diff --git a/build_lofar.sh.config.rrz b/build_lofar.sh.config.rrz
index ebc2c5f461435d1a31aa74f096d9a783072af793..b6b5b8d5258bb8afde5e5a9857f77b7d11988a61 100644
--- a/build_lofar.sh.config.rrz
+++ b/build_lofar.sh.config.rrz
@@ -1,7 +1,7 @@
 # The setup on the Hamburg LOFAR GPU Cluster.
 
 aoflagger_version=2.14.0
-casacore_version=latest
+casacore_version=3.3.0
 dysco_version=1.2.0
 pybdsf_version=latest # weird C++ template error with 1.8.12
 pycasa_version=3.1.1