diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 72246ae..80ed77b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   tests:
-    uses: localgovdrupal/localgov_shared_workflows/.github/workflows/test-module.yml@1.x
+    uses: localgovdrupal/localgov_shared_workflows/.github/workflows/test-module.yml@feature/1.x/d11-support
     with:
       project: 'localgovdrupal/localgov'
       project_path: 'web/profiles/contrib/localgov'
diff --git a/composer.json b/composer.json
index 8397370..0cba44f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
     ],
     "require": {
         "drupal/admin_toolbar": "^3.0",
-        "drupal/content_lock": "^2.4",
-        "drupal/core": "^10.0",
+        "drupal/content_lock": "^3.0@alpha",
+        "drupal/core": "^10.0 || ^11.0",
         "drupal/gin": "^3.0@alpha",
         "drupal/gin_login": "^2.0.3",
         "drupal/gin_toolbar": "^1.0@beta",
@@ -23,7 +23,7 @@
         "drupal/redirect": "^1.10",
         "drupal/simple_sitemap": "^4.1",
         "drupal/search_api": "^1.21",
-        "drush/drush": ">=10",
+        "drush/drush": ">=10 || >=13",
         "localgovdrupal/localgov_alert_banner": "^1.2.0",
         "localgovdrupal/localgov_base": "^1.3.1",
         "localgovdrupal/localgov_core": "^2.12.0",
@@ -41,11 +41,11 @@
         "localgovdrupal/localgov_subsites": "^2.3.0",
         "localgovdrupal/localgov_scarfolk": "^1.1.2",
         "localgovdrupal/localgov_workflows": "^1.2.0",
-        "php": ">=8.1.0"
+        "php": ">=8.1.0 || >=8.3.0"
     },
     "require-dev": {
-        "drupal/core-dev": "^10.0",
-        "drupal/geofield_map": "^3.0"
+        "drupal/core-dev": "^10.0 || ^11.0",
+        "drupal/geofield_map": "^3.0 || ^11.0"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/localgov.info.yml b/localgov.info.yml
index d0303c6..d24a913 100644
--- a/localgov.info.yml
+++ b/localgov.info.yml
@@ -1,7 +1,7 @@
 name: LocalGov Drupal
 type: profile
 description: 'Install a LocalGov Drupal site.'
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^10 || ^11
 
 install:
   # Core
diff --git a/modules/localgov_content_lock/localgov_content_lock.info.yml b/modules/localgov_content_lock/localgov_content_lock.info.yml
index 87602f3..4a5689c 100644
--- a/modules/localgov_content_lock/localgov_content_lock.info.yml
+++ b/modules/localgov_content_lock/localgov_content_lock.info.yml
@@ -2,7 +2,7 @@ name: LocalGov Content Lock
 type: module
 description: Customises the Content Lock module for use with LocalGov Drupal
 package: LocalGov Drupal
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^10 || ^11
 dependencies:
   - content_lock:content_lock
   - content_lock:content_lock_timeout
diff --git a/modules/localgov_login_redirect/localgov_login_redirect.info.yml b/modules/localgov_login_redirect/localgov_login_redirect.info.yml
index 928f1f8..711f5ab 100644
--- a/modules/localgov_login_redirect/localgov_login_redirect.info.yml
+++ b/modules/localgov_login_redirect/localgov_login_redirect.info.yml
@@ -2,7 +2,7 @@ name: LocalGov Login Redirect
 description: Simple module to redirect users at login.
 package: LocalGov Drupal
 type: module
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^10 || ^11
 
 configure: localgov_login_redirect.settings
 dependencies: