diff --git a/pkgs/applications/science/biology/diamond/default.nix b/pkgs/applications/science/biology/diamond/default.nix
index 76ef4b7784c4..9f47a9f0e4c5 100644
--- a/pkgs/applications/science/biology/diamond/default.nix
+++ b/pkgs/applications/science/biology/diamond/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "diamond";
-  version = "2.1.7";
+  version = "2.1.8";
 
   src = fetchFromGitHub {
     owner = "bbuchfink";
     repo = "diamond";
     rev = "v${version}";
-    sha256 = "sha256-5AjP7zH0WZhJqhcjgQjeK/WPCqy1Tl1gXXqRsHbqkys=";
+    sha256 = "sha256-6L/eS3shfJ33bsXo1BaCO4lKklh2KbOIO2tZsvwcjnA=";
   };