diff --git a/modules/dgi_actions_ark_identifier/dgi_actions_ark_identifier.info.yml b/modules/dgi_actions_ark_identifier/dgi_actions_ark_identifier.info.yml
index deecaee..f79c1d1 100644
--- a/modules/dgi_actions_ark_identifier/dgi_actions_ark_identifier.info.yml
+++ b/modules/dgi_actions_ark_identifier/dgi_actions_ark_identifier.info.yml
@@ -2,7 +2,7 @@ name: 'DGI Actions ARK Identifier'
 description: "DGI Actions ARK Identifier sub-module."
 type: module
 package: DGI Actions
-core: 8.x
+core_version_requirement: ^8 || ^9
 dependencies:
   - discoverygarden:dgi_actions
   - discoverygarden:dgi_actions_ezid
diff --git a/modules/dgi_actions_ezid/dgi_actions_ezid.info.yml b/modules/dgi_actions_ezid/dgi_actions_ezid.info.yml
index 62cc243..31bad63 100644
--- a/modules/dgi_actions_ezid/dgi_actions_ezid.info.yml
+++ b/modules/dgi_actions_ezid/dgi_actions_ezid.info.yml
@@ -2,6 +2,6 @@ name: 'DGI Actions EZID'
 description: "Provides integration with California Digital Library's EZID service."
 type: module
 package: DGI Actions
-core: 8.x
+core_version_requirement: ^8 || ^9
 dependencies:
   - discoverygarden:dgi_actions
diff --git a/modules/dgi_actions_handle/dgi_actions_handle.info.yml b/modules/dgi_actions_handle/dgi_actions_handle.info.yml
index 8f28a9b..7797e00 100644
--- a/modules/dgi_actions_handle/dgi_actions_handle.info.yml
+++ b/modules/dgi_actions_handle/dgi_actions_handle.info.yml
@@ -2,6 +2,6 @@ name: 'DGI Actions Handle'
 description: "Provides integration with Handle.net for minting identifiers."
 type: module
 package: DGI Actions
-core: 8.x
+core_version_requirement: ^8 || ^9
 dependencies:
   - discoverygarden:dgi_actions