diff --git a/sumpy/__init__.py b/sumpy/__init__.py
index 4c10cea157d2f1cf03a78fd242df393648d0c150..8d9e2441095524ec75f1f44997090178fb265bd2 100644
--- a/sumpy/__init__.py
+++ b/sumpy/__init__.py
@@ -36,7 +36,7 @@ __all__ = [
     "E2EFromCSR", "E2EFromChildren", "E2EFromParent"]
 
 
-code_cache = PersistentDict("sumpy-code-cache-v2-"+VERSION_TEXT)
+code_cache = PersistentDict("sumpy-code-cache-v3-"+VERSION_TEXT)
 
 
 # {{{ cache control