diff --git a/dev-util/rustup/rustup-1.28.2.ebuild b/dev-util/rustup/rustup-1.28.2-r1.ebuild
similarity index 98%
rename from dev-util/rustup/rustup-1.28.2.ebuild
rename to dev-util/rustup/rustup-1.28.2-r1.ebuild
index c1e6862ba7b0a..2b094f98a402a 100644
--- a/dev-util/rustup/rustup-1.28.2.ebuild
+++ b/dev-util/rustup/rustup-1.28.2-r1.ebuild
@@ -31,6 +31,7 @@ RESTRICT="test"
 
 DEPEND="
 	app-arch/xz-utils
+	app-arch/zstd
 	net-misc/curl:=[http2,ssl]
 	dev-libs/openssl:0=
 "
@@ -67,6 +68,7 @@ src_configure() {
 
 src_compile() {
 	export OPENSSL_NO_VENDOR=true
+	export ZSTD_SYS_USE_PKG_CONFIG=1
 	cargo_src_compile
 }
 
diff --git a/dev-util/rustup/rustup-9999.ebuild b/dev-util/rustup/rustup-9999.ebuild
index c54f25182a626..2b094f98a402a 100644
--- a/dev-util/rustup/rustup-9999.ebuild
+++ b/dev-util/rustup/rustup-9999.ebuild
@@ -22,13 +22,16 @@ fi
 
 LICENSE="|| ( Apache-2.0 MIT )"
 # Dependent crate licenses
-LICENSE+=" Apache-2.0 BSD ISC MIT MPL-2.0 openssl Unicode-3.0"
+LICENSE+="
+	Apache-2.0 BSD CDLA-Permissive-2.0 ISC MIT openssl Unicode-3.0 ZLIB
+"
 SLOT="0"
 # uses network
 RESTRICT="test"
 
 DEPEND="
 	app-arch/xz-utils
+	app-arch/zstd
 	net-misc/curl:=[http2,ssl]
 	dev-libs/openssl:0=
 "
@@ -65,6 +68,7 @@ src_configure() {
 
 src_compile() {
 	export OPENSSL_NO_VENDOR=true
+	export ZSTD_SYS_USE_PKG_CONFIG=1
 	cargo_src_compile
 }