diff --git a/builder/setup_libxc.py b/builder/setup_libxc.py
index ba23e885..28652aa6 100644
--- a/builder/setup_libxc.py
+++ b/builder/setup_libxc.py
@@ -35,7 +35,7 @@
 DOWNLOAD_URL = None
 CLASSIFIERS = None
 PLATFORMS = None
-VERSION = '0.3'
+VERSION = '0.4'
 
 def get_cuda_version():
     nvcc_out = subprocess.check_output(["nvcc", "--version"]).decode('utf-8')