diff --git a/openapi/index_openapi.json b/openapi/index_openapi.json
index d8614c289..b5de384ab 100644
--- a/openapi/index_openapi.json
+++ b/openapi/index_openapi.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "OPTIMADE API - Index meta-database",
     "description": "The [Open Databases Integration for Materials Design (OPTIMADE) consortium](https://www.optimade.org/) aims to make materials databases interoperational by developing a common REST API.\nThis is the \"special\" index meta-database.\n\nThis specification is generated using [`optimade-python-tools`](https://github.com/Materials-Consortia/optimade-python-tools/tree/v1.5.0) v1.5.0.",
-    "version": "1.2.0"
+    "version": "1.3.0"
   },
   "paths": {
     "/info": {
diff --git a/openapi/openapi.json b/openapi/openapi.json
index f848caf64..42c8ea332 100644
--- a/openapi/openapi.json
+++ b/openapi/openapi.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "OPTIMADE API",
     "description": "The [Open Databases Integration for Materials Design (OPTIMADE) consortium](https://www.optimade.org/) aims to make materials databases interoperational by developing a common REST API.\n\nThis specification is generated using [`optimade-python-tools`](https://github.com/Materials-Consortia/optimade-python-tools/tree/v1.5.0) v1.5.0.",
-    "version": "1.2.0"
+    "version": "1.3.0"
   },
   "paths": {
     "/info": {
diff --git a/optimade-version.json b/optimade-version.json
index 0df9258ca..1f22881b7 100644
--- a/optimade-version.json
+++ b/optimade-version.json
@@ -1,7 +1,7 @@
 {
   "schemaVersion": 1,
   "label": "OPTIMADE",
-  "message": "v1.2.0",
+  "message": "v1.3.0",
   "color": "yellowgreen",
   "logoSvg": "<svg version='1' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 55 55'><line x1='27' y1='14.5' x2='38.0' y2='7.94744111674' stroke='#9ed700' stroke-width='1.15' /><line x1='37.8253175473' y1='33.25' x2='38.0' y2='46.0525588833' stroke='#00acd9' stroke-width='1.15' /><line x1='16.1746824527' y1='33.25' x2='5' y2='27' stroke='#7a2dd0' stroke-width='1.15' /><line x1='49' y1='27' x2='38.0' y2='46.0525588833' stroke='#00acd9' stroke-width='1.15' /><line x1='38.0' y1='46.0525588833' x2='16.0' y2='46.0525588833' stroke='#e8e8e8' stroke-width='2' /><line x1='16.0' y1='46.0525588833' x2='5' y2='27' stroke='#7a2dd0' stroke-width='1.15' /><line x1='5' y1='27' x2='16.0' y2='7.94744111674' stroke='#e8e8e8' stroke-width='2' /><line x1='16.0' y1='7.94744111674' x2='38.0' y2='7.94744111674' stroke='#9ed700' stroke-width='1.15' /><line x1='38.0' y1='7.94744111674' x2='49' y2='27' stroke='#e8e8e8' stroke-width='2' /><circle cx='49' cy='27' r='3.5' fill='#00acd9' /><circle cx='38.0' cy='46.0525588833' r='3.5' fill='#00acd9' /><circle cx='16.0' cy='46.0525588833' r='3.5' fill='#7a2dd0' /><circle cx='5' cy='27' r='3.5' fill='#7a2dd0' /><circle cx='16.0' cy='7.94744111674' r='3.5' fill='#9ed700' /><circle cx='38.0' cy='7.94744111674' r='3.5' fill='#9ed700' /><line x1='27' y1='39.5' x2='16.1746824527' y2='33.25' stroke='#ff414d' stroke-width='1' /><line x1='16.1746824527' y1='33.25' x2='16.1746824527' y2='20.75' stroke='#ff414d' stroke-width='1' /><line x1='16.1746824527' y1='20.75' x2='27' y2='14.5' stroke='#ff414d' stroke-width='1' /><line x1='27' y1='14.5' x2='37.8253175473' y2='20.75' stroke='#ff414d' stroke-width='1' /><line x1='37.8253175473' y1='20.75' x2='37.8253175473' y2='33.25' stroke='#ff414d' stroke-width='1' /><line x1='37.8253175473' y1='33.25' x2='27' y2='39.5' stroke='#ff414d' stroke-width='1' /><circle cx='27' cy='39.5' r='2.5' fill='#ff414d' /><circle cx='16.1746824527' cy='33.25' r='2.5' fill='#ff414d' /><circle cx='16.1746824527' cy='20.75' r='2.5' fill='#ff414d' /><circle cx='27' cy='14.5' r='2.5' fill='#ff414d' /><circle cx='37.8253175473' cy='20.75' r='2.5' fill='#ff414d' /><circle cx='37.8253175473' cy='33.25' r='2.5' fill='#ff414d' /></svg>"
 }
diff --git a/optimade/__init__.py b/optimade/__init__.py
index 84d52a9a4..03b8899d9 100644
--- a/optimade/__init__.py
+++ b/optimade/__init__.py
@@ -1,2 +1,2 @@
 __version__ = "1.5.0"
-__api_version__ = "1.2.0"
+__api_version__ = "1.3.0"