diff --git a/sci-astronomy/celestia/celestia-1.6.2.2.recipe b/sci-astronomy/celestia/celestia-1.6.3.recipe
similarity index 94%
rename from sci-astronomy/celestia/celestia-1.6.2.2.recipe
rename to sci-astronomy/celestia/celestia-1.6.3.recipe
index fc79865ae..15cf9135b 100644
--- a/sci-astronomy/celestia/celestia-1.6.2.2.recipe
+++ b/sci-astronomy/celestia/celestia-1.6.3.recipe
@@ -14,9 +14,9 @@ can download dozens of easy to install add-ons with more objects."
 HOMEPAGE="https://celestia.space"
 COPYRIGHT="2001-2021 Celestia Development Team"
 LICENSE="GNU GPL v2"
-REVISION="2"
-SOURCE_URI="https://fossies.org/linux/misc/Celestia-$portVersion.tar.gz"
-CHECKSUM_SHA256="d4d3bccf104a9beaf4bedb58e407172555b67113bbff3e0134d4a831d747419b"
+REVISION="1"
+SOURCE_URI="https://github.com/CelestiaProject/Celestia/archive/refs/tags/$portVersion.tar.gz"
+CHECKSUM_SHA256="f3c39317364a05ce3b646e1162e206c9330c18fcb8c5440a589840ffd35ef5c8"
 SOURCE_DIR="Celestia-$portVersion"
 PATCHES="celestia-$portVersion.patchset"
 ADDITIONAL_FILES="celestia.rdef.in"
diff --git a/sci-astronomy/celestia/patches/celestia-1.6.2.2.patchset b/sci-astronomy/celestia/patches/celestia-1.6.3.patchset
similarity index 100%
rename from sci-astronomy/celestia/patches/celestia-1.6.2.2.patchset
rename to sci-astronomy/celestia/patches/celestia-1.6.3.patchset