diff --git a/pkgs/by-name/di/diamond/package.nix b/pkgs/by-name/di/diamond/package.nix
index 3df9a9234b9a..8f4d70d146c4 100644
--- a/pkgs/by-name/di/diamond/package.nix
+++ b/pkgs/by-name/di/diamond/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "diamond";
-  version = "2.1.12";
+  version = "2.1.13";
 
   src = fetchFromGitHub {
     owner = "bbuchfink";
     repo = "diamond";
     rev = "v${version}";
-    sha256 = "sha256-C4hr0Strv7h76NzcOLB0tfbqKSk+Us6cwoJlstYfvto=";
+    sha256 = "sha256-1y1eBOmWxZSPKX/VWo1tyimDxqyabOpyP6fX1CcL9sU=";
   };
 
   nativeBuildInputs = [ cmake ];