diff --git a/pkgs/development/coq-modules/dpdgraph/default.nix b/pkgs/development/coq-modules/dpdgraph/default.nix
index 689745003df..54654f37bac 100644
--- a/pkgs/development/coq-modules/dpdgraph/default.nix
+++ b/pkgs/development/coq-modules/dpdgraph/default.nix
@@ -1,6 +1,10 @@
 { stdenv, fetchFromGitHub, autoreconfHook, coq }:
 
 let params = {
+  "8.12" = {
+    version = "0.6.8";
+    sha256 = "1mj6sknsd53xfb387sp3kdwvl4wn80ck24bfzf3s6mgw1a12vyps";
+  };
   "8.11" = {
     version = "0.6.7";
     sha256 = "01vpi7scvkl4ls1z2k2x9zd65wflzb667idj759859hlz3ps9z09";