diff --git a/pkgs/applications/misc/xygrib/default.nix b/pkgs/applications/misc/xygrib/default.nix
index 580faa360268..6fedf6751205 100644
--- a/pkgs/applications/misc/xygrib/default.nix
+++ b/pkgs/applications/misc/xygrib/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchFromGitHub, wrapQtAppsHook, cmake, bzip2, qtbase, qttools, libnova, proj_7, libpng, openjpeg }:
 
 stdenv.mkDerivation rec {
-  version = "1.2.6.1";
+  version = "unstable-2022-05-16";
   pname = "xygrib";
 
   src = fetchFromGitHub {
     owner = "opengribs";
     repo = "XyGrib";
-    rev = "v${version}";
-    sha256 = "0xzsm8pr0zjk3f8j880fg5n82jyxn8xf1330qmmq1fqv7rsrg9ia";
+    rev = "88c425ca2d7f4ba5d7ab75bfa25e177bee02d310";
+    sha256 = "sha256-qMMeRYIQqJpVRE3YjbXIiXHwS/CHs9l2QihszwQIr/A=";
   };
 
   nativeBuildInputs = [ cmake qttools wrapQtAppsHook ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ef429e339d9..d49894d2091f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -33356,7 +33356,7 @@ with pkgs;
 
   xnotify = callPackage ../tools/X11/xnotify { };
 
-  xygrib = libsForQt514.callPackage ../applications/misc/xygrib {};
+  xygrib = libsForQt5.callPackage ../applications/misc/xygrib { };
 
   xzgv = callPackage ../applications/graphics/xzgv { };