diff --git a/asset_test.go b/asset_test.go
index 0f2d025..30a221c 100644
--- a/asset_test.go
+++ b/asset_test.go
@@ -124,7 +124,7 @@ func TestAssetExtendedMarshal(t *testing.T) {
 			}
 		},
 		"stac_extensions": [
-			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.1/schema.json"
+			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.3/schema.json"
 		]
 	}`
 
diff --git a/extensions/pl/pl.go b/extensions/pl/pl.go
index b96769d..35474c1 100644
--- a/extensions/pl/pl.go
+++ b/extensions/pl/pl.go
@@ -7,7 +7,7 @@ import (
 )
 
 const (
-	extensionUri     = "https://planetlabs.github.io/stac-extension/v1.0.0-beta.1/schema.json"
+	extensionUri     = "https://planetlabs.github.io/stac-extension/v1.0.0-beta.3/schema.json"
 	extensionPattern = `https://planetlabs.github.io/stac-extension/v1\..*/schema.json`
 )
 
diff --git a/extensions/pl/pl_test.go b/extensions/pl/pl_test.go
index c2c5ffe..46f4b89 100644
--- a/extensions/pl/pl_test.go
+++ b/extensions/pl/pl_test.go
@@ -83,7 +83,7 @@ func TestItemExtendedMarshal(t *testing.T) {
 			}
 		},
 		"stac_extensions": [
-			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.1/schema.json"
+			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.3/schema.json"
 		]
 	}`
 
@@ -157,7 +157,7 @@ func TestItemMarshalGridCell(t *testing.T) {
 			}
 		},
 		"stac_extensions": [
-			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.1/schema.json"
+			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.3/schema.json"
 		]
 	}`
 
@@ -196,7 +196,7 @@ func TestItemExtendedUnmarshal(t *testing.T) {
 			}
 		},
 		"stac_extensions": [
-			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.1/schema.json"
+			"https://planetlabs.github.io/stac-extension/v1.0.0-beta.3/schema.json"
 		]
 	}`)