diff --git a/pkgs/development/coq-modules/bignums/default.nix b/pkgs/development/coq-modules/bignums/default.nix
index cb83a9fdc33..0001ae1ded4 100644
--- a/pkgs/development/coq-modules/bignums/default.nix
+++ b/pkgs/development/coq-modules/bignums/default.nix
@@ -8,6 +8,7 @@ with lib; mkCoqDerivation {
   defaultVersion = if versions.isGe "8.5" coq.coq-version
     then "${coq.coq-version}.0" else null;
 
+  release."8.15.0".sha256 = "093klwlhclgyrba1iv18dyz1qp5f0lwiaa7y0qwvgmai8rll5fns";
   release."8.14.0".sha256 = "0jsgdvj0ddhkls32krprp34r64y1rb5mwxl34fgaxk2k4664yq06";
   release."8.13.0".sha256 = "1n66i7hd9222b2ks606mak7m4f0dgy02xgygjskmmav6h7g2sx7y";
   release."8.12.0".sha256 = "14ijb3qy2hin3g4djx437jmnswxxq7lkfh3dwh9qvrds9a015yg8";