diff --git a/lib/modules/datasource/jenkins-plugins/index.ts b/lib/modules/datasource/jenkins-plugins/index.ts
index 28cbca46d5831d23af5afdc0e851d762f6542aee..db434ba666c26cb1522714aa93b80c846d6e84ad 100644
--- a/lib/modules/datasource/jenkins-plugins/index.ts
+++ b/lib/modules/datasource/jenkins-plugins/index.ts
@@ -56,7 +56,7 @@ export class JenkinsPluginsDatasource extends Datasource {
   }
 
   @cache({
-    namespace: JenkinsPluginsDatasource.id,
+    namespace: `datasource-${JenkinsPluginsDatasource.id}`,
     key: 'info',
     ttlMinutes: 1440,
   })
@@ -78,7 +78,10 @@ export class JenkinsPluginsDatasource extends Datasource {
     return info;
   }
 
-  @cache({ namespace: JenkinsPluginsDatasource.id, key: 'versions' })
+  @cache({
+    namespace: `datasource-${JenkinsPluginsDatasource.id}`,
+    key: 'versions',
+  })
   async getJenkinsPluginVersions(
     updateSiteUrl: string,
   ): Promise<Record<string, Release[]>> {
diff --git a/lib/util/cache/package/types.ts b/lib/util/cache/package/types.ts
index 0187737243bdbc764b6d2b52ad097fac146d03a2..6e5fc1866e0ae362ece0e1a4093f94b059a05cc9 100644
--- a/lib/util/cache/package/types.ts
+++ b/lib/util/cache/package/types.ts
@@ -80,6 +80,7 @@ export type PackageCacheNamespace =
   | 'datasource-hex'
   | 'datasource-hexpm-bob'
   | 'datasource-java-version'
+  | 'datasource-jenkins-plugins'
   | 'datasource-maven:head-requests-timeout'
   | 'datasource-maven:head-requests'
   | 'datasource-maven:index-html-releases'
@@ -108,7 +109,6 @@ export type PackageCacheNamespace =
   | 'github-releases-datasource-v2'
   | 'github-tags-datasource-v2'
   | 'go'
-  | 'jenkins-plugins'
   | 'merge-confidence'
   | 'preset'
   | 'url-sha256';