diff --git a/pkgs/by-name/gr/gretl/package.nix b/pkgs/by-name/gr/gretl/package.nix
index 59305732efe2..c353dd5730ee 100644
--- a/pkgs/by-name/gr/gretl/package.nix
+++ b/pkgs/by-name/gr/gretl/package.nix
@@ -20,11 +20,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gretl";
-  version = "2025b";
+  version = "2026a";
 
   src = fetchurl {
     url = "mirror://sourceforge/gretl/gretl-${finalAttrs.version}.tar.xz";
-    hash = "sha256-DW0QXWbx0nMWTfjxO15ZGR/DsvFM7eee0DDsqrm5vHM=";
+    hash = "sha256-F5aV3rkZOe2g9aQBCuhUrep4O2idpVkAVtoFzuq9r2Q=";
   };
 
   buildInputs = [