diff --git a/release-tarball-build-dist/Dockerfile b/release-tarball-build-dist/Dockerfile
index dad9d0a8..678efd4d 100644
--- a/release-tarball-build-dist/Dockerfile
+++ b/release-tarball-build-dist/Dockerfile
@@ -67,6 +67,7 @@ RUN	apt-get update && \
 		make \
 		mscgen \
 		python3-nwdiag \
+		rsync \
 		xsltproc \
 		&& \
 	apt-get clean
diff --git a/release-tarball-build-dist/jenkins.sh b/release-tarball-build-dist/jenkins.sh
index 0177da82..d59aa153 100755
--- a/release-tarball-build-dist/jenkins.sh
+++ b/release-tarball-build-dist/jenkins.sh
@@ -8,21 +8,13 @@ docker_images_require \
 docker run \
 	--rm=true \
 	-v "$PWD:/build" \
+	-v "$(readlink -f $SSH_AUTH_SOCK)":/ssh-agent \
 	-w /osmo-ci \
 	-e KEEP_TEMP="$KEEP_TEMP" \
+	-e SSH_AUTH_SOCK=/ssh-agent \
 	"$USER/release-tarball-build-dist" sh -e /build/osmocom-release-tarballs.sh
 
 if [ -z "$WORKSPACE" ]; then
 	set +x
 	echo "NOTE: not running on jenkins, skipping upload"
 fi
-
-cat > "$WORKSPACE/known_hosts" <<EOF
-[ftp.osmocom.org]:48 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDgQ9HntlpWNmh953a2Gc8NysKE4orOatVT1wQkyzhARnfYUerRuwyNr1GqMyBKdSI9amYVBXJIOUFcpV81niA7zQRUs66bpIMkE9/rHxBd81SkorEPOIS84W4vm3SZtuNqa+fADcqe88Hcb0ZdTzjKILuwi19gzrQyME2knHY71EOETe9Yow5RD2hTIpB5ecNxI0LUKDq+Ii8HfBvndPBIr0BWYDugckQ3Bocf+yn/tn2/GZieFEyFpBGF/MnLbAAfUKIdeyFRX7ufaiWWz5yKAfEhtziqdAGZaXNaLG6gkpy3EixOAy6ZXuTAk3b3Y0FUmDjhOHllbPmTOcKMry9
-[ftp.osmocom.org]:48 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPdWn1kEousXuKsZ+qJEZTt/NSeASxCrUfNDW3LWtH+d8Ust7ZuKp/vuyG+5pe5pwpPOgFu7TjN+0lVjYJVXH54=
-[ftp.osmocom.org]:48 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK8iivY70EiR5NiGChV39gRLjNpC8lvu1ZdHtdMw2zuX
-EOF
-
-SSH_COMMAND="ssh -o 'UserKnownHostsFile=$WORKSPACE/known_hosts' -p 48"
-cd _release_tarballs
-rsync -avz --delete -e "$SSH_COMMAND" . releases@ftp.osmocom.org:web-files/
diff --git a/release-tarball-build-dist/known_hosts b/release-tarball-build-dist/known_hosts
new file mode 100644
index 00000000..de29e933
--- /dev/null
+++ b/release-tarball-build-dist/known_hosts
@@ -0,0 +1,3 @@
+[ftp.osmocom.org]:48 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDgQ9HntlpWNmh953a2Gc8NysKE4orOatVT1wQkyzhARnfYUerRuwyNr1GqMyBKdSI9amYVBXJIOUFcpV81niA7zQRUs66bpIMkE9/rHxBd81SkorEPOIS84W4vm3SZtuNqa+fADcqe88Hcb0ZdTzjKILuwi19gzrQyME2knHY71EOETe9Yow5RD2hTIpB5ecNxI0LUKDq+Ii8HfBvndPBIr0BWYDugckQ3Bocf+yn/tn2/GZieFEyFpBGF/MnLbAAfUKIdeyFRX7ufaiWWz5yKAfEhtziqdAGZaXNaLG6gkpy3EixOAy6ZXuTAk3b3Y0FUmDjhOHllbPmTOcKMry9
+[ftp.osmocom.org]:48 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPdWn1kEousXuKsZ+qJEZTt/NSeASxCrUfNDW3LWtH+d8Ust7ZuKp/vuyG+5pe5pwpPOgFu7TjN+0lVjYJVXH54=
+[ftp.osmocom.org]:48 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK8iivY70EiR5NiGChV39gRLjNpC8lvu1ZdHtdMw2zuX
diff --git a/release-tarball-build-dist/osmocom-release-tarballs.sh b/release-tarball-build-dist/osmocom-release-tarballs.sh
index 02b81a6e..04b83505 100644
--- a/release-tarball-build-dist/osmocom-release-tarballs.sh
+++ b/release-tarball-build-dist/osmocom-release-tarballs.sh
@@ -6,6 +6,7 @@
 # Environment variables:
 # * KEEP_TEMP: do not delete cloned repositories (use for development)
 # * PARALLEL_MAKE: -jN argument for make (default: -j5).
+SSH_COMMAND="ssh -o UserKnownHostsFile=/build/known_hosts -p 48"
 OSMO_GIT_URL="https://git.osmocom.org"
 OSMO_RELEASE_REPOS="
 	libasn1c
@@ -315,6 +316,11 @@ create_move_tarball() {
 	esac
 }
 
+upload() {
+	cd _release_tarballs
+	rsync -avz --delete -e "$SSH_COMMAND" . releases@ftp.osmocom.org:web-files/
+}
+
 remove_temp_dir
 mkdir -p "$TEMP/repos"
 echo "Temp dir: $TEMP"
@@ -346,4 +352,5 @@ for repo in $OSMO_RELEASE_REPOS; do
 done
 
 remove_temp_dir
+upload
 echo "done!"