diff --git a/Cargo.lock b/Cargo.lock
index 53d910c4..754eee14 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -543,6 +543,7 @@ dependencies = [
  "hammer-build",
  "hammer-core",
  "hammer-journal",
+ "hammer-mirror",
  "hammer-overlay",
  "hex",
  "serde_json",
@@ -583,6 +584,19 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "hammer-mirror"
+version = "0.0.1"
+dependencies = [
+ "anyhow",
+ "hammer-core",
+ "serde",
+ "serde_json",
+ "tempfile",
+ "thiserror",
+ "tracing",
+]
+
 [[package]]
 name = "hammer-overlay"
 version = "0.0.1"