diff --git a/sci-geosciences/grass/grass-9999.ebuild b/sci-geosciences/grass/grass-9999.ebuild
index 31ad3a9139148..f0e2a49326c0e 100644
--- a/sci-geosciences/grass/grass-9999.ebuild
+++ b/sci-geosciences/grass/grass-9999.ebuild
@@ -13,7 +13,7 @@ DESCRIPTION="A free GIS with raster and vector functionality, as well as 3D vizu
 HOMEPAGE="https://grass.osgeo.org/"
 
 LICENSE="GPL-2"
-SLOT="0/8.1"
+SLOT="0/8.3"
 
 GVERSION=${SLOT#*/}
 MY_PM="${PN}${GVERSION}"