diff --git a/pkgs/by-name/op/opendungeons/package.nix b/pkgs/by-name/op/opendungeons/package.nix
index 8af16ad1da9e..ccb6529ebe51 100644
--- a/pkgs/by-name/op/opendungeons/package.nix
+++ b/pkgs/by-name/op/opendungeons/package.nix
@@ -46,9 +46,14 @@ stdenv.mkDerivation {
   ];
 
   # source/utils/StackTraceUnix.cpp:122:2: error: #error Unsupported architecture.
-  postPatch = lib.optionalString (!stdenv.hostPlatform.isx86_64) ''
-    cp source/utils/StackTrace{Stub,Unix}.cpp
-  '';
+  postPatch =
+    lib.optionalString (!stdenv.hostPlatform.isx86_64) ''
+      cp source/utils/StackTrace{Stub,Unix}.cpp
+    ''
+    + ''
+      substituteInPlace CMakeLists.txt \
+        --replace-fail "cmake_minimum_required(VERSION 2.8)" "cmake_minimum_required(VERSION 3.10)"
+    '';
 
   strictDeps = true;