diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b58f86..ae71098 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v1.2.0] - 2024-07-22
+
 ### Added
 
 - The new field `proj:code` was introduced as a more general way to describe projection codes for various authorities, not just EPSG.
@@ -40,6 +42,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Initial independent release, see [previous history](https://github.com/radiantearth/stac-spec/commits/v1.0.0-rc.2/extensions/projection)
 
-[Unreleased]: <https://github.com/stac-extensions/projection/compare/v1.1.0...HEAD>
+[Unreleased]: <https://github.com/stac-extensions/projection/compare/v1.2.0...HEAD>
+[v1.2.0]: <https://github.com/stac-extensions/projection/compare/v1.1.0...v1.2.0>
 [v1.1.0]: <https://github.com/stac-extensions/projection/compare/v1.0.0...v1.1.0>
 [v1.0.0]: <https://github.com/stac-extensions/projection/tree/v1.0.0>
diff --git a/README.md b/README.md
index 3fa7694..f22d26f 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Projection Extension Specification
 
 - **Title:** Projection
-- **Identifier:** <https://stac-extensions.github.io/projection/v1.1.0/schema.json>
+- **Identifier:** <https://stac-extensions.github.io/projection/v1.2.0/schema.json>
 - **Field Name Prefix:** proj
 - **Scope:** Item, Collection
 - **Extension [Maturity Classification](https://github.com/radiantearth/stac-spec/tree/master/README.md#extension-maturity):** Stable
diff --git a/examples/assets.json b/examples/assets.json
index 48a0986..8258ce0 100644
--- a/examples/assets.json
+++ b/examples/assets.json
@@ -1,7 +1,7 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
+    "https://stac-extensions.github.io/projection/v1.2.0/schema.json"
   ],
   "type": "Feature",
   "id": "20201211_223832_CS2_A",
diff --git a/examples/collection.json b/examples/collection.json
index de1ea85..a0f4330 100644
--- a/examples/collection.json
+++ b/examples/collection.json
@@ -1,7 +1,7 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/projection/v1.1.0/schema.json",
+    "https://stac-extensions.github.io/projection/v1.2.0/schema.json",
     "https://stac-extensions.github.io/item-assets/v1.0.0/schema.json"
   ],
   "type": "Collection",
diff --git a/examples/item.json b/examples/item.json
index 0d31eb8..6f52506 100644
--- a/examples/item.json
+++ b/examples/item.json
@@ -1,7 +1,7 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
+    "https://stac-extensions.github.io/projection/v1.2.0/schema.json"
   ],
   "type": "Feature",
   "id": "20201211_223832_CS2",
@@ -47,6 +47,7 @@
       "cool_sensor_v1"
     ],
     "gsd": 0.66,
+    "proj:epsg": 32659,
     "proj:code": "EPSG:32659",
     "proj:shape": [
       5558,
diff --git a/examples/item_custom_proj.json b/examples/item_custom_proj.json
index f5bb829..d8c0b28 100644
--- a/examples/item_custom_proj.json
+++ b/examples/item_custom_proj.json
@@ -1,7 +1,7 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
+    "https://stac-extensions.github.io/projection/v1.2.0/schema.json"
   ],
   "type": "Feature",
   "id": "20201211_223832_CS2",
diff --git a/json-schema/schema.json b/json-schema/schema.json
index 2d3df76..f9c97f9 100644
--- a/json-schema/schema.json
+++ b/json-schema/schema.json
@@ -1,6 +1,6 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "https://stac-extensions.github.io/projection/v1.1.0/schema.json",
+  "$id": "https://stac-extensions.github.io/projection/v1.2.0/schema.json",
   "title": "Projection Extension",
   "description": "STAC Projection Extension for STAC Items.",
   "$comment": "This schema succeeds if the proj: fields are not used at all, please keep this in mind.",
@@ -77,7 +77,7 @@
         "stac_extensions": {
           "type": "array",
           "contains": {
-            "const": "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
+            "const": "https://stac-extensions.github.io/projection/v1.2.0/schema.json"
           }
         }
       }
@@ -89,7 +89,7 @@
           "deprecated": true,
           "title":"EPSG code",
           "type":[
-            "string",
+            "integer",
             "null"
           ]
         },
diff --git a/package.json b/package.json
index aaa2e51..3acd14b 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "stac-extensions",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "scripts": {
     "test": "npm run check-markdown && npm run check-examples",
     "check-markdown": "remark . -f -r .github/remark.yaml",
-    "check-examples": "stac-node-validator . --lint --verbose --schemaMap https://stac-extensions.github.io/projection/v1.1.0/schema.json=./json-schema/schema.json",
-    "format-examples": "stac-node-validator . --format --schemaMap https://stac-extensions.github.io/projection/v1.1.0/schema.json=./json-schema/schema.json"
+    "check-examples": "stac-node-validator . --lint --verbose --schemaMap https://stac-extensions.github.io/projection/v1.2.0/schema.json=./json-schema/schema.json",
+    "format-examples": "stac-node-validator . --format --schemaMap https://stac-extensions.github.io/projection/v1.2.0/schema.json=./json-schema/schema.json"
   },
   "dependencies": {
     "remark-cli": "^8.0.0",