diff --git a/community/vtk/PKGBUILD b/community/vtk/PKGBUILD
index eff4e3988..0f2c49c99 100644
--- a/community/vtk/PKGBUILD
+++ b/community/vtk/PKGBUILD
@@ -8,6 +8,7 @@
 # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
 #  - remove make/optdepends on adios2, openimagedenoise, ospray
 #  - add makedepend on tbb, previously pulled in by ospray
+#  - add makedepend on nlohmann-json, previously pulled in by adios2
 #  - explicitly disable the fides, adios2 modules due to -DVTK_BUILD_ALL_MODULES=ON
 #  - generalize moving .so files in install
 #  - removed -ffat-lto-objects from CFLAGS
@@ -26,7 +27,7 @@ makedepends=(cmake boost doxygen ffmpeg gdal git gnuplot java-environment=11
              qt5-tools qt5-declarative tk unixodbc wget
              cgns cli11 eigen expat fmt freetype2 gl2ps glew hdf5 libjpeg
              jsoncpp libjsoncpp.so libharu proj libxml2 lz4 xz python-mpi4py
-             netcdf libogg libpng rapidjson sqlite libtheora utf8cpp zfp zlib openxr verdict)
+             netcdf libogg libpng rapidjson sqlite libtheora utf8cpp zfp zlib openxr verdict nlohmann-json)
 # pegtl: https://gitlab.kitware.com/vtk/vtk/-/issues/18151
 # exprtk, ioss: not packaged
 optdepends=('gnuplot: plotting tools'