diff --git a/github/resource_github_organization_ruleset.go b/github/resource_github_organization_ruleset.go
index daede5652..d057a8adb 100644
--- a/github/resource_github_organization_ruleset.go
+++ b/github/resource_github_organization_ruleset.go
@@ -57,9 +57,10 @@ func resourceGithubOrganizationRuleset() *schema.Resource {
 							Description: "The ID of the actor that can bypass a ruleset. When `actor_type` is `OrganizationAdmin`, this should be set to `1`. Some resources such as DeployKey do not have an ID and this should be omitted.",
 						},
 						"actor_type": {
-							Type:        schema.TypeString,
-							Required:    true,
-							Description: "The type of actor that can bypass a ruleset. See https://docs.github.com/en/rest/orgs/rules for more information",
+							Type:         schema.TypeString,
+							Required:     true,
+							ValidateFunc: validation.StringInSlice([]string{"Integration", "OrganizationAdmin", "RepositoryRole", "Team", "DeployKey"}, false),
+							Description:  "The type of actor that can bypass a ruleset. See https://docs.github.com/en/rest/orgs/rules for more information",
 						},
 						"bypass_mode": {
 							Type:         schema.TypeString,