diff --git a/Cargo.lock b/Cargo.lock
index 8af5142..e9c42dc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1301,6 +1301,7 @@ dependencies = [
  "standback",
  "stderrlog",
  "text_io",
+ "uuid",
 ]
 
 [[package]]
@@ -1609,6 +1610,15 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+dependencies = [
+ "getrandom 0.2.2",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.11"
diff --git a/Cargo.toml b/Cargo.toml
index 3e2d098..e0466f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,4 @@ stderrlog = "0.4"
 cookie = "0.14"
 regex = "1"
 lazy_static = "1.4.0"
+uuid = { version = "0.8", features = ["v4"] }