2 files changed, 2 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 68db55a76a47..52860cb7cd7c 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -21,6 +21,7 @@ pkgbase = python-pyfai
 	depends = python-pyqt5
 	depends = fftw
 	depends = opencl-driver
+	optdepends = python-silx: for additional functionality, like pyFAI-calib2
 	source = https://github.com/silx-kit/pyFAI/archive/v2023.09.tar.gz
 	sha256sums = d6cdd92a165d2b2c098095a1ddf7424cd77aeb52a1c36e730c2bf792d8d65fec
 
diff --git a/PKGBUILD b/PKGBUILD
index 93cd255b374f..db8064f28254 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -10,6 +10,7 @@ license=('GPLv3' 'BSD' 'MIT')
 depends=('python-numpy' 'python-scipy' 'python-matplotlib' 'python-fabio'
          'python-h5py' 'python-pyopencl' 'python-pyqt5' 'fftw'
          'opencl-driver')
+optdepends=('python-silx: for additional functionality, like pyFAI-calib2')
 makedepends=('cython' 'meson-python' 'python-build' 'python-installer'
              'python-wheel')
 source=("https://github.com/silx-kit/pyFAI/archive/v${pkgver}.tar.gz")