diff --git a/pkgs/applications/science/biology/mafft/default.nix b/pkgs/applications/science/biology/mafft/default.nix
index 19d0d93c58df..6b317b43de6e 100644
--- a/pkgs/applications/science/biology/mafft/default.nix
+++ b/pkgs/applications/science/biology/mafft/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mafft";
-  version = "7.508";
+  version = "7.515";
 
   src = fetchFromGitLab {
     owner = "sysimm";
     repo = pname;
-    rev = version;
-    sha256 = "sha256-XQllmTgLntCBUFJzV2HL4f4oMilcUVTRgcfeZBdD5c0=";
+    rev = "v${version}";
+    sha256 = "sha256-ssZvjOHJLsBjB48sKr1U7VrRZUIduFkme22MdVbzoNk=";
   };
 
   preBuild = ''