diff --git a/package.json b/package.json
index 66c18e1..f080b12 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
 	"dependencies": {
 		"@actions/core": "^1.11.1",
 		"@actions/exec": "^1.1.1",
+		"@actions/io": "^1.1.3",
 		"just-split": "^3.2.0"
 	},
 	"devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bede4d5..e8ec7e7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,6 +14,9 @@ importers:
       '@actions/exec':
         specifier: ^1.1.1
         version: 1.1.1
+      '@actions/io':
+        specifier: ^1.1.3
+        version: 1.1.3
       just-split:
         specifier: ^3.2.0
         version: 3.2.0
diff --git a/src/stages/install.ts b/src/stages/install.ts
index defece1..481c113 100644
--- a/src/stages/install.ts
+++ b/src/stages/install.ts
@@ -1,5 +1,6 @@
 import * as core from "@actions/core";
 import { exec } from "@actions/exec";
+import { findInPath } from "@actions/io";
 
 export const install = async () => {
 	core.startGroup("Install attic");
@@ -16,6 +17,5 @@ export const install = async () => {
 };
 
 export const isInstalled = async () => {
-	let returnCode = await exec("attic", ["-V"]);
-	return returnCode === 0;
+	return (await findInPath("attic")).length > 0;
 };