diff --git a/README.md b/README.md
index b113457..9721116 100644
--- a/README.md
+++ b/README.md
@@ -1074,14 +1074,25 @@ environment.
 
 ## License
 
-Ekklesia is free software, licensed under the **GNU Affero General Public License, version 3 only**
-(SPDX `AGPL-3.0-only`). The full text is in [LICENSE](LICENSE). Its source is available to you under
-the terms of that license.
+Ekklesia is licensed under the **GNU Affero General Public License, version 3 or any later version**
+(SPDX `AGPL-3.0-or-later`). The full text of version 3 is in [LICENSE](LICENSE). Its source is
+available to you under the terms of that license.
+
+> Ekklesia is free software: you can redistribute it and/or modify it under the terms of the GNU
+> Affero General Public License as published by the Free Software Foundation, either version 3 of
+> the License, or (at your option) any later version.
+>
+> Ekklesia is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero
+> General Public License for more details.
+>
+> You should have received a copy of the GNU Affero General Public License along with Ekklesia. If
+> not, see <https://www.gnu.org/licenses/>.
 
 Section 13 of the license adds an obligation for network use: if you modify Ekklesia and run your
 modified version for users who interact with it remotely over a network, your version must offer
 those users the opportunity to receive its Corresponding Source.
 
-Official Ekklesia modules, published by the Ekklesia project, are licensed under `AGPL-3.0-only` as
-well. Each module's own repository declares its license. The module template declares it in its
+Official Ekklesia modules, published by the Ekklesia project, are licensed under `AGPL-3.0-or-later`
+as well. Each module's own repository declares its license. The module template declares it in its
 `package.json`, so a module started from the template begins with the same license.
diff --git a/apps/api/package.json b/apps/api/package.json
index 9d3e4ff..eb7fcdd 100644
--- a/apps/api/package.json
+++ b/apps/api/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/api",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "type": "module",
   "files": [
diff --git a/core/package.json b/core/package.json
index 2fee8d5..e849bee 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/core",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "type": "module",
   "files": [
diff --git a/docs/module-development/README.md b/docs/module-development/README.md
index 8e080a2..b40d1c4 100644
--- a/docs/module-development/README.md
+++ b/docs/module-development/README.md
@@ -159,9 +159,10 @@ Ekklesia are proven ([ADR 0047](../architecture/decisions/0047-module-ci-harness
 
 ### License
 
-Ekklesia is licensed under `AGPL-3.0-only` ([LICENSE](../../LICENSE)), and official Ekklesia modules
-use the same license. Declare it in your module's development `package.json`
-(`"license": "AGPL-3.0-only"`), as the module template does.
+Ekklesia is licensed under the GNU Affero General Public License, version 3 or (at your option) any
+later version, `AGPL-3.0-or-later` ([LICENSE](../../LICENSE)), and official Ekklesia modules use the
+same license. Declare it in your module's development `package.json`
+(`"license": "AGPL-3.0-or-later"`), as the module template does.
 
 A Module Package v1 does not yet record a module's own license: its runtime `package.json` and
 `ekklesia.package.json` have fixed fields, and its contents are fixed, by ADR 0049. Carrying the
diff --git a/package.json b/package.json
index 4f01ff4..b8311ab 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ekklesia",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "type": "module",
   "description": "Open, modular church technology platform",
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 8c441fc..df754be 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/contracts",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/packages/design-tokens/package.json b/packages/design-tokens/package.json
index a7a873c..0dc79b5 100644
--- a/packages/design-tokens/package.json
+++ b/packages/design-tokens/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/design-tokens",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/packages/module-pack/package.json b/packages/module-pack/package.json
index 1923ba9..bc20c10 100644
--- a/packages/module-pack/package.json
+++ b/packages/module-pack/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-pack",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "bin",
diff --git a/packages/module-sdk/package.json b/packages/module-sdk/package.json
index 9530dab..d67f3e3 100644
--- a/packages/module-sdk/package.json
+++ b/packages/module-sdk/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-sdk",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/packages/module-ui-build/package.json b/packages/module-ui-build/package.json
index b4b50e7..c510de3 100644
--- a/packages/module-ui-build/package.json
+++ b/packages/module-ui-build/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-ui-build",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "bin",
diff --git a/packages/module-ui-host/package.json b/packages/module-ui-host/package.json
index 0c86b34..bfe20fe 100644
--- a/packages/module-ui-host/package.json
+++ b/packages/module-ui-host/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-ui-host",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/packages/module-ui-sdk/package.json b/packages/module-ui-sdk/package.json
index 8bf362b..3b5c252 100644
--- a/packages/module-ui-sdk/package.json
+++ b/packages/module-ui-sdk/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-ui-sdk",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/packages/typescript-config/package.json b/packages/typescript-config/package.json
index 9cfe70d..b80617a 100644
--- a/packages/typescript-config/package.json
+++ b/packages/typescript-config/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/typescript-config",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "files": [
     "base.json",
diff --git a/packages/ui/package.json b/packages/ui/package.json
index ffab0cc..9c1b27a 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/ui",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "type": "module",
   "files": [
     "dist"
diff --git a/surfaces/shell/package.json b/surfaces/shell/package.json
index e97ab2d..0fce3cf 100644
--- a/surfaces/shell/package.json
+++ b/surfaces/shell/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/shell",
   "version": "0.1.2",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "type": "module",
   "files": [
diff --git a/templates/module/README.md b/templates/module/README.md
index 1f979b1..42c3189 100644
--- a/templates/module/README.md
+++ b/templates/module/README.md
@@ -84,7 +84,7 @@ classification or approval.
 
 ## License
 
-The template's `package.json` declares `"license": "AGPL-3.0-only"`, the license of Ekklesia and of
-official Ekklesia modules (see the repository [README](../../README.md#license) and
+The template's `package.json` declares `"license": "AGPL-3.0-or-later"`, the license of Ekklesia
+and of official Ekklesia modules (see the repository [README](../../README.md#license) and
 [LICENSE](../../LICENSE)). A module started from the template begins with that declaration; an
 official Ekklesia module keeps it.
diff --git a/templates/module/package.json b/templates/module/package.json
index 5055520..2fb5666 100644
--- a/templates/module/package.json
+++ b/templates/module/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ekklesia/module-template",
   "version": "0.1.0",
-  "license": "AGPL-3.0-only",
+  "license": "AGPL-3.0-or-later",
   "private": true,
   "type": "module",
   "files": [