diff --git a/pkgs/development/libraries/agda/agda-stdlib/default.nix b/pkgs/development/libraries/agda/agda-stdlib/default.nix
index 2a75b1fb7000..47e426580ce3 100644
--- a/pkgs/development/libraries/agda/agda-stdlib/default.nix
+++ b/pkgs/development/libraries/agda/agda-stdlib/default.nix
@@ -1,13 +1,12 @@
-{ stdenv, agda, fetchgit, ghcWithPackages }:
+{ stdenv, agda, fetchurl, ghcWithPackages }:
 
 agda.mkDerivation (self: rec {
-  version = "2.4.2.3";
+  version = "v0.12";
   name = "agda-stdlib-${version}";
 
-  src = fetchgit {
-    url = "git://github.com/agda/agda-stdlib";
-    rev = "9c9b3cb28f9a7d39a256890a1469c1a3f7fc4faf";
-    sha256 = "521899b820e70abbae7cb30008b87a2f8676bc6265b78865e42982fc2e5c972f";
+  src = fetchurl {
+    url = "https://github.com/agda/agda-stdlib/archive/${version}.tar.gz";
+    sha256 = "11qf87hxx3g0n8i6nkp4vqvh3i0gal6g812p0w2n4k7711nvrp9g";
   };
 
   nativeBuildInputs = [ (ghcWithPackages (self : [ self.filemanip ])) ];
@@ -22,6 +21,6 @@ agda.mkDerivation (self: rec {
     description = "A standard library for use with the Agda compiler";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
-    maintainers = with maintainers; [ jwiegley fuuzetsu ];
+    maintainers = with maintainers; [ jwiegley fuuzetsu mudri ];
   };
 })