diff --git a/dist/index.js b/dist/index.js
index 0c7b3e5..7d4656e 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -94066,7 +94066,7 @@ const external_node_child_process_namespaceObject = __WEBPACK_EXTERNAL_createReq
 const external_node_stream_promises_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:stream/promises");
 ;// CONCATENATED MODULE: external "node:zlib"
 const external_node_zlib_namespaceObject = __WEBPACK_EXTERNAL_createRequire(import.meta.url)("node:zlib");
-;// CONCATENATED MODULE: ./node_modules/.pnpm/github.com+DeterminateSystems+detsys-ts@f1554c0d3a5f1114cff78879e50bc118451a03c0_t7eoi6mjzqgr2plrflke2xdf7i/node_modules/detsys-ts/dist/index.js
+;// CONCATENATED MODULE: ./node_modules/.pnpm/github.com+DeterminateSystems+detsys-ts@a089656286a58dc6767247181b5280826f20473a_q6benjgi5pgerrbnqocqupyoxq/node_modules/detsys-ts/dist/index.js
 var __defProp = Object.defineProperty;
 var __export = (target, all) => {
   for (var name in all)
@@ -94676,9 +94676,8 @@ var DetSysAction = class {
     });
   }
   /**
-   * Fetches a file in `.xz` format from the URL determined by the `source-*`
-   * parameters (or `source-binary` if set). It then imports that file's
-   * contents into the Nix store and returns the path of the executable at
+   * Unpacks the closure returned by `fetchArtifact()`, imports the
+   * contents into the Nix store, and returns the path of the executable at
    * `/nix/store/STORE_PATH/bin/${bin}`.
    */
   async unpackClosure(bin) {
@@ -94755,13 +94754,12 @@ var DetSysAction = class {
     }
   }
   /**
-   * Fetch an artifact, such as a tarball, from the URL determined by the `source-*`
-   * inputs or use a provided binary specified by the `source-binary`
-   * input.
+   * Fetch an artifact, such as a tarball, from the URL determined by the
+   * `source-*` inputs.
    */
   async fetchArtifact() {
     const sourceBinary = getStringOrNull("source-binary");
-    if (sourceBinary !== null) {
+    if (sourceBinary !== null && sourceBinary !== "") {
       core.debug(`Using the provided source binary at ${sourceBinary}`);
       return sourceBinary;
     }
diff --git a/package.json b/package.json
index f3278cb..73607f8 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "dependencies": {
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",
-    "detsys-ts": "github:DeterminateSystems/detsys-ts#source-binary",
+    "detsys-ts": "github:DeterminateSystems/detsys-ts",
     "got": "^14.3.0",
     "tail": "^2.2.6"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3c75a4f..bd29d48 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ dependencies:
     specifier: ^1.1.1
     version: 1.1.1
   detsys-ts:
-    specifier: github:DeterminateSystems/detsys-ts#source-binary
-    version: github.com/DeterminateSystems/detsys-ts/f1554c0d3a5f1114cff78879e50bc118451a03c0
+    specifier: github:DeterminateSystems/detsys-ts
+    version: github.com/DeterminateSystems/detsys-ts/a089656286a58dc6767247181b5280826f20473a
   got:
     specifier: ^14.3.0
     version: 14.3.0
@@ -3823,8 +3823,8 @@ packages:
     engines: {node: '>=10'}
     dev: true
 
-  github.com/DeterminateSystems/detsys-ts/f1554c0d3a5f1114cff78879e50bc118451a03c0:
-    resolution: {tarball: https://codeload.github.com/DeterminateSystems/detsys-ts/tar.gz/f1554c0d3a5f1114cff78879e50bc118451a03c0}
+  github.com/DeterminateSystems/detsys-ts/a089656286a58dc6767247181b5280826f20473a:
+    resolution: {tarball: https://codeload.github.com/DeterminateSystems/detsys-ts/tar.gz/a089656286a58dc6767247181b5280826f20473a}
     name: detsys-ts
     version: 1.0.0
     dependencies: