diff --git a/build/flatpak/org.gimp.GIMP-nightly.json b/build/flatpak/org.gimp.GIMP-nightly.json
index 9d15b0f1c6..2416736e81 100644
--- a/build/flatpak/org.gimp.GIMP-nightly.json
+++ b/build/flatpak/org.gimp.GIMP-nightly.json
@@ -505,6 +505,8 @@
                 {
                     "name": "libde265",
                     "config-opts": [
+                        "--disable-dec265",
+                        "--disable-encoder",
                         "--disable-sherlock265"
                     ],
                     "cleanup": [
@@ -636,18 +638,19 @@
         {
             "name": "libjxl",
             "config-opts": [
-                "-DJPEGXL_ENABLE_PLUGINS=OFF",
                 "-DBUILD_TESTING=OFF",
-                "-DJPEGXL_WARNINGS_AS_ERRORS=OFF",
-                "-DJPEGXL_ENABLE_SJPEG=OFF",
                 "-DJPEGXL_ENABLE_BENCHMARK=OFF",
                 "-DJPEGXL_ENABLE_DOXYGEN=OFF",
                 "-DJPEGXL_ENABLE_EXAMPLES=OFF",
-                "-DJPEGXL_ENABLE_MANPAGES=OFF",
-                "-DJPEGXL_ENABLE_SKCMS=ON",
                 "-DJPEGXL_ENABLE_JNI=OFF",
+                "-DJPEGXL_ENABLE_MANPAGES=OFF",
+                "-DJPEGXL_ENABLE_PLUGINS=OFF",
+                "-DJPEGXL_ENABLE_SJPEG=OFF",
+                "-DJPEGXL_ENABLE_SKCMS=ON",
                 "-DJPEGXL_ENABLE_TCMALLOC=OFF",
-                "-DJPEGXL_ENABLE_TOOLS=OFF"
+                "-DJPEGXL_ENABLE_TOOLS=OFF",
+                "-DJPEGXL_FORCE_SYSTEM_BROTLI=ON",
+                "-DJPEGXL_WARNINGS_AS_ERRORS=OFF"
             ],
             "buildsystem": "cmake-ninja",
             "builddir": true,