diff --git a/vendor/github.com/hashicorp/raft/configuration.go b/vendor/github.com/hashicorp/raft/configuration.go
index 7c0eaba4ce..4902fb1e97 100644
--- a/vendor/github.com/hashicorp/raft/configuration.go
+++ b/vendor/github.com/hashicorp/raft/configuration.go
@@ -39,6 +39,9 @@ func (s ServerSuffrage) String() string {
 // persistent FSM state can behave as a complete snapshot, and be able to recover
 // without an external snapshot just for persisting the raft configuration.
 type ConfigurationStore interface {
+	// ConfigurationStore is a superset of the FSM functionality
+	FSM
+
 	// StoreConfiguration is invoked once a log entry containing a configuration
 	// change is committed. It takes the index at which the configuration was
 	// written and the configuration value.
diff --git a/vendor/modules.txt b/vendor/modules.txt
index bf998a213e..8916bfbfda 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -322,7 +322,7 @@ github.com/hashicorp/hcl/json/token
 # github.com/hashicorp/nomad/api v0.0.0-20190412184103-1c38ced33adf
 github.com/hashicorp/nomad/api
 github.com/hashicorp/nomad/api/contexts
-# github.com/hashicorp/raft v1.0.2-0.20190617182316-3db06beda834
+# github.com/hashicorp/raft v1.1.1-0.20190620170237-51bdddce2dbd
 github.com/hashicorp/raft
 # github.com/hashicorp/raft-snapshot v1.0.1
 github.com/hashicorp/raft-snapshot