diff --git a/buildpack.toml b/buildpack.toml
index 7992a39..a01800f 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -37,6 +37,8 @@ api = "0.7"
     name = "Watchexec"
     purl = "pkg:generic/watchexec@1.20.5?arch=amd64"
     sha256 = "33e091870736833b77b103a8e7268c0ae66d756b8d71203405353eb9d40774f2"
+    source = "https://github.com/watchexec/watchexec/archive/refs/tags/cli-v1.20.5.tar.gz"
+    source-sha256 = "2bc04c7ecf58d34a48c3eeea54a76b7e621717cb93305497bea2f6399dd119c6"
     stacks = ["io.buildpacks.stacks.bionic", "io.paketo.stacks.tiny", "*"]
     uri = "https://github.com/watchexec/watchexec/releases/download/cli-v1.20.5/watchexec-1.20.5-x86_64-unknown-linux-musl.tar.xz"
     version = "1.20.5"