diff --git a/action.yml b/action.yml
index a678a1f..1960907 100644
--- a/action.yml
+++ b/action.yml
@@ -15,7 +15,6 @@ inputs:
   source-branch:
     description: The branch of `magic-nix-cache` to use. Conflicts with all other `source-*` options.
     required: false
-    default: main
   source-pr:
     description: The PR of `magic-nix-cache` to use. Conflicts with all other `source-*` options.
     required: false
diff --git a/dist/index.js b/dist/index.js
index 15b1d38..af919d8 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -12135,7 +12135,7 @@ function getCacherUrl() {
     if (coreExports.getInput('source-revision')) {
         return `${urlPrefix}/rev/${coreExports.getInput('source-revision')}/${binarySuffix}`;
     }
-    return `${urlPrefix}/latest/${binarySuffix}`;
+    return `${urlPrefix}/stable/${binarySuffix}`;
 }
 async function fetchAutoCacher(destination) {
     const stream = createWriteStream(destination, {
diff --git a/src/index.ts b/src/index.ts
index dcbc3a7..bdbfd44 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -55,7 +55,7 @@ function getCacherUrl() : string {
     return `${urlPrefix}/rev/${core.getInput('source-revision')}/${binarySuffix}`;
   }
 
-  return `${urlPrefix}/latest/${binarySuffix}`;
+  return `${urlPrefix}/stable/${binarySuffix}`;
 }
 
 async function fetchAutoCacher(destination: string) {