diff --git a/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/client/BitbucketCloudApiClient.java b/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/client/BitbucketCloudApiClient.java
index 4612f4d95..f06f12a24 100644
--- a/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/client/BitbucketCloudApiClient.java
+++ b/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/client/BitbucketCloudApiClient.java
@@ -768,6 +768,7 @@ public List<BitbucketCloudRepository> getRepositories(@CheckForNull UserRoleInRe
                 .set("pagelen", MAX_PAGE_LENGTH);
         if (StringUtils.isNotBlank(projectKey)) {
             template.set("q", "project.key=" + "\"" + projectKey + "\""); // q=project.key="<projectKey>"
+            cacheKey.append("::").append(projectKey);
         }
         if (role != null &&  authenticator != null) {
             template.set("role", role.getId());