diff --git a/Cargo.lock b/Cargo.lock
index 5beb8a1e16..8441eb86fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -211,6 +211,15 @@ dependencies = [
  "syn 2.0.28",
 ]
 
+[[package]]
+name = "canister_sig_util"
+version = "0.1.0"
+dependencies = [
+ "ic-certified-map",
+ "rand",
+ "sha2",
+]
+
 [[package]]
 name = "canister_tests"
 version = "0.1.0"
@@ -815,6 +824,7 @@ version = "0.1.0"
 dependencies = [
  "base64 0.21.2",
  "candid",
+ "canister_sig_util",
  "canister_tests",
  "captcha",
  "getrandom",