diff --git a/INSTALL.in b/INSTALL.in
index 645b9d387a..8000954f74 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -265,11 +265,13 @@ help in that regard:
 
      cairo-pdf           @CAIRO_PDF_REQUIRED_VERSION@         PDF export
      cfitsio             -              FITS
+     iso-codes           -              Language selection
      ExcHndl             -              Crash logs on Windows with Dr. MinGW
      gs                  -              ghostscript
      libaa               -              ASCII art
-     libheif             @LIBHEIF_REQUIRED_VERSION@          HEIF
+     libheif             @LIBHEIF_REQUIRED_VERSION@         HEIF (HEIC, AVIF)
      libilbm             -              Amiga IFF/ILBM
+     libjxl              @LIBJXL_REQUIRED_VERSION@          JPEG XL
      libmng              -              MNG
      libwebp             @WEBP_REQUIRED_VERSION@          WebP (built with --enable-libwebpmux and --enable-libwebpdemux)
      libwmf              @WMF_REQUIRED_VERSION@          WMF
@@ -277,7 +279,7 @@ help in that regard:
      libxpm              -              XPM
      openexr             @OPENEXR_REQUIRED_VERSION@          OpenEXR
      OpenJPEG            @OPENJPEG_REQUIRED_VERSION@          JPEG 2000
-     Python              @PYTHON3_REQUIRED_VERSION@           Python 3 plug-ins
+     Python              @PYTHON3_REQUIRED_VERSION@          Python 3 plug-ins
      qoi                 -              QOI
      webkit              @WEBKITGTK_REQUIRED_VERSION@         Help browser & webpage
      vala                -              Vala plug-ins
diff --git a/meson.build b/meson.build
index 5ec0920675..2605b17649 100644
--- a/meson.build
+++ b/meson.build
@@ -1696,6 +1696,7 @@ install_conf.set('GTK_REQUIRED_VERSION',          gtk3_minver)
 install_conf.set('HARFBUZZ_REQUIRED_VERSION',     harfbuzz_minver)
 install_conf.set('LCMS_REQUIRED_VERSION',         lcms_minver)
 install_conf.set('LIBHEIF_REQUIRED_VERSION',      libheif_minver)
+install_conf.set('LIBJXL_REQUIRED_VERSION',       jpegxl_minver)
 install_conf.set('LIBLZMA_REQUIRED_VERSION',      liblzma_minver)
 install_conf.set('LIBTIFF_REQUIRED_VERSION',      libtiff_minver)
 install_conf.set('LIBMYPAINT_REQUIRED_VERSION',   libmypaint_minver)