diff --git a/gitpath/__init__.py b/gitpath/__init__.py
index 082f543..89861a8 100644
--- a/gitpath/__init__.py
+++ b/gitpath/__init__.py
@@ -1,5 +1,8 @@
 from subprocess import check_output, CalledProcessError
-from functools import lru_cache
+try:
+    from functools import lru_cache
+except ImportError:
+    from backports.functools_lru_cache import lru_cache
 import os.path