diff --git a/vocabularies/ro-crate/test3/coscine.ttl b/vocabularies/ro-crate/test3/coscine.ttl
deleted file mode 100644
index 9ca9966fd3c934d25b3280b98e4918caba396aed..0000000000000000000000000000000000000000
--- a/vocabularies/ro-crate/test3/coscine.ttl
+++ /dev/null
@@ -1,7 +0,0 @@
-@base <http://purl.org/coscine/vocabularies/ro-crate/test3> .
-
-
-@prefix coscinetype: <https://purl.org/coscine/terms/types#> .
-
-<http://purl.org/coscine/vocabularies/ro-crate/test3>
-  a coscinetype:Vocabulary .
diff --git a/vocabularies/ro-crate/test4/coscine.ttl b/vocabularies/ro-crate/test4/coscine.ttl
new file mode 100644
index 0000000000000000000000000000000000000000..76914c7ad096661c55c0152d5bc9274ee0d21228
--- /dev/null
+++ b/vocabularies/ro-crate/test4/coscine.ttl
@@ -0,0 +1,7 @@
+@base <http://purl.org/coscine/vocabularies/ro-crate/test4> .
+
+
+@prefix coscinetype: <https://purl.org/coscine/terms/types#> .
+
+<http://purl.org/coscine/vocabularies/ro-crate/test4>
+  a coscinetype:Vocabulary .
diff --git a/vocabularies/ro-crate/test3/index.ttl b/vocabularies/ro-crate/test4/index.ttl
similarity index 73%
rename from vocabularies/ro-crate/test3/index.ttl
rename to vocabularies/ro-crate/test4/index.ttl
index ca4294d72c8826a92ba746bc81bdb6248b2c0470..9f41091575c8cde8c8728871add1e703cf9f9be0 100644
--- a/vocabularies/ro-crate/test3/index.ttl
+++ b/vocabularies/ro-crate/test4/index.ttl
@@ -1,4 +1,4 @@
-@base <http://purl.org/coscine/vocabularies/ro-crate/test3> .
+@base <http://purl.org/coscine/vocabularies/ro-crate/test4> .
 
 @prefix schema: <http://schema.org/> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
@@ -8,7 +8,7 @@
 @prefix pcdm: <http://pcdm.org/models#> .
 @prefix bioschemas: <https://bioschemas.org/> .
 
-<http://purl.org/coscine/vocabularies/ro-crate/test3> 
+<http://purl.org/coscine/vocabularies/ro-crate/test4> 
   dcterms:title "RO-Crate Context Vocabulary"@en ;
   dcterms:license <https://creativecommons.org/publicdomain/zero/1.0/> ; # general license for co-crate
   dcterms:publisher <https://w3id.org/ro/crate/1.1> ; 
@@ -19,13 +19,13 @@
 .
 
  
-<http://purl.org/coscine/vocabularies/ro-crate/test3#0> a <http://schema.org/Dataset> ;
+<http://purl.org/coscine/vocabularies/ro-crate/test4#Dataset> a <http://purl.org/coscine/vocabularies/ro-crate/test4> ;
   rdfs:label "Dataset"@en , "Datensatz"@de ;
-  rdfs:subClassOf <http://purl.org/coscine/vocabularies/ro-crate/test3>
+  rdfs:subClassOf <http://purl.org/coscine/vocabularies/ro-crate/test4>
 .
 
-<http://purl.org/coscine/vocabularies/ro-crate/test3#1> a <http://schema.org/CreativeWork> ;
+<http://purl.org/coscine/vocabularies/ro-crate/test4#CreativeWork> a <http://purl.org/coscine/vocabularies/ro-crate/test4> ;
   rdfs:label "CreativeWork"@en, "Kreatives Werk"@de ;
-  rdfs:subClassOf <http://purl.org/coscine/vocabularies/ro-crate/test3>
+  rdfs:subClassOf <http://purl.org/coscine/vocabularies/ro-crate/test4>
   .