diff --git a/src/backend/gardenGate/getServiceAccountIdToken.ts b/src/backend/gardenGate/getServiceAccountIdToken.ts
index 7fe1d678..e8e5a7f5 100644
--- a/src/backend/gardenGate/getServiceAccountIdToken.ts
+++ b/src/backend/gardenGate/getServiceAccountIdToken.ts
@@ -6,7 +6,11 @@ export const getServiceAccountIdToken = async (
   audience: string,
   credentialPath: string
 ) => {
-  const cachedToken = await readFileSystem<string>(['googleIdToken', audience])
+  const cachedToken = await readFileSystem<string>([
+    'googleIdToken',
+    audience,
+    credentialPath,
+  ])
 
   if (cachedToken !== null) return cachedToken.data
 
@@ -18,7 +22,11 @@ export const getServiceAccountIdToken = async (
   // each token has a lifespan of 1 hour
   const token = await client.fetchIdToken(audience)
 
-  // allow caching token for 30 minutes, preventing spaming to google cloud
-  await writeFileSystem(['googleIdToken', audience], token, 30 * 60 * 1000)
+  // allow caching token for 30 minutes, preventing spamming to google cloud
+  await writeFileSystem(
+    ['googleIdToken', audience, credentialPath],
+    token,
+    30 * 60 * 1000
+  )
   return token
 }