@@ -114,7 +114,7 @@ for dir in bundles/$VERSION/build-deb/*/; do

 			# if we have a $GPG_PASSPHRASE we may as well

 			# dpkg-sign before copying the deb into the pool

 			if [ ! -z "$GPG_PASSPHRASE" ]; then

-				dpkg-sig -g "--no-tty --passphrase '$GPG_PASSPHRASE'" \

+				dpkg-sig -g "--no-tty  --digest-algo 'sha512' --passphrase '$GPG_PASSPHRASE'" \

 					-k "$GPG_KEYID" --sign builder "$tempdir/$d"

 			fi

 			mv "$tempdir/$d" "$APTDIR/pool/$component/d/docker-engine/"

@@ -59,7 +59,7 @@ for dir in bundles/$VERSION/build-rpm/*/; do

 			--define "_gpg_name $GPG_KEYID" \

 			--define "_signature gpg" \

 			--define "__gpg_check_password_cmd /bin/true" \

-			--define "__gpg_sign_cmd %{__gpg} gpg --batch --no-armor --passphrase '$GPG_PASSPHRASE' --no-secmem-warning -u '%{_gpg_name}' --sign --detach-sign --output %{__signature_filename} %{__plaintext_filename}" \

+			--define "__gpg_sign_cmd %{__gpg} gpg --batch --no-armor --digest-algo 'sha512' --passphrase '$GPG_PASSPHRASE' --no-secmem-warning -u '%{_gpg_name}' --sign --detach-sign --output %{__signature_filename} %{__plaintext_filename}" \

 			--resign "${RPMFILE[@]}"

 	fi

@@ -28,6 +28,7 @@ sign_packages(){

 		for F in $(find $APTDIR -name Release); do

 			if test "$F" -nt "$F.gpg" ; then

 				gpg -u "$GPG_KEYID" --passphrase "$GPG_PASSPHRASE" \

+					--digest-algo "sha512" \

 					--armor --sign --detach-sign \

 					--batch --yes \

 					--output "$F.gpg" "$F"

@@ -35,6 +36,7 @@ sign_packages(){

 			inRelease="$(dirname "$F")/InRelease"

 			if test "$F" -nt "$inRelease" ; then

 				gpg -u "$GPG_KEYID" --passphrase "$GPG_PASSPHRASE" \

+					--digest-algo "sha512" \

 					--clearsign \

 					--batch --yes \

 					--output "$inRelease" "$F"

@@ -51,6 +53,7 @@ sign_packages(){

 		for F in $(find $YUMDIR -name repomd.xml); do

 			if test "$F" -nt "$F.asc" ; then

 				gpg -u "$GPG_KEYID" --passphrase "$GPG_PASSPHRASE" \

+					--digest-algo "sha512" \

 					--armor --sign --detach-sign \

 					--batch --yes \

 					--output "$F.asc" "$F"