_t =
           alpha_features = [];
           beta_features = [];
           name = "cohttp";
-          version = "0.19.3";
+          version = "0.20.1";
           license =
             OASISLicense.DEP5License
               (OASISLicense.DEP5Unit
@@ -8886,7 +8886,7 @@ let setup_t =
        };
      oasis_fn = Some "_oasis";
      oasis_version = "0.4.5";
-     oasis_digest = Some "Ízòß\006G\135;%ü\159Ó\019\134w(";
+     oasis_digest = Some "\165l\226<v\127\195H\160\000\156\216\007\249\1667";
      oasis_exec = None;
      oasis_setup_args = [];
      setup_update = false