diff --git a/pkgs/development/ocaml-modules/imagelib/default.nix b/pkgs/development/ocaml-modules/imagelib/default.nix
index f7ca279b9885..0a846214dc05 100644
--- a/pkgs/development/ocaml-modules/imagelib/default.nix
+++ b/pkgs/development/ocaml-modules/imagelib/default.nix
@@ -4,14 +4,14 @@
 
 buildDunePackage rec {
   minimumOCamlVersion = "4.07";
-  version = "20200929";
+  version = "20210402";
   pname = "imagelib";
 
   useDune2 = true;
 
   src = fetchurl {
-    url = "https://github.com/rlepigre/ocaml-imagelib/releases/download/ocaml-imagelib_${version}/imagelib-ocaml-imagelib_${version}.tbz";
-    sha256 = "1wyq4xxj0dxwafbcmd7jylsd8w1gbyl7j4ak6jbq1n0ardwmpwca";
+    url = "https://github.com/rlepigre/ocaml-imagelib/releases/download/${version}/imagelib-${version}.tbz";
+    sha256 = "b3c8ace02b10b36b6c60b3ce3ae0b9109d4a861916ec320c59cc1194f4cc86e3";
   };
 
   propagatedBuildInputs = [ decompress stdlib-shims ];
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 6d34d825a201..6b7d59b6fc94 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -415,9 +415,7 @@ let
 
     hxd = callPackage ../development/ocaml-modules/hxd { };
 
-    imagelib = callPackage ../development/ocaml-modules/imagelib {
-      decompress = decompress-1-2;
-    };
+    imagelib = callPackage ../development/ocaml-modules/imagelib { };
 
     inotify = callPackage ../development/ocaml-modules/inotify { };