diff --git a/make-release-tarball.sh b/make-release-tarball.sh
index 68d563fe..32e4772c 100755
--- a/make-release-tarball.sh
+++ b/make-release-tarball.sh
@@ -7,10 +7,16 @@ version=$1
 git checkout v$version
 git clean -xfd
 
+(cd rust-src; cargo license) > COPYING.rust-dependencies
+
 git ls-files|
-    tar --create --file bcachefs-tools-$version.tar -T -    \
+    tar --create --file bcachefs-tools-$version.tar -T -	\
 	--transform="s_^_bcachefs-tools-$version/_"
 
+tar --append --file bcachefs-tools-$version.tar			\
+    --transform="s_^_bcachefs-tools-$version/_"			\
+    COPYING.rust-dependencies
+
 zstd -z --ultra			bcachefs-tools-$version.tar
 
 gpg --armor --detach-sign	bcachefs-tools-$version.tar