diff --git a/make.sh b/make.sh
index 7b4a6ae5e5b2..a3a45706cf38 100755
--- a/make.sh
+++ b/make.sh
@@ -118,7 +118,7 @@ trap 'rm -f "$pub" "$sig" "$zip"' EXIT
 # zip up the crx dir
 cwd=$(pwd -P)
 (cd "$dir" && ../../utils/create_zip.py -n "$cwd/$zip" -x "../../.build_exclusions" .)
-echo >&2 "CWS crx package has sha1sum: `sha1sum "$cwd/$zip"`"
+echo >&2 "CWS crx package has sha256sum: `openssl dgst -sha256 -binary "$cwd/$zip" | xxd -p`"
 
 # signature
 openssl sha1 -sha1 -binary -sign "$key" < "$zip" > "$sig"
@@ -157,7 +157,7 @@ zip="$name.zip"
 
 cwd=$(pwd -P)
 (cd "$dir" && ../../utils/create_zip.py -n "$cwd/$zip" -x "../../.build_exclusions" .)
-echo >&2 "AMO xpi package has sha1sum: `sha1sum "$cwd/$zip"`"
+echo >&2 "AMO xpi package has sha256sum: `openssl dgst -sha256 -binary "$cwd/$zip" | xxd -p`"
 
 cp $zip $xpi_amo
 
@@ -170,7 +170,7 @@ zip="$name.zip"
 
 cwd=$(pwd -P)
 (cd "$dir" && ../../utils/create_zip.py -n "$cwd/$zip" -x "../../.build_exclusions" .)
-echo >&2 "EFF xpi package has sha1sum: `sha1sum "$cwd/$zip"`"
+echo >&2 "EFF xpi package has sha256sum: `openssl dgst -sha256 -binary "$cwd/$zip" | xxd -p`"
 
 cp $zip $xpi_eff