diff --git a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/util/CachingDocumentLoader.java b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/util/CachingDocumentLoader.java
index b656419..66b97fe 100644
--- a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/util/CachingDocumentLoader.java
+++ b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/util/CachingDocumentLoader.java
@@ -41,7 +41,8 @@ public class CachingDocumentLoader implements DocumentLoader {
 
 	static final ImmutableMap<String, URL> bundled = ImmutableMap.<String, URL>builder()
 			.put("https://purl.imsglobal.org/spec/clr/v2p0/context.json",Resources.getResource("contexts/clr-v2p0.json"))
-			.put("https://purl.imsglobal.org/spec/ob/v3p0/context.json",Resources.getResource("contexts/ob-v3p0.json"))			
+			.put("https://purl.imsglobal.org/spec/ob/v3p0/context.json",Resources.getResource("contexts/ob-v3p0.json"))		
+			.put("https://purl.imsglobal.org/spec/ob/v3p0/extensions.json",Resources.getResource("contexts/ob-v3p0-extensions.json"))
 			.put("https://imsglobal.github.io/openbadges-specification/context.json",Resources.getResource("contexts/obv3x.jsonld"))			
 			.put("https://www.w3.org/ns/did/v1", Resources.getResource("contexts/did-v1.jsonld"))
 			.put("https://www.w3.org/ns/odrl.jsonld", Resources.getResource("contexts/odrl.jsonld"))
diff --git a/inspector-vc/src/main/resources/contexts/ob-v3p0-extensions.json b/inspector-vc/src/main/resources/contexts/ob-v3p0-extensions.json
new file mode 100644
index 0000000..95dc35c
--- /dev/null
+++ b/inspector-vc/src/main/resources/contexts/ob-v3p0-extensions.json
@@ -0,0 +1,9 @@
+{
+    "@context": {
+        "id": "@id",
+        "type": "@type",
+        "1EdTechJsonSchemaValidator2019": "https://purl.imsglobal.org/spec/vccs/v1p0/context.json#1EdTechJsonSchemaValidator2019",
+        "1EdTechRevocationList": "https://purl.imsglobal.org/spec/vcrl/v1p0/context.json#1EdTechRevocationList",
+        "1EdTechCredentialRefresh": "https://purl.imsglobal.org/spec/vccr/v1p0/context.json#1EdTechCredentialRefresh"
+    }
+}
\ No newline at end of file