diff --git a/tools/upgrade-version.sh b/tools/upgrade-version.sh
new file mode 100755
index 0000000..58ed04a
--- /dev/null
+++ b/tools/upgrade-version.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+OLD=$1
+NEW=$2
+find . -type f -name "Cargo.toml" -print0 | xargs -0 sed -i '' -e "s/$OLD/$NEW/g"
+find . -type f -name "*.md" -print0 | xargs -0 sed -i '' -e "s/$OLD/$NEW/g"