diff --git a/.cargo/config.toml b/.cargo/config.toml
index e69de29..0236928 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -0,0 +1,5 @@
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "vendor"
diff --git a/Cargo.toml b/Cargo.toml
index e360829..7ee2940 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,9 @@ base64 = "0.22.1"
 openssl = "0.10.68"
 serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0"
+
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "vendor"