diff --git a/scripts/generate-longhorm-yaml.sh b/scripts/generate-longhorn-yaml.sh
similarity index 100%
rename from scripts/generate-longhorm-yaml.sh
rename to scripts/generate-longhorn-yaml.sh
diff --git a/scripts/update-manifests-dev-version.sh b/scripts/update-manifests-dev-version.sh
new file mode 100755
index 0000000..65a6ae8
--- /dev/null
+++ b/scripts/update-manifests-dev-version.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+# Example:
+#   ./scripts/update-manifests-dev-version.sh 1.3.0 1.4.0
+#
+# Result:
+#   Chart version will be updated to 1.4.0-dev
+#   Images (manager, engine, ui) will be updated to master-head
+#
+
+set -o errexit
+set -o nounset
+
+PRJ_DIR=$(readlink -f "$(dirname "${BASH_SOURCE[0]}")/.." 2>/dev/null || realpath "$(dirname "${BASH_SOURCE[0]}")/.." 2>/dev/null)
+CURRENT_VERSION=${CURRENT_VERSION:-$1}
+NEW_VERSION=${NEW_VERSION:-$2}-dev
+
+mapfile -t manifests < <(find "$PRJ_DIR" -type f -a \( -name '*.yaml' -o -name 'longhorn-images.txt' \))
+
+if [[ ${#manifests[@]} -le 0 ]]; then
+  echo "No manifests found to update from $PRJ_DIR" >/dev/stderr
+  exit 1
+fi
+
+echo "Updating $CURRENT_VERSION -> $NEW_VERSION-dev with master-head images in below manifests"
+for f in "${manifests[@]}"; do
+  f_name=$(basename "$f")
+
+  if [[ $f_name == "Chart.yaml" ]]; then
+    sed -i "s#\(version: \)${CURRENT_VERSION}#\1${NEW_VERSION}#g" "$f"
+    sed -i "s#\(appVersion: v\)${CURRENT_VERSION}#\1${NEW_VERSION}#g" "$f"
+  else
+    sed -i "s#\(:\s*\)v${CURRENT_VERSION}#\1master-head#g" "$f"
+  fi
+
+  echo "$f updated"
+done
+
+. "$PRJ_DIR"/scripts/generate-longhorn-yaml.sh
\ No newline at end of file