diff --git a/cmake/custom/xcfun.cmake b/cmake/custom/xcfun.cmake
index 7170d8c..69d7b78 100644
--- a/cmake/custom/xcfun.cmake
+++ b/cmake/custom/xcfun.cmake
@@ -7,7 +7,7 @@ FetchContent_Populate(xcfun_sources
   GIT_REPOSITORY
     https://github.com/dftlibs/xcfun.git
   GIT_TAG
-    ca137ba62577796b6cf916fbb83ab79784096ecf
+    v2.0.0a1
   )
 
 add_subdirectory(