diff --git a/buildpack.toml b/buildpack.toml
index e56389a..0bab680 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -66,6 +66,8 @@ api = "0.7"
     name = "Leiningen"
     purl = "pkg:generic/leiningen@2.10.0"
     sha256 = "20ad1fb2de2866e18a9cce9985807936baee51bbbcdd46f240560c7d5551fc8d"
+    source = "https://github.com/technomancy/leiningen/archive/refs/tags/2.10.0.tar.gz"
+    source-sha256 = "5f4ae6ef2a9665176138730f00ce008b17de96af99a2ce5e4c3f017b2d4d5659"
     stacks = ["io.buildpacks.stacks.bionic", "io.paketo.stacks.tiny", "*"]
     uri = "https://raw.githubusercontent.com/technomancy/leiningen/2.10.0/bin/lein"
     version = "2.10.0"