diff --git a/src/install.ts b/src/install.ts
index cfc81ef..16a773c 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -193,6 +193,9 @@ fi`
     case 'zsh':
       fs.writeFileSync(shellInfo.path, 'export PATH=${0:A:h}/bin:$PATH')
       return writeConfig('.zshrc', initContent)
+    case 'fish':
+      fs.writeFileSync(shellInfo.path, 'set -U fish_user_paths (dirname (status --current-filename)) $fish_user_paths')
+      return writeConfig('.config/fish/config.fish', `test -f '${shellInfo.path}' && source '${shellInfo.path}'`)
     default:
       const error = `Unable to set credential helper in PATH. We don't how to set the path for ${shellInfo.shell} shell.
 Set the helper path in your environment PATH: ${joinBinPath()}`