diff --git a/test_tx.rdf b/test_tx.rdf
index 609263e..b18c144 100644
--- a/test_tx.rdf
+++ b/test_tx.rdf
@@ -1,5 +1,5 @@
 @prefix evm: <https://defalsify.org/rdf-eth/0.1/> .
-@prefix cic: <https://grassrootseconomics.net/rdf/0.1/cic#> .
+@prefix cic: <https://cicnet.org/rdf/0.1/> .
 @prefix ge: <https://grassrootseconomics.net/rdf/0.1/ge#> .
 @prefix redcross: <https://redcross.com/cic-def/0.1/> .
 
diff --git a/test_voucher.rdf b/test_voucher.rdf
index ba97618..2830a3c 100644
--- a/test_voucher.rdf
+++ b/test_voucher.rdf
@@ -1,5 +1,5 @@
 @prefix evm: <https://defalsify.org/rdf-eth/0.1/> .
-@prefix cic: <https://grassrootseconomics.net/rdf/0.1/cic#> .
+@prefix cic: <https://cicnet.org/rdf/0.1/> .
 @prefix ge: <https://grassrootseconomics.net/rdf/0.1/ge#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .