diff --git a/gcn/notices/core/AdditionalInfo.schema.json b/gcn/notices/core/AdditionalInfo.schema.json
index 9d97a14d..c2b65755 100644
--- a/gcn/notices/core/AdditionalInfo.schema.json
+++ b/gcn/notices/core/AdditionalInfo.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/AdditionalInfo.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/AdditionalInfo.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Comments",
diff --git a/gcn/notices/core/Alert.schema.json b/gcn/notices/core/Alert.schema.json
index acd9b98a..b466f011 100644
--- a/gcn/notices/core/Alert.schema.json
+++ b/gcn/notices/core/Alert.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Alert.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Alert.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Alert",
   "description": "Alert Information description properties of this notice",
diff --git a/gcn/notices/core/DateTime.schema.json b/gcn/notices/core/DateTime.schema.json
index d5236984..11464271 100644
--- a/gcn/notices/core/DateTime.schema.json
+++ b/gcn/notices/core/DateTime.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/DateTime.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/DateTime.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "DateTime",
   "description": "Time descriptions of transient event and observation",
diff --git a/gcn/notices/core/DetectorStatus.schema.json b/gcn/notices/core/DetectorStatus.schema.json
index 17e4a4c2..f5d8833d 100644
--- a/gcn/notices/core/DetectorStatus.schema.json
+++ b/gcn/notices/core/DetectorStatus.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/DetectorStatus.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/DetectorStatus.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "DetectorStatus",
   "enum": ["on", "off", "triggered"],
diff --git a/gcn/notices/core/Distance.schema.json b/gcn/notices/core/Distance.schema.json
index da415349..0daa4215 100644
--- a/gcn/notices/core/Distance.schema.json
+++ b/gcn/notices/core/Distance.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Distance.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Distance.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Distance",
diff --git a/gcn/notices/core/Duration.schema.json b/gcn/notices/core/Duration.schema.json
index 6de3162a..79de3b93 100644
--- a/gcn/notices/core/Duration.schema.json
+++ b/gcn/notices/core/Duration.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Duration.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Duration.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Duration",
diff --git a/gcn/notices/core/Event.schema.json b/gcn/notices/core/Event.schema.json
index aaa4ac27..69cb0044 100644
--- a/gcn/notices/core/Event.schema.json
+++ b/gcn/notices/core/Event.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Event.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Event.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Event Information",
diff --git a/gcn/notices/core/FollowUp.schema.json b/gcn/notices/core/FollowUp.schema.json
index 773353de..37f909a3 100644
--- a/gcn/notices/core/FollowUp.schema.json
+++ b/gcn/notices/core/FollowUp.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/FollowUp.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/FollowUp.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "FollowUp",
   "description": "Schema specific to follow-up cases",
diff --git a/gcn/notices/core/HardnessRatio.schema.json b/gcn/notices/core/HardnessRatio.schema.json
index 06eb6a92..670bc624 100644
--- a/gcn/notices/core/HardnessRatio.schema.json
+++ b/gcn/notices/core/HardnessRatio.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/HardnessRatio.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/HardnessRatio.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "HardnessRatio",
diff --git a/gcn/notices/core/Localization.example.json b/gcn/notices/core/Localization.example.json
index 9f13fca2..42201333 100644
--- a/gcn/notices/core/Localization.example.json
+++ b/gcn/notices/core/Localization.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Localization.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Localization.schema.json",
   "ra": 120,
   "dec": 45,
   "uncertainty_shape": "ellipse",
diff --git a/gcn/notices/core/Localization.schema.json b/gcn/notices/core/Localization.schema.json
index 376c067e..d6d8030d 100644
--- a/gcn/notices/core/Localization.schema.json
+++ b/gcn/notices/core/Localization.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Localization.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Localization.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Localization",
diff --git a/gcn/notices/core/Orbit.schema.json b/gcn/notices/core/Orbit.schema.json
index cae4c06b..a54f07c6 100755
--- a/gcn/notices/core/Orbit.schema.json
+++ b/gcn/notices/core/Orbit.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/GeoLocBase.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/GeoLocBase.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Spacecraft Geolocation and McIlwain L",
   "description": "Enables GCN providers to include spacecraft geolocation and McIlwain L-Parameter.",
diff --git a/gcn/notices/core/Pointing.example.json b/gcn/notices/core/Pointing.example.json
index 34628db0..05d0d4de 100644
--- a/gcn/notices/core/Pointing.example.json
+++ b/gcn/notices/core/Pointing.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Pointing.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Pointing.schema.json",
   "ra": 120.5,
   "dec": 30.2,
   "roll": -12.8,
diff --git a/gcn/notices/core/Pointing.schema.json b/gcn/notices/core/Pointing.schema.json
index 09a47504..4dbf3f44 100644
--- a/gcn/notices/core/Pointing.schema.json
+++ b/gcn/notices/core/Pointing.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Pointing.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Pointing.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Instrument Pointing",
   "description": "Instrument pointing and rotational rates.",
diff --git a/gcn/notices/core/Redshift.schema.json b/gcn/notices/core/Redshift.schema.json
index 3a3bd55b..9e825569 100644
--- a/gcn/notices/core/Redshift.schema.json
+++ b/gcn/notices/core/Redshift.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Redshift.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Redshift.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Redshift",
diff --git a/gcn/notices/core/Reporter.example.json b/gcn/notices/core/Reporter.example.json
index 79c8c7f5..b5ae26be 100644
--- a/gcn/notices/core/Reporter.example.json
+++ b/gcn/notices/core/Reporter.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Reporter.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Reporter.schema.json",
   "mission": "Hubble Space Telescope",
   "instrument": "Advanced Camera for Surveys",
   "record_number": 1,
diff --git a/gcn/notices/core/Reporter.schema.json b/gcn/notices/core/Reporter.schema.json
index 9e7ef282..b1bffa5c 100644
--- a/gcn/notices/core/Reporter.schema.json
+++ b/gcn/notices/core/Reporter.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Reporter.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Reporter.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Reporter",
   "description": "Alert Reporter instrument",
diff --git a/gcn/notices/core/Statistics.example.json b/gcn/notices/core/Statistics.example.json
index 1ccc1756..7129264b 100644
--- a/gcn/notices/core/Statistics.example.json
+++ b/gcn/notices/core/Statistics.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Statistics.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Statistics.schema.json",
   "far": 0.001,
   "rate_snr": 5.2,
   "rate_duration": 10,
diff --git a/gcn/notices/core/Statistics.schema.json b/gcn/notices/core/Statistics.schema.json
index 88c7270e..1f559831 100644
--- a/gcn/notices/core/Statistics.schema.json
+++ b/gcn/notices/core/Statistics.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/Statistics.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/Statistics.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Statistics",
diff --git a/gcn/notices/core/spectral/GammaRay.schema.json b/gcn/notices/core/spectral/GammaRay.schema.json
index 0283b7c9..c6808bdc 100644
--- a/gcn/notices/core/spectral/GammaRay.schema.json
+++ b/gcn/notices/core/spectral/GammaRay.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/GammaRay.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/GammaRay.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "spectral.GammaRay",
diff --git a/gcn/notices/core/spectral/models/Band.schema.json b/gcn/notices/core/spectral/models/Band.schema.json
index 2c02d348..ade61c52 100644
--- a/gcn/notices/core/spectral/models/Band.schema.json
+++ b/gcn/notices/core/spectral/models/Band.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/Band.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/Band.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "Band",
diff --git a/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json b/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
index 47f7865d..f422f2a6 100644
--- a/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
+++ b/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "CutOffPowerLaw",
diff --git a/gcn/notices/core/spectral/models/PowerLaw.schema.json b/gcn/notices/core/spectral/models/PowerLaw.schema.json
index aa21fbce..38cd2a65 100644
--- a/gcn/notices/core/spectral/models/PowerLaw.schema.json
+++ b/gcn/notices/core/spectral/models/PowerLaw.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/core/spectral/models/PowerLaw.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/core/spectral/models/PowerLaw.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "PowerLaw",
diff --git a/gcn/notices/glowbug/Alert.example.json b/gcn/notices/glowbug/Alert.example.json
index 5741fc51..232ddd10 100644
--- a/gcn/notices/glowbug/Alert.example.json
+++ b/gcn/notices/glowbug/Alert.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/glowbug/alert.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/glowbug/alert.schema.json",
   "mission": "GLOWBUG",
   "alert_datetime": "2023-04-23T15:25:55Z",
   "alert_tense": "current",
diff --git a/gcn/notices/glowbug/Alert.schema.json b/gcn/notices/glowbug/Alert.schema.json
index 9a61afad..d7089093 100644
--- a/gcn/notices/glowbug/Alert.schema.json
+++ b/gcn/notices/glowbug/Alert.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/glowbug/alert.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/glowbug/alert.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Glowbug Alert Notice",
   "description": "Information about a Glowbug trigger.  All fields optional; omitted if not available or not applicable.",
diff --git a/gcn/notices/icecube/lvk_nu_track_search.example.json b/gcn/notices/icecube/lvk_nu_track_search.example.json
index 98534276..bc6dd632 100644
--- a/gcn/notices/icecube/lvk_nu_track_search.example.json
+++ b/gcn/notices/icecube/lvk_nu_track_search.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/lvk_nu_track_search.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/lvk_nu_track_search.schema.json",
   "type": "IceCube LVK Alert Nu Track Search",
   "reference": { "gcn.notices.LVK.alert": "S230914ak-2-Preliminary" },
   "ref_ID": "S230914ak",
diff --git a/gcn/notices/icecube/lvk_nu_track_search.schema.json b/gcn/notices/icecube/lvk_nu_track_search.schema.json
index 94d50a24..b8a1bb22 100644
--- a/gcn/notices/icecube/lvk_nu_track_search.schema.json
+++ b/gcn/notices/icecube/lvk_nu_track_search.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/lvk_nu_track_search.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/lvk_nu_track_search.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "IceCube LVK Alert Nu Track Search",
diff --git a/gcn/notices/icecube/test/gold_bronze.update.example.json b/gcn/notices/icecube/test/gold_bronze.update.example.json
index e6324419..daaf3112 100644
--- a/gcn/notices/icecube/test/gold_bronze.update.example.json
+++ b/gcn/notices/icecube/test/gold_bronze.update.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "additional_info": "IceCube Bronze Neutrino Track Alert",
   "event_name": ["IceCube-230416A"],
   "id": ["137840", "57034692"],
diff --git a/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json b/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
index 03f47015..1e00575d 100644
--- a/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
+++ b/gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "additional_info": "IceCube Bronze Neutrino Track Alert",
   "id": ["137840", "57034692"],
   "alert_datetime": "2023-04-16T05:22:29.55Z",
diff --git a/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json b/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
index 56520c9f..6c3f0137 100644
--- a/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
+++ b/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
   "title": "IceCubeGoldAndBronzeTracks",
diff --git a/gcn/notices/swift/bat/Guano.Retraction.example.json b/gcn/notices/swift/bat/Guano.Retraction.example.json
index fa34d80c..51ad8694 100644
--- a/gcn/notices/swift/bat/Guano.Retraction.example.json
+++ b/gcn/notices/swift/bat/Guano.Retraction.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/Guano.example.json b/gcn/notices/swift/bat/Guano.example.json
index e4879ca1..ce200cc1 100644
--- a/gcn/notices/swift/bat/Guano.example.json
+++ b/gcn/notices/swift/bat/Guano.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/Guano.schema.json b/gcn/notices/swift/bat/Guano.schema.json
index 7ee8dee4..6382d444 100644
--- a/gcn/notices/swift/bat/Guano.schema.json
+++ b/gcn/notices/swift/bat/Guano.schema.json
@@ -1,5 +1,5 @@
 {
-  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
+  "$id": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Swift/BAT-GUANO Alert",
   "description": "Candidate gamma-ray transient reported from the BAT-GUANO targeted search",
diff --git a/gcn/notices/swift/bat/guano.loc_arc_min.example.json b/gcn/notices/swift/bat/guano.loc_arc_min.example.json
index dfffcd1d..324edc6a 100644
--- a/gcn/notices/swift/bat/guano.loc_arc_min.example.json
+++ b/gcn/notices/swift/bat/guano.loc_arc_min.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/gcn/notices/swift/bat/guano.loc_map.example.json b/gcn/notices/swift/bat/guano.loc_map.example.json
index adc43c43..60ced5f0 100644
--- a/gcn/notices/swift/bat/guano.loc_map.example.json
+++ b/gcn/notices/swift/bat/guano.loc_map.example.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://gcn.nasa.gov/schema/v3.0.0/gcn/notices/swift/bat/guano.schema.json",
   "mission": "Swift",
   "instrument": "BAT-GUANO",
   "messenger": "EM",
diff --git a/package-lock.json b/package-lock.json
index 1955379b..22aff05d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@nasa-gcn/schema",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@nasa-gcn/schema",
-      "version": "2.0.0",
+      "version": "3.0.0",
       "dependencies": {
         "ajv-formats": "^2.1.1"
       },
diff --git a/package.json b/package.json
index b112599d..4d596911 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nasa-gcn/schema",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "scripts": {
     "prepare": "husky install",
     "validate:prettier": "prettier --check .",