diff --git a/pkgs/by-name/bi/bigloo/package.nix b/pkgs/by-name/bi/bigloo/package.nix
index a844d11e11ff..b1b40e8d0bfb 100644
--- a/pkgs/by-name/bi/bigloo/package.nix
+++ b/pkgs/by-name/bi/bigloo/package.nix
@@ -11,11 +11,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "bigloo";
-  version = "4.6a";
+  version = "4.7a";
 
   src = fetchurl {
     url = "https://www-sop.inria.fr/mimosa/fp/Bigloo/download/bigloo-${finalAttrs.version}.tar.gz";
-    hash = "sha256-lwXsPeAMwcUe52mYlIQaN3DAaodCFbRWNbiESuba8KY=";
+    hash = "sha256-RCXDf0meLfGnvjM0roUg/XYhRzPZ2f6XsvunHRxM9js=";
   };
 
   nativeBuildInputs = [