diff --git a/redeploy.sh b/redeploy.sh
new file mode 100755
index 0000000..5f61724
--- /dev/null
+++ b/redeploy.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+# Rebuild and deploy the local COSMIC Media Player fork.
+#
+# Keep this binary in /usr/local/bin so it intentionally overrides the packaged
+# /usr/bin/cosmic-player, but only after rebuilding from the current local
+# source tree.
+
+set -euo pipefail
+
+REPO="${COSMIC_PLAYER_REPO:-/home/lionel/Projets/COSMIC/cosmic-player}"
+TOOLCHAIN="${COSMIC_RUST_TOOLCHAIN:-1.93.0}"
+PREFIX="${COSMIC_LOCAL_PREFIX:-/usr/local}"
+APPID="com.system76.CosmicPlayer"
+BIN_NAME="cosmic-player"
+
+cd "$REPO"
+
+echo "==> Repository: $REPO"
+echo "==> Branch: $(git branch --show-current 2>/dev/null || echo unknown)"
+echo "==> Build release with Rust $TOOLCHAIN"
+cargo "+$TOOLCHAIN" build --release
+
+bin_built="$REPO/target/release/$BIN_NAME"
+bin_target="$PREFIX/bin/$BIN_NAME"
+
+if [[ -e "$bin_target" ]]; then
+    backup="${bin_target}.bak.$(date +%Y%m%d-%H%M%S)"
+    echo "==> Backup $bin_target -> $backup"
+    sudo cp -a "$bin_target" "$backup"
+fi
+
+echo "==> Install binary"
+sudo install -Dm0755 "$bin_built" "$bin_target"
+
+echo "==> Install desktop integration"
+sudo install -Dm0644 "target/xdgen/$APPID.desktop" "$PREFIX/share/applications/$APPID.desktop"
+sudo install -Dm0644 "target/xdgen/$APPID.metainfo.xml" "$PREFIX/share/metainfo/$APPID.metainfo.xml"
+sudo install -Dm0644 "res/$APPID.thumbnailer" "$PREFIX/share/thumbnailers/$APPID.thumbnailer"
+
+while IFS= read -r icon; do
+    rel="${icon#res/icons/hicolor/}"
+    sudo install -Dm0644 "$icon" "$PREFIX/share/icons/hicolor/$rel"
+done < <(find "res/icons/hicolor" -type f -name "$APPID.svg" | sort)
+
+echo "==> Installed version"
+"$bin_target" --version
+
+echo "OK - COSMIC Media Player rebuilt and redeployed."