diff --git a/metropolis/node/version.go b/metropolis/node/version.go
new file mode 100644
index 0000000..1e20369
--- /dev/null
+++ b/metropolis/node/version.go
@@ -0,0 +1,28 @@
+// Copyright 2023 The Monogon Project Authors.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package node
+
+import (
+	"fmt"
+)
+
+var (
+	BuildCommit    = "<unknown>"
+	BuildTreeState = "<unknown>"
+	BuildVersion   = "<unknown>"
+	Version        = fmt.Sprintf("v%s - %s (%s)", BuildVersion, BuildCommit, BuildTreeState)
+)