diff --git a/media-gfx/prusaslicer/prusaslicer-2.9.3.ebuild b/media-gfx/prusaslicer/prusaslicer-2.9.3-r1.ebuild
similarity index 99%
rename from media-gfx/prusaslicer/prusaslicer-2.9.3.ebuild
rename to media-gfx/prusaslicer/prusaslicer-2.9.3-r1.ebuild
index d679a8fb8cf14..31cdde32d9ff2 100644
--- a/media-gfx/prusaslicer/prusaslicer-2.9.3.ebuild
+++ b/media-gfx/prusaslicer/prusaslicer-2.9.3-r1.ebuild
@@ -30,6 +30,7 @@ RESTRICT="!test? ( test )"
 RDEPEND="
 	dev-cpp/eigen:3
 	dev-cpp/tbb:=
+	dev-cpp/nlohmann_json:=
 	dev-libs/boost:=[nls]
 	dev-libs/cereal
 	dev-libs/expat
diff --git a/media-gfx/prusaslicer/prusaslicer-9999.ebuild b/media-gfx/prusaslicer/prusaslicer-9999.ebuild
index d679a8fb8cf14..31cdde32d9ff2 100644
--- a/media-gfx/prusaslicer/prusaslicer-9999.ebuild
+++ b/media-gfx/prusaslicer/prusaslicer-9999.ebuild
@@ -30,6 +30,7 @@ RESTRICT="!test? ( test )"
 RDEPEND="
 	dev-cpp/eigen:3
 	dev-cpp/tbb:=
+	dev-cpp/nlohmann_json:=
 	dev-libs/boost:=[nls]
 	dev-libs/cereal
 	dev-libs/expat