diff --git a/composer.json b/composer.json
index 4d58990..f74b28d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "cubear/cwd_events",
-    "description": "A Drupal 8 module to embed Localist events in a block.",
+    "description": "A Drupal 9 module to embed Localist events in a block.",
     "type": "drupal-custom-module",
     "homepage": "https://it.cornell.edu/custom-web",
     "authors": [
diff --git a/cwd_events.info.yml b/cwd_events.info.yml
index 9b56930..86b436d 100644
--- a/cwd_events.info.yml
+++ b/cwd_events.info.yml
@@ -2,5 +2,5 @@ name: CWD Events
 description: Creates an Events block.
 package: Custom
 type: module
-version: 3.0
-core: 8.x
+version: 9.0
+core_version_requirement: ^9
diff --git a/cwd_events.libraries.yml b/cwd_events.libraries.yml
index 34e3cf5..37f8241 100644
--- a/cwd_events.libraries.yml
+++ b/cwd_events.libraries.yml
@@ -1,5 +1,5 @@
 cwdeventslib:
-  version: 3.x
+  version: 9.x
   header: true
   css:
     theme: