diff --git a/index.js b/index.js
index 5f1ec8d..03065eb 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,5 @@
 const core = require("@actions/core");
+const exec = require("@actions/exec")
 const fs = require("fs");
 const github = require("@actions/github");
 const io = require("@actions/io");
@@ -163,6 +164,13 @@ async function run() {
   } catch (e) {
     core.setFailed(e.message);
   }
+
+  // Run Nextflow so it downloads its dependencies
+  try {
+    const nf_exit_code = await exec.exec("nextflow", ["help"])
+  } catch (e) {
+    core.warning("Nextflow appears to have installed correctly, but an error was thrown while running it.")
+  }
 }
 
 run();
diff --git a/package-lock.json b/package-lock.json
index faf89ee..1dcc0e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "@actions/core": "^1.8.2",
+        "@actions/exec": "^1.1.1",
         "@actions/github": "^5.0.3",
         "@actions/tool-cache": "^2.0.1",
         "async-retry": "^1.3.3",
diff --git a/package.json b/package.json
index 8686df6..b242a84 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "@actions/core": "^1.8.2",
+    "@actions/exec": "^1.1.1",
     "@actions/github": "^5.0.3",
     "@actions/tool-cache": "^2.0.1",
     "async-retry": "^1.3.3",