diff --git a/dependencies/CASE-develop b/dependencies/CASE-develop
index ab6e38c5..8c8fa599 160000
--- a/dependencies/CASE-develop
+++ b/dependencies/CASE-develop
@@ -1 +1 @@
-Subproject commit ab6e38c5ecf29f552fb683e90e547daee77569a7
+Subproject commit 8c8fa599fdfa2eb650f8b1f2228e9b3ffbb74564
diff --git a/dependencies/CASE-unstable b/dependencies/CASE-unstable
index 7adb16d1..fc8782e5 160000
--- a/dependencies/CASE-unstable
+++ b/dependencies/CASE-unstable
@@ -1 +1 @@
-Subproject commit 7adb16d1bc591fdeadfbd64c654a70b6ed2959fc
+Subproject commit fc8782e579a10d34018a1ef0fdab0af24e055c8e
diff --git a/dependencies/CASE-unstable-2.0.0 b/dependencies/CASE-unstable-2.0.0
index b2c0360f..14f46a3b 160000
--- a/dependencies/CASE-unstable-2.0.0
+++ b/dependencies/CASE-unstable-2.0.0
@@ -1 +1 @@
-Subproject commit b2c0360f52c48a7bc2645a527a2c53009a6f4970
+Subproject commit 14f46a3b0985904273c2aee5d9cf2e362ce5025d
diff --git a/ontology/CASE-develop.ttl b/ontology/CASE-develop.ttl
index e2798f9e..eafdf010 100644
--- a/ontology/CASE-develop.ttl
+++ b/ontology/CASE-develop.ttl
@@ -6452,6 +6452,18 @@ observable:File
 	rdfs:subClassOf observable:FileSystemObject ;
 	rdfs:label "File"@en ;
 	rdfs:comment "A file is a computer resource for recording data discretely on a computer storage device."@en ;
+	owl:disjointWith observable:URL ;
+	sh:targetClass observable:File ;
+	.
+
+observable:File-disjointWith-URL-shape
+	a sh:NodeShape ;
+	sh:message "observable:File and observable:URL are disjoint classes.  Assigning both types to a single node will be an error in UCO 2.0.0."@en ;
+	sh:not [
+		a sh:NodeShape ;
+		sh:class observable:URL ;
+	] ;
+	sh:severity sh:Warning ;
 	sh:targetClass observable:File ;
 	.