diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e59eec..e256ce9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/0.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
@@ -17,11 +17,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-## [1.0.0]
+## [0.1.0]
 
 ### Added
 
 - Create an initial definition of the extension.
 
-[Unreleased]: <https://github.com/stac-extensions/sentinel-1/compare/v1.0.0...HEAD>
-[1.0.0]: <https://github.com/stac-extensions/sentinel-1/tags/v1.0.0>
+[Unreleased]: <https://github.com/stac-extensions/sentinel-1/compare/v0.1.0...HEAD>
+[0.1.0]: <https://github.com/stac-extensions/sentinel-1/tags/v0.1.0>
diff --git a/README.md b/README.md
index f37ad34..0a4daf9 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Sentinel-1 Extension Specification
 
 - **Title:** Sentinel-1
-- **Identifier:** <https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json>
+- **Identifier:** <https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json>
 - **Field Name Prefix:** s1
 - **Scope:** Item
 - **Extension [Maturity Classification](https://github.com/radiantearth/stac-spec/tree/master/extensions/README.md#extension-maturity):** Proposal
diff --git a/examples/earthsearch-s1-grd.json b/examples/earthsearch-s1-grd.json
index 6063e7f..1c614ac 100644
--- a/examples/earthsearch-s1-grd.json
+++ b/examples/earthsearch-s1-grd.json
@@ -333,7 +333,7 @@
     "https://stac-extensions.github.io/processing/v1.1.0/schema.json",
     "https://stac-extensions.github.io/sat/v1.0.0/schema.json",
     "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
-    "https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json"
+    "https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json"
   ],
   "collection": "sentinel-1-grd"
 }
\ No newline at end of file
diff --git a/examples/mspc-s1-grd.json b/examples/mspc-s1-grd.json
index 8a60773..48520b2 100644
--- a/examples/mspc-s1-grd.json
+++ b/examples/mspc-s1-grd.json
@@ -218,7 +218,7 @@
   "stac_extensions": [
     "https://stac-extensions.github.io/sar/v1.0.0/schema.json",
     "https://stac-extensions.github.io/sat/v1.0.0/schema.json",
-    "https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json"
+    "https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json"
   ],
   "stac_version": "1.0.0"
 }
\ No newline at end of file
diff --git a/examples/mspc-s1-rtc.json b/examples/mspc-s1-rtc.json
index e1beb77..059d458 100644
--- a/examples/mspc-s1-rtc.json
+++ b/examples/mspc-s1-rtc.json
@@ -199,7 +199,7 @@
     "https://stac-extensions.github.io/projection/v1.1.0/schema.json",
     "https://stac-extensions.github.io/file/v2.0.0/schema.json",
     "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
-    "https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json"
+    "https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json"
   ],
   "stac_version": "1.0.0"
 }
\ No newline at end of file
diff --git a/json-schema/schema.json b/json-schema/schema.json
index 6b10125..12d959e 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/sentinel-1/v1.0.0/schema.json#",
+  "$id": "https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json#",
   "title": "Sentinel-1 Extension",
   "description": "STAC Sentinel-1 Extension for STAC Items and STAC Collection Summaries.",
   "type": "object",
@@ -11,7 +11,7 @@
     "stac_extensions": {
       "type": "array",
       "contains": {
-        "const": "https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json"
+        "const": "https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json"
       }
     }
   },
diff --git a/package.json b/package.json
index 3bc9caf..1556f75 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "stac-extension-sentinel-1",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "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/sentinel-1/v1.0.0/schema.json=./json-schema/schema.json",
-    "format-examples": "stac-node-validator . --format --schemaMap https://stac-extensions.github.io/sentinel-1/v1.0.0/schema.json=./json-schema/schema.json"
+    "check-examples": "stac-node-validator . --lint --verbose --schemaMap https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json=./json-schema/schema.json",
+    "format-examples": "stac-node-validator . --format --schemaMap https://stac-extensions.github.io/sentinel-1/v0.1.0/schema.json=./json-schema/schema.json"
   },
   "dependencies": {
     "remark-cli": "^12.0.0",