diff --git a/src/functions.ts b/src/functions.ts
index a39138c..0e8adc8 100644
--- a/src/functions.ts
+++ b/src/functions.ts
@@ -35,7 +35,7 @@ export async function release_data(
 ): Promise<object> {
   // Setup tag-based filtering
   let filter = (r: object): boolean => {
-    return semver.satisfies(r.tag_name, version, true)
+    return semver.satisfies(r['tag_name'], version, true)
   }
 
   // Check if the user passed a 'latest*' tag, and override filtering
@@ -49,7 +49,7 @@ export async function release_data(
       }
     } else if (version.includes('-edge')) {
       filter = r => {
-        return r.tag_name.endsWith('-edge')
+        return r['tag_name'].endsWith('-edge')
       }
     } else {
       // This is special: passing 'latest' or 'latest-stable' allows us to use
@@ -62,6 +62,7 @@ export async function release_data(
   // Get all the releases
   const all_releases = await all_nf_releases(ok)
 
+  // FIXME Ignore
   const matching_releases = all_releases.filter(filter)
 
   matching_releases.sort(function (x, y) {
@@ -71,13 +72,13 @@ export async function release_data(
   return matching_releases[0]
 }
 
-export function nextflow_bin_url(release, get_all: boolean): string {
-  const release_assets = release.assets
-  const all_asset = release_assets.filter(a => {
-    return a.browser_download_url.endsWith('-all')
+export function nextflow_bin_url(release: object, get_all: boolean): string {
+  const release_assets = release['assets']
+  const all_asset = release_assets.filter((a: object) => {
+    return a['browser_download_url'].endsWith('-all')
   })[0]
-  const regular_asset = release_assets.filter(a => {
-    return a.name === 'nextflow'
+  const regular_asset = release_assets.filter((a: object) => {
+    return a['name'] === 'nextflow'
   })[0]
 
   const dl_asset = get_all ? all_asset : regular_asset
diff --git a/src/main.ts b/src/main.ts
index f2cbc12..40dc9d1 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -32,8 +32,10 @@ async function run(): Promise<void> {
   let release = {}
   try {
     release = await release_data(version, octokit)
-    resolved_version = release.tag_name
-    core.info(`Input version '${version}' resolved to Nextflow ${release.name}`)
+    resolved_version = release['tag_name']
+    core.info(
+      `Input version '${version}' resolved to Nextflow ${release['name']}`
+    )
   } catch (e: unknown) {
     if (e instanceof Error) {
       core.setFailed(
diff --git a/test/functions.ts b/test/functions.ts
index bd9a648..1704833 100644
--- a/test/functions.ts
+++ b/test/functions.ts
@@ -12,19 +12,21 @@ test.before(t => {
 })
 
 test('all_nf_releases', async t => {
-  const result = await functions.all_nf_releases(t.context.octokit)
+  const result = await functions.all_nf_releases(t.context['octokit'])
   t.is(typeof result, 'object')
 })
 
 test('lastest_stable_release_data', async t => {
-  const result = await functions.latest_stable_release_data(t.context.octokit)
+  const result = await functions.latest_stable_release_data(
+    t.context['octokit']
+  )
   t.is(typeof result, 'object')
-  t.is(result.tag_name, 'v22.10.2')
+  t.is(result['tag_name'], 'v22.10.2')
 })
 
 test('release_data', async t => {
-  const result = await functions.release_data('v22.10.2', t.context.octokit)
-  t.is(result.tag_name, 'v22.10.2')
+  const result = await functions.release_data('v22.10.2', t.context['octokit'])
+  t.is(result['tag_name'], 'v22.10.2')
 })
 
 test.todo('nextflow_bin_url')