diff --git a/pkgs/by-name/ac/aces-container/package.nix b/pkgs/by-name/ac/aces-container/package.nix
index 345093493f9e..121b7a17bbdf 100644
--- a/pkgs/by-name/ac/aces-container/package.nix
+++ b/pkgs/by-name/ac/aces-container/package.nix
@@ -16,6 +16,14 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-luMqXqlJ6UzoawEDmbK38lm3GHosaZm/mFJntBF54Y4=";
   };
 
+  # Fix the build with CMake 4.
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required (VERSION 2.6)' \
+        'cmake_minimum_required(VERSION 3.10)'
+  '';
+
   nativeBuildInputs = [
     cmake
   ];
diff --git a/pkgs/by-name/ar/art/package.nix b/pkgs/by-name/ar/art/package.nix
index 327665ec8503..f2965d965d20 100644
--- a/pkgs/by-name/ar/art/package.nix
+++ b/pkgs/by-name/ar/art/package.nix
@@ -49,6 +49,14 @@ stdenv.mkDerivation rec {
     hash = "sha256-dg0msZ0aeyl4L7RqqGur9Lalu1QtE0igEc54WT5F+SQ=";
   };
 
+  # Fix the build with CMake 4.
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required(VERSION 3.9)' \
+        'cmake_minimum_required(VERSION 3.10)'
+  '';
+
   nativeBuildInputs = [
     cmake
     pkg-config
@@ -109,7 +117,7 @@ stdenv.mkDerivation rec {
     homepage = "https://art.pixls.us";
     license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [ paperdigits ];
-    mainProgram = "art";
+    mainProgram = "ART";
     platforms = lib.platforms.linux;
   };
 }