diff --git a/examples/extensions-collection/proj-example/proj-example.json b/examples/extensions-collection/proj-example/proj-example.json
index 52bca1b2..e2e6283b 100644
--- a/examples/extensions-collection/proj-example/proj-example.json
+++ b/examples/extensions-collection/proj-example/proj-example.json
@@ -4,7 +4,7 @@
   "id": "proj-example",
   "properties": {
     "datetime": "2018-10-01T01:08:32.033000Z",
-    "proj:epsg": 32614,
+    "proj:code": "EPSG:32614",
     "proj:wkt2": "PROJCS[\"WGS 84 / UTM zone 14N\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-99],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],AUTHORITY[\"EPSG\",\"32614\"],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]",
     "proj:projjson": {
       "$schema": "https://proj.org/schemas/v0.2/projjson.schema.json",
diff --git a/item-spec/json-schema/bands.json b/item-spec/json-schema/bands.json
index f87d5618..4440760a 100644
--- a/item-spec/json-schema/bands.json
+++ b/item-spec/json-schema/bands.json
@@ -1,6 +1,6 @@
 {
     "$schema": "http://json-schema.org/draft-07/schema#",
-    "$id": "https://schemas.stacspec.org/v1.0.0/item-spec/json-schema/bands.json",
+    "$id": "https://schemas.stacspec.org/v1.1.0-beta.1/item-spec/json-schema/bands.json",
     "title": "Bands Field",
     "type": "object",
     "properties": {
diff --git a/item-spec/json-schema/data-values.json b/item-spec/json-schema/data-values.json
index ac82815a..e00ef606 100644
--- a/item-spec/json-schema/data-values.json
+++ b/item-spec/json-schema/data-values.json
@@ -1,6 +1,6 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "https://schemas.stacspec.org/v1.0.0/item-spec/json-schema/data-values.json#",
+  "$id": "https://schemas.stacspec.org/v1.1.0-beta.1/item-spec/json-schema/data-values.json#",
   "title": "Fields related to data values",
   "type": "object",
   "properties": {