diff --git a/pkgs/development/ocaml-modules/earlybird/default.nix b/pkgs/development/ocaml-modules/earlybird/default.nix
index d34201eb8414..90c50211c7c4 100644
--- a/pkgs/development/ocaml-modules/earlybird/default.nix
+++ b/pkgs/development/ocaml-modules/earlybird/default.nix
@@ -21,7 +21,7 @@
 
 buildDunePackage (finalAttrs: {
   pname = "earlybird";
-  version = "1.3.5";
+  version = "1.3.6";
 
   minimalOCamlVersion = "4.12";
 
@@ -29,7 +29,7 @@ buildDunePackage (finalAttrs: {
     owner = "hackwaly";
     repo = "ocamlearlybird";
     tag = finalAttrs.version;
-    hash = "sha256-QDRtuphOb02L75JyCF9K1NqvIdtWlfefeLG3HmJVHW4=";
+    hash = "sha256-UtJwb941JEIaE4zUlOWqFX3w0U7gFdYlYpKl+mZ1FNg=";
   };
 
   nativeBuildInputs = [ menhir ];