diff --git a/pkgs/by-name/mo/mozjpeg/package.nix b/pkgs/by-name/mo/mozjpeg/package.nix
index 8a73827a2953..4280e414cc71 100644
--- a/pkgs/by-name/mo/mozjpeg/package.nix
+++ b/pkgs/by-name/mo/mozjpeg/package.nix
@@ -21,6 +21,8 @@ stdenv.mkDerivation rec {
   };
 
   cmakeFlags = [
+    # Fix the build with CMake 4
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
     "-DENABLE_STATIC=NO"
     "-DPNG_SUPPORTED=TRUE"
   ]; # See https://github.com/mozilla/mozjpeg/issues/351
@@ -29,6 +31,7 @@ stdenv.mkDerivation rec {
     cmake
     pkg-config
   ];
+
   buildInputs = [
     libpng
     zlib