diff --git a/github/data_source_github_repository.go b/github/data_source_github_repository.go
index 67f1b22c19..4706ad4da4 100644
--- a/github/data_source_github_repository.go
+++ b/github/data_source_github_repository.go
@@ -79,6 +79,11 @@ func dataSourceGithubRepository() *schema.Resource {
 				Type:     schema.TypeBool,
 				Computed: true,
 			},
+			"allow_forking": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  true,
+			},
 			"default_branch": {
 				Type:     schema.TypeString,
 				Computed: true,
@@ -229,6 +234,7 @@ func dataSourceGithubRepositoryRead(d *schema.ResourceData, meta interface{}) er
 	d.Set("allow_squash_merge", repo.GetAllowSquashMerge())
 	d.Set("allow_rebase_merge", repo.GetAllowRebaseMerge())
 	d.Set("allow_auto_merge", repo.GetAllowAutoMerge())
+	d.Set("allow_forking", repo.GetAllowForking())
 	d.Set("has_downloads", repo.GetHasDownloads())
 	d.Set("full_name", repo.GetFullName())
 	d.Set("default_branch", repo.GetDefaultBranch())
diff --git a/github/resource_github_repository.go b/github/resource_github_repository.go
index 38567d5d45..11c191a2bd 100644
--- a/github/resource_github_repository.go
+++ b/github/resource_github_repository.go
@@ -94,6 +94,11 @@ func resourceGithubRepository() *schema.Resource {
 				Optional: true,
 				Default:  false,
 			},
+			"allow_forking": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  true,
+			},
 			"delete_branch_on_merge": {
 				Type:     schema.TypeBool,
 				Optional: true,
@@ -295,6 +300,7 @@ func resourceGithubRepositoryObject(d *schema.ResourceData) *github.Repository {
 		AllowSquashMerge:    github.Bool(d.Get("allow_squash_merge").(bool)),
 		AllowRebaseMerge:    github.Bool(d.Get("allow_rebase_merge").(bool)),
 		AllowAutoMerge:      github.Bool(d.Get("allow_auto_merge").(bool)),
+		AllowForking:        github.Bool(d.Get("allow_forking").(bool)),
 		DeleteBranchOnMerge: github.Bool(d.Get("delete_branch_on_merge").(bool)),
 		AutoInit:            github.Bool(d.Get("auto_init").(bool)),
 		LicenseTemplate:     github.String(d.Get("license_template").(string)),
@@ -440,6 +446,7 @@ func resourceGithubRepositoryRead(d *schema.ResourceData, meta interface{}) erro
 	d.Set("allow_squash_merge", repo.GetAllowSquashMerge())
 	d.Set("allow_rebase_merge", repo.GetAllowRebaseMerge())
 	d.Set("allow_auto_merge", repo.GetAllowAutoMerge())
+	d.Set("allow_forking", repo.GetAllowForking())
 	d.Set("delete_branch_on_merge", repo.GetDeleteBranchOnMerge())
 	d.Set("has_downloads", repo.GetHasDownloads())
 	d.Set("full_name", repo.GetFullName())
diff --git a/github/resource_github_repository_test.go b/github/resource_github_repository_test.go
index 8814659406..b388a0580f 100644
--- a/github/resource_github_repository_test.go
+++ b/github/resource_github_repository_test.go
@@ -31,6 +31,7 @@ func TestAccGithubRepositories(t *testing.T) {
 			  allow_squash_merge = false
 			  allow_rebase_merge = false
 			  allow_auto_merge   = true
+			  allow_forking      = false
 			  auto_init          = false
 
 			}
@@ -45,6 +46,10 @@ func TestAccGithubRepositories(t *testing.T) {
 				"github_repository.test", "allow_auto_merge",
 				"true",
 			),
+			resource.TestCheckResourceAttr(
+				"github_repository.test", "allow_forking",
+				"false",
+			),
 		)
 
 		testCase := func(t *testing.T, mode string) {
diff --git a/website/docs/d/repository.html.markdown b/website/docs/d/repository.html.markdown
index 59f934bffc..d3ef8905a6 100644
--- a/website/docs/d/repository.html.markdown
+++ b/website/docs/d/repository.html.markdown
@@ -51,6 +51,8 @@ The following arguments are supported:
 
 * `allow_auto_merge` - Whether the repository allows auto-merging pull requests.
 
+* `allow_forking` - Whether true to allow private forks, or false to prevent private forks.
+
 * `has_downloads` - Whether the repository has Downloads feature enabled.
 
 * `default_branch` - The name of the default branch of the repository.