diff --git a/pkgs/by-name/bl/blesh/package.nix b/pkgs/by-name/bl/blesh/package.nix
index 35204db36a59..0a6cbbe79977 100644
--- a/pkgs/by-name/bl/blesh/package.nix
+++ b/pkgs/by-name/bl/blesh/package.nix
@@ -7,13 +7,14 @@
   glibcLocales,
 }:
 
-stdenvNoCC.mkDerivation rec {
+stdenvNoCC.mkDerivation {
   pname = "blesh";
-  version = "0.4.0-devel3";
+  version = "0.4.0-devel3-unstable-2026-03-10";
 
   src = fetchzip {
-    url = "https://github.com/akinomyoga/ble.sh/releases/download/v${version}/ble-${version}.tar.xz";
-    sha256 = "sha256-kGLp8RaInYSrJEi3h5kWEOMAbZV/gEPFUjOLgBuMhCI=";
+    url = "https://github.com/akinomyoga/ble.sh/releases/download/nightly/ble-nightly-20260310%2Bb99cadb.tar.xz";
+    name = "ble-nightly-20260310+b99cadb.tar.xz";
+    sha256 = "sha256-rJnSEY7J4wfy8dnL9Bg59u0epPe0HL1J7piPbkNyes0=";
   };
 
   dontBuild = true;