diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20102db7e1..cd2d9a48a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,14 @@ Canonical reference for changes, improvements, and bugfixes for Boundary.
 
 ## Next
 
-## 0.6.0 (2021/09/03)
+### Bug Fixes
 
+* grants: Fix issue where `credential-store`, `credential-library`, and
+  `managed-group` would not be accepted as specific `type` values in grant
+  strings. Also, fix authorized actions not showing `credential-store` values in
+  project scope output. ([PR](https://github.com/hashicorp/boundary/pull/1524))
+
+## 0.6.0 (2021/09/03)
 
 ### New and Improved
 
@@ -25,7 +31,7 @@ Canonical reference for changes, improvements, and bugfixes for Boundary.
   ([PR](https://github.com/hashicorp/boundary/pull/1474))
 * targets: Fix panic when using `boundary targets authorize-session`
   ([issue](https://github.com/hashicorp/boundary/issues/1488),
-  [PR](https://github.com/hashicorp/boundary/pull/1496)).
+  [PR](https://github.com/hashicorp/boundary/pull/1496))
 
 ## 0.5.1 (2021/08/16)
 
diff --git a/internal/perms/acl.go b/internal/perms/acl.go
index 2b92f141c1..c4e813c1d6 100644
--- a/internal/perms/acl.go
+++ b/internal/perms/acl.go
@@ -180,6 +180,7 @@ func topLevelType(typ resource.Type) bool {
 	switch typ {
 	case resource.AuthMethod,
 		resource.AuthToken,
+		resource.CredentialStore,
 		resource.Group,
 		resource.HostCatalog,
 		resource.Role,
diff --git a/internal/perms/grants.go b/internal/perms/grants.go
index bc57757aca..75ea1f3ef9 100644
--- a/internal/perms/grants.go
+++ b/internal/perms/grants.go
@@ -422,26 +422,17 @@ func Parse(scopeId, grantString string, opt ...Option) (Grant, error) {
 	return grant, nil
 }
 
+// validateType ensures that we are not allowing access to disallowed resource
+// types. It does not explicitly check the resource string itself; that's the
+// job of the parsing functions to look up the string from the Map and ensure
+// it's not unknown.
 func (g Grant) validateType() error {
 	const op = "perms.(Grant).validateType"
 	switch g.typ {
-	case resource.Unknown,
-		resource.All,
-		resource.Scope,
-		resource.User,
-		resource.Group,
-		resource.Role,
-		resource.AuthMethod,
-		resource.Account,
-		resource.AuthToken,
-		resource.HostCatalog,
-		resource.HostSet,
-		resource.Host,
-		resource.Target,
-		resource.Session:
-		return nil
-	}
-	return errors.NewDeprecated(errors.InvalidParameter, op, fmt.Sprintf("unknown type specifier %q", g.typ))
+	case resource.Controller, resource.Worker:
+		return errors.NewDeprecated(errors.InvalidParameter, op, fmt.Sprintf("unknown type specifier %q", g.typ))
+	}
+	return nil
 }
 
 func (g *Grant) parseAndValidateActions() error {
diff --git a/internal/perms/grants_test.go b/internal/perms/grants_test.go
index 25d6ba3d82..19f8072804 100644
--- a/internal/perms/grants_test.go
+++ b/internal/perms/grants_test.go
@@ -107,35 +107,14 @@ func Test_ActionParsingValidation(t *testing.T) {
 
 func Test_ValidateType(t *testing.T) {
 	t.Parallel()
-
-	type input struct {
-		name      string
-		input     Grant
-		errResult string
-	}
-
-	tests := []input{
-		{
-			name: "no specifier",
-		},
-		{
-			name: "valid specifier",
-			input: Grant{
-				typ: resource.HostCatalog,
-			},
-		},
-	}
-
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			err := test.input.validateType()
-			if test.errResult == "" {
-				require.NoError(t, err)
-			} else {
-				require.Error(t, err)
-				assert.Equal(t, test.errResult, err.Error())
-			}
-		})
+	var g Grant
+	for i := resource.Unknown; i <= resource.CredentialLibrary; i++ {
+		g.typ = i
+		if i == resource.Controller || i == resource.Worker {
+			assert.Error(t, g.validateType())
+		} else {
+			assert.NoError(t, g.validateType())
+		}
 	}
 }
 
diff --git a/internal/servers/controller/handlers/scopes/scope_service.go b/internal/servers/controller/handlers/scopes/scope_service.go
index 82fb184ed7..07fd19ac71 100644
--- a/internal/servers/controller/handlers/scopes/scope_service.go
+++ b/internal/servers/controller/handlers/scopes/scope_service.go
@@ -21,6 +21,7 @@ import (
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers"
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers/authmethods"
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers/authtokens"
+	"github.com/hashicorp/boundary/internal/servers/controller/handlers/credentialstores"
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers/groups"
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers/host_catalogs"
 	"github.com/hashicorp/boundary/internal/servers/controller/handlers/roles"
@@ -76,10 +77,11 @@ var (
 		},
 
 		scope.Project.String(): {
-			resource.Group:       groups.CollectionActions,
-			resource.HostCatalog: host_catalogs.CollectionActions,
-			resource.Role:        roles.CollectionActions,
-			resource.Target:      targets.CollectionActions,
+			resource.CredentialStore: credentialstores.CollectionActions,
+			resource.Group:           groups.CollectionActions,
+			resource.HostCatalog:     host_catalogs.CollectionActions,
+			resource.Role:            roles.CollectionActions,
+			resource.Target:          targets.CollectionActions,
 		},
 	}
 )
diff --git a/internal/servers/controller/handlers/scopes/scope_service_test.go b/internal/servers/controller/handlers/scopes/scope_service_test.go
index 94eac8ccd9..3079633340 100644
--- a/internal/servers/controller/handlers/scopes/scope_service_test.go
+++ b/internal/servers/controller/handlers/scopes/scope_service_test.go
@@ -146,6 +146,12 @@ var orgAuthorizedCollectionActions = map[string]*structpb.ListValue{
 }
 
 var projectAuthorizedCollectionActions = map[string]*structpb.ListValue{
+	"credential-stores": {
+		Values: []*structpb.Value{
+			structpb.NewStringValue("create"),
+			structpb.NewStringValue("list"),
+		},
+	},
 	"groups": {
 		Values: []*structpb.Value{
 			structpb.NewStringValue("create"),
diff --git a/internal/types/resource/resource.go b/internal/types/resource/resource.go
index a801cc404d..46c67ef862 100644
--- a/internal/types/resource/resource.go
+++ b/internal/types/resource/resource.go
@@ -25,6 +25,11 @@ const (
 	ManagedGroup
 	CredentialStore
 	CredentialLibrary
+	// NOTE: When adding a new type, be sure to update:
+	//
+	// * The Grant.validateType function and test
+	// * The perms.topLevelTypes function
+	// * The scopes service collection actions for appropriate scopes
 )
 
 func (r Type) MarshalJSON() ([]byte, error) {