diff --git a/hypercertEvaluation.json b/hypercertEvaluation.json
index c55c935..227c281 100644
--- a/hypercertEvaluation.json
+++ b/hypercertEvaluation.json
@@ -33,12 +33,26 @@
             },
             "maxLength": 100
           },
+          "measurements": {
+            "type": "array",
+            "description": "Optional references to the measurements that contributed to this evaluation. The record(s) referenced must conform with the lexicon org.hypercerts.claim.measurement ",
+            "items": {
+              "type": "ref",
+              "refs": "com.atproto.repo.strongRef"
+            },
+            "maxLength": 100
+          },
           "summary": {
             "type": "string",
             "description": "Brief evaluation summary",
             "maxLength": 5000,
             "maxGraphemes": 1000
           },
+          "location": {
+            "type": "ref",
+            "ref": "com.atproto.repo.strongRef",
+            "description": "An optional reference for georeferenced evaluations. The record referenced must conform with the lexicon app.certified.location."
+          },
           "createdAt": {
             "type": "string",
             "format": "datetime",
diff --git a/hypercertEvidence.json b/hypercertEvidence.json
index 92469ce..ef8573f 100644
--- a/hypercertEvidence.json
+++ b/hypercertEvidence.json
@@ -8,8 +8,13 @@
       "key": "any",
       "record": {
         "type": "object",
-        "required": ["content", "shortDescription", "createdAt"],
+        "required": ["hypercert", "content", "shortDescription", "createdAt"],
         "properties": {
+          "hypercert": {
+            "type": "ref",
+            "ref": "com.atproto.repo.strongRef",
+            "description": "A strong reference to the hypercert this evidence is for." 
+          },
           "content": {
             "type": "union",
             "refs": ["app.certified.defs#uri", "app.certified.defs#smallBlob"],