diff --git a/CMake/variants/variants.head01 b/CMake/variants/variants.head01
index 8e14b09865dafd8b7f1b3cc0510e54ff84e25c3f..9b3448d82126ce545244d0eb77afdfaf2dc3f02f 100644
--- a/CMake/variants/variants.head01
+++ b/CMake/variants/variants.head01
@@ -1,2 +1,2 @@
-set(CASACORE_ROOT_DIR /opt/casacore-v3.0.0)
+set(CASACORE_ROOT_DIR /opt/casacore-v3.3.0)
 set(DAL_ROOT_DIR      /opt/DAL-v3.3.2)