diff --git a/plugins/base/proto/base.pb.go b/plugins/base/proto/base.pb.go
index dff5d046f..88ce71001 100644
--- a/plugins/base/proto/base.pb.go
+++ b/plugins/base/proto/base.pb.go
@@ -48,7 +48,7 @@ func (x PluginType) String() string {
 	return proto.EnumName(PluginType_name, int32(x))
 }
 func (PluginType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{0}
+	return fileDescriptor_base_f2480776612a8fbd, []int{0}
 }
 
 // PluginInfoRequest is used to request the plugins basic information.
@@ -62,7 +62,7 @@ func (m *PluginInfoRequest) Reset()         { *m = PluginInfoRequest{} }
 func (m *PluginInfoRequest) String() string { return proto.CompactTextString(m) }
 func (*PluginInfoRequest) ProtoMessage()    {}
 func (*PluginInfoRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{0}
+	return fileDescriptor_base_f2480776612a8fbd, []int{0}
 }
 func (m *PluginInfoRequest) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PluginInfoRequest.Unmarshal(m, b)
@@ -87,9 +87,9 @@ var xxx_messageInfo_PluginInfoRequest proto.InternalMessageInfo
 type PluginInfoResponse struct {
 	// type indicates what type of plugin this is.
 	Type PluginType `protobuf:"varint,1,opt,name=type,proto3,enum=hashicorp.nomad.plugins.base.proto.PluginType" json:"type,omitempty"`
-	// plugin_api_version indicates the version of the Nomad Plugin API
-	// this plugin is built against.
-	PluginApiVersion string `protobuf:"bytes,2,opt,name=plugin_api_version,json=pluginApiVersion,proto3" json:"plugin_api_version,omitempty"`
+	// plugin_api_versions indicates the versions of the Nomad Plugin API
+	// this plugin supports.
+	PluginApiVersions []string `protobuf:"bytes,2,rep,name=plugin_api_versions,json=pluginApiVersions,proto3" json:"plugin_api_versions,omitempty"`
 	// plugin_version is the semver version of this individual plugin.
 	// This is divorce from Nomad’s development and versioning.
 	PluginVersion string `protobuf:"bytes,3,opt,name=plugin_version,json=pluginVersion,proto3" json:"plugin_version,omitempty"`
@@ -104,7 +104,7 @@ func (m *PluginInfoResponse) Reset()         { *m = PluginInfoResponse{} }
 func (m *PluginInfoResponse) String() string { return proto.CompactTextString(m) }
 func (*PluginInfoResponse) ProtoMessage()    {}
 func (*PluginInfoResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{1}
+	return fileDescriptor_base_f2480776612a8fbd, []int{1}
 }
 func (m *PluginInfoResponse) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_PluginInfoResponse.Unmarshal(m, b)
@@ -131,11 +131,11 @@ func (m *PluginInfoResponse) GetType() PluginType {
 	return PluginType_UNKNOWN
 }
 
-func (m *PluginInfoResponse) GetPluginApiVersion() string {
+func (m *PluginInfoResponse) GetPluginApiVersions() []string {
 	if m != nil {
-		return m.PluginApiVersion
+		return m.PluginApiVersions
 	}
-	return ""
+	return nil
 }
 
 func (m *PluginInfoResponse) GetPluginVersion() string {
@@ -163,7 +163,7 @@ func (m *ConfigSchemaRequest) Reset()         { *m = ConfigSchemaRequest{} }
 func (m *ConfigSchemaRequest) String() string { return proto.CompactTextString(m) }
 func (*ConfigSchemaRequest) ProtoMessage()    {}
 func (*ConfigSchemaRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{2}
+	return fileDescriptor_base_f2480776612a8fbd, []int{2}
 }
 func (m *ConfigSchemaRequest) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ConfigSchemaRequest.Unmarshal(m, b)
@@ -196,7 +196,7 @@ func (m *ConfigSchemaResponse) Reset()         { *m = ConfigSchemaResponse{} }
 func (m *ConfigSchemaResponse) String() string { return proto.CompactTextString(m) }
 func (*ConfigSchemaResponse) ProtoMessage()    {}
 func (*ConfigSchemaResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{3}
+	return fileDescriptor_base_f2480776612a8fbd, []int{3}
 }
 func (m *ConfigSchemaResponse) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ConfigSchemaResponse.Unmarshal(m, b)
@@ -228,17 +228,19 @@ type SetConfigRequest struct {
 	// msgpack_config is the configuration encoded as MessagePack.
 	MsgpackConfig []byte `protobuf:"bytes,1,opt,name=msgpack_config,json=msgpackConfig,proto3" json:"msgpack_config,omitempty"`
 	// nomad_config is the nomad client configuration sent to all plugins.
-	NomadConfig          *NomadConfig `protobuf:"bytes,2,opt,name=nomad_config,json=nomadConfig,proto3" json:"nomad_config,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
+	NomadConfig *NomadConfig `protobuf:"bytes,2,opt,name=nomad_config,json=nomadConfig,proto3" json:"nomad_config,omitempty"`
+	// plugin_api_version is the api version to use.
+	PluginApiVersion     string   `protobuf:"bytes,3,opt,name=plugin_api_version,json=pluginApiVersion,proto3" json:"plugin_api_version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *SetConfigRequest) Reset()         { *m = SetConfigRequest{} }
 func (m *SetConfigRequest) String() string { return proto.CompactTextString(m) }
 func (*SetConfigRequest) ProtoMessage()    {}
 func (*SetConfigRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{4}
+	return fileDescriptor_base_f2480776612a8fbd, []int{4}
 }
 func (m *SetConfigRequest) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SetConfigRequest.Unmarshal(m, b)
@@ -272,6 +274,13 @@ func (m *SetConfigRequest) GetNomadConfig() *NomadConfig {
 	return nil
 }
 
+func (m *SetConfigRequest) GetPluginApiVersion() string {
+	if m != nil {
+		return m.PluginApiVersion
+	}
+	return ""
+}
+
 // NomadConfig is the client configuration sent to all plugins
 type NomadConfig struct {
 	// driver specific configuration sent to all plugins
@@ -285,7 +294,7 @@ func (m *NomadConfig) Reset()         { *m = NomadConfig{} }
 func (m *NomadConfig) String() string { return proto.CompactTextString(m) }
 func (*NomadConfig) ProtoMessage()    {}
 func (*NomadConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{5}
+	return fileDescriptor_base_f2480776612a8fbd, []int{5}
 }
 func (m *NomadConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_NomadConfig.Unmarshal(m, b)
@@ -330,7 +339,7 @@ func (m *NomadDriverConfig) Reset()         { *m = NomadDriverConfig{} }
 func (m *NomadDriverConfig) String() string { return proto.CompactTextString(m) }
 func (*NomadDriverConfig) ProtoMessage()    {}
 func (*NomadDriverConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{6}
+	return fileDescriptor_base_f2480776612a8fbd, []int{6}
 }
 func (m *NomadDriverConfig) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_NomadDriverConfig.Unmarshal(m, b)
@@ -375,7 +384,7 @@ func (m *SetConfigResponse) Reset()         { *m = SetConfigResponse{} }
 func (m *SetConfigResponse) String() string { return proto.CompactTextString(m) }
 func (*SetConfigResponse) ProtoMessage()    {}
 func (*SetConfigResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_base_6813a9f13eda45d4, []int{7}
+	return fileDescriptor_base_f2480776612a8fbd, []int{7}
 }
 func (m *SetConfigResponse) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SetConfigResponse.Unmarshal(m, b)
@@ -551,41 +560,42 @@ var _BasePlugin_serviceDesc = grpc.ServiceDesc{
 	Metadata: "plugins/base/proto/base.proto",
 }
 
-func init() { proto.RegisterFile("plugins/base/proto/base.proto", fileDescriptor_base_6813a9f13eda45d4) }
+func init() { proto.RegisterFile("plugins/base/proto/base.proto", fileDescriptor_base_f2480776612a8fbd) }
 
-var fileDescriptor_base_6813a9f13eda45d4 = []byte{
-	// 519 bytes of a gzipped FileDescriptorProto
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-	0x14, 0xc7, 0xb3, 0xea, 0x63, 0xc8, 0x51, 0x83, 0x99, 0x3c, 0x05, 0x11, 0x0a, 0x61, 0x69, 0x21,
-	0x94, 0xb0, 0x4b, 0x6d, 0x6d, 0x7b, 0x99, 0x6a, 0xbc, 0x90, 0x12, 0x1b, 0xd6, 0xd6, 0x96, 0x52,
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-	0x17, 0xcf, 0xc2, 0x7d, 0x35, 0x5f, 0xce, 0xb8, 0xd0, 0xfe, 0x84, 0x6a, 0xe6, 0xab, 0x58, 0x26,
-	0x12, 0x4d, 0x0f, 0x4d, 0xe2, 0x46, 0x54, 0x47, 0x3c, 0x94, 0xb1, 0xf2, 0x84, 0x5c, 0xd0, 0xa9,
-	0x67, 0x71, 0x6f, 0xcd, 0x34, 0xcf, 0x67, 0x3c, 0x89, 0x96, 0x13, 0x2f, 0x94, 0x0b, 0x7f, 0x85,
-	0xfb, 0x88, 0xfb, 0x99, 0xba, 0x8e, 0x68, 0xcc, 0xa6, 0x7e, 0x14, 0xce, 0xb5, 0x62, 0x61, 0xfa,
-	0x8e, 0x53, 0xc3, 0x28, 0xb8, 0xc7, 0x70, 0x74, 0x85, 0x60, 0x5f, 0x5c, 0xcb, 0x80, 0x7d, 0x5e,
-	0x32, 0x9d, 0xb8, 0x3f, 0x1c, 0x20, 0x79, 0xaf, 0x56, 0x52, 0x68, 0x46, 0x3a, 0x50, 0x4a, 0x6e,
-	0x15, 0x6b, 0x38, 0x27, 0xce, 0xe9, 0x61, 0xcb, 0xf3, 0xfe, 0xdd, 0xa0, 0x67, 0x54, 0xde, 0xdc,
-	0x2a, 0x16, 0x60, 0x2e, 0x39, 0x03, 0x62, 0xb0, 0x31, 0x55, 0x7c, 0x7c, 0xc3, 0x62, 0xcd, 0xa5,
-	0x68, 0x14, 0x4e, 0x9c, 0xd3, 0x83, 0xa0, 0x6e, 0x22, 0x2f, 0x15, 0x1f, 0x19, 0x3f, 0x79, 0x08,
-	0x87, 0x96, 0xce, 0xc8, 0x22, 0x92, 0x35, 0xe3, 0xcd, 0x30, 0x02, 0x25, 0x41, 0x17, 0xac, 0x51,
-	0xc2, 0x20, 0xda, 0xee, 0x3d, 0x38, 0xee, 0x4a, 0x71, 0xcd, 0x67, 0xc3, 0x30, 0x62, 0x0b, 0x9a,
-	0x8d, 0xf6, 0x1e, 0xfe, 0xdf, 0x74, 0xdb, 0xd9, 0xce, 0xa1, 0x94, 0x6e, 0x05, 0x67, 0xab, 0xb4,
-	0xce, 0xfe, 0x3a, 0x9b, 0xd9, 0xa6, 0x67, 0xb7, 0xe9, 0x0d, 0x15, 0x0b, 0x03, 0xcc, 0x74, 0xef,
-	0x1c, 0xa8, 0x0f, 0x59, 0x62, 0xd4, 0x6d, 0xb9, 0x74, 0x80, 0x85, 0x9e, 0x29, 0x1a, 0x7e, 0x1a,
-	0x87, 0x18, 0xc0, 0x02, 0xd5, 0xa0, 0x66, 0xbd, 0x86, 0x26, 0x01, 0x54, 0xb1, 0x4c, 0x06, 0x15,
-	0xb0, 0x0b, 0x7f, 0x9b, 0x0d, 0x0f, 0xd2, 0x80, 0x2d, 0x5a, 0x11, 0xeb, 0x1f, 0xee, 0x47, 0xa8,
-	0xe4, 0x62, 0xe4, 0x12, 0xca, 0xd3, 0x98, 0xdf, 0xb0, 0xd8, 0x8e, 0xd8, 0xde, 0x5a, 0xfc, 0x02,
-	0xd3, 0x6c, 0x09, 0x2b, 0xe2, 0x8e, 0xe1, 0xe8, 0xb7, 0x20, 0x79, 0x00, 0xb5, 0xee, 0x9c, 0x33,
-	0x91, 0x5c, 0xd2, 0x2f, 0x57, 0x32, 0x4e, 0xb0, 0x54, 0x2d, 0xd8, 0x74, 0xe6, 0x28, 0x2e, 0x90,
-	0x2a, 0x6c, 0x50, 0xc6, 0x99, 0x1e, 0x66, 0x6e, 0x9b, 0xe6, 0x5f, 0x7a, 0xf4, 0x18, 0x60, 0x7d,
-	0x51, 0xa4, 0x02, 0xfb, 0x6f, 0x07, 0xaf, 0x06, 0xaf, 0xdf, 0x0d, 0xea, 0x7b, 0x04, 0xa0, 0x7c,
-	0x11, 0xf4, 0x47, 0xbd, 0xa0, 0x5e, 0x40, 0xbb, 0x37, 0xea, 0x77, 0x7b, 0xf5, 0x62, 0xeb, 0xae,
-	0x08, 0xd0, 0xa1, 0x9a, 0x99, 0x3c, 0xf2, 0x2d, 0x53, 0x48, 0x2f, 0x9b, 0xb4, 0xb7, 0xbf, 0xe1,
-	0xdc, 0xf7, 0xd1, 0x7c, 0xb6, 0x6b, 0x9a, 0x69, 0xdf, 0xdd, 0x23, 0xdf, 0x1d, 0xa8, 0xe6, 0xef,
-	0x8f, 0x3c, 0xdf, 0x46, 0xea, 0x0f, 0x87, 0xdc, 0x7c, 0xb1, 0x7b, 0xe2, 0xaa, 0x8b, 0xaf, 0x70,
-	0xb0, 0xda, 0x2d, 0x79, 0xba, 0x8d, 0xd0, 0xaf, 0x87, 0xdd, 0x6c, 0xef, 0x98, 0x95, 0xd5, 0xee,
-	0xec, 0x7f, 0xf8, 0x0f, 0x83, 0x93, 0x32, 0x3e, 0x4f, 0x7e, 0x06, 0x00, 0x00, 0xff, 0xff, 0x53,
-	0xfe, 0xaa, 0x3a, 0x07, 0x05, 0x00, 0x00,
+var fileDescriptor_base_f2480776612a8fbd = []byte{
+	// 535 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x53, 0x41, 0x8f, 0x12, 0x4d,
+	0x10, 0xdd, 0x01, 0x3e, 0x36, 0x14, 0xb0, 0x81, 0xe6, 0x33, 0x21, 0x24, 0x26, 0x64, 0xa2, 0x09,
+	0x31, 0x9b, 0x9e, 0x88, 0xa2, 0x1e, 0x57, 0x58, 0x0e, 0xc4, 0x2c, 0x6e, 0x06, 0x45, 0x63, 0x4c,
+	0x48, 0x33, 0xf4, 0x32, 0x1d, 0xa1, 0xbb, 0x9d, 0x1e, 0x36, 0xae, 0x89, 0x27, 0xcf, 0xfe, 0x22,
+	0x8f, 0xfe, 0x31, 0x33, 0xdd, 0x0d, 0x0c, 0xbb, 0x1a, 0xe1, 0x34, 0x45, 0xd5, 0x7b, 0xaf, 0xaa,
+	0x1e, 0xd5, 0x70, 0x5f, 0x2e, 0x56, 0x73, 0xc6, 0x95, 0x37, 0x25, 0x8a, 0x7a, 0x32, 0x12, 0xb1,
+	0xd0, 0x21, 0xd6, 0x21, 0x72, 0x43, 0xa2, 0x42, 0x16, 0x88, 0x48, 0x62, 0x2e, 0x96, 0x64, 0x86,
+	0x2d, 0x1c, 0x6f, 0x31, 0x8d, 0xb3, 0x39, 0x8b, 0xc3, 0xd5, 0x14, 0x07, 0x62, 0xe9, 0x6d, 0xe0,
+	0x9e, 0x86, 0x7b, 0x6b, 0x75, 0x15, 0x92, 0x88, 0xce, 0xbc, 0x30, 0x58, 0x28, 0x49, 0x83, 0xe4,
+	0x3b, 0x49, 0x02, 0xa3, 0xe0, 0xd6, 0xa0, 0x7a, 0xa9, 0x81, 0x03, 0x7e, 0x25, 0x7c, 0xfa, 0x79,
+	0x45, 0x55, 0xec, 0xfe, 0x72, 0x00, 0xa5, 0xb3, 0x4a, 0x0a, 0xae, 0x28, 0xea, 0x42, 0x2e, 0xbe,
+	0x91, 0xb4, 0xee, 0x34, 0x9d, 0xd6, 0x49, 0x1b, 0xe3, 0x7f, 0x0f, 0x88, 0x8d, 0xca, 0x9b, 0x1b,
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+	0xaa, 0x9e, 0x69, 0x66, 0x5b, 0x05, 0xbf, 0x6a, 0x4a, 0x2f, 0x25, 0x1b, 0xdb, 0x02, 0x7a, 0x08,
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+	0xe3, 0x64, 0x49, 0xeb, 0x39, 0x5d, 0xd4, 0xb1, 0x7b, 0x0f, 0x6a, 0x3d, 0xc1, 0xaf, 0xd8, 0x7c,
+	0x14, 0x84, 0x74, 0x49, 0xd6, 0xcb, 0xbd, 0x87, 0xff, 0x77, 0xd3, 0x76, 0xbb, 0x33, 0xc8, 0x25,
+	0xbe, 0xe8, 0xed, 0x8a, 0xed, 0xd3, 0xbf, 0x6e, 0x67, 0xfc, 0xc4, 0xd6, 0x4f, 0x3c, 0x92, 0x34,
+	0xf0, 0x35, 0xd3, 0xfd, 0xe9, 0x40, 0x65, 0x44, 0x63, 0xa3, 0x6e, 0xdb, 0x25, 0x0b, 0x2c, 0xd5,
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+	0xa5, 0x84, 0x2e, 0x20, 0x3f, 0x8b, 0xd8, 0x35, 0x8d, 0xac, 0x21, 0x9d, 0xbd, 0x47, 0x39, 0xd7,
+	0x34, 0x3b, 0x90, 0x15, 0x71, 0x27, 0x50, 0xbd, 0x53, 0x44, 0x0f, 0xa0, 0xdc, 0x5b, 0x30, 0xca,
+	0xe3, 0x0b, 0xf2, 0xe5, 0x52, 0x44, 0xb1, 0x6e, 0x55, 0xf6, 0x77, 0x93, 0x29, 0x14, 0xe3, 0x1a,
+	0x95, 0xd9, 0x41, 0x99, 0x64, 0x72, 0xc8, 0x29, 0xef, 0xcd, 0x7f, 0xfa, 0xe8, 0x31, 0xc0, 0xf6,
+	0x02, 0x51, 0x11, 0x8e, 0xdf, 0x0e, 0x5f, 0x0d, 0x5f, 0xbf, 0x1b, 0x56, 0x8e, 0x10, 0x40, 0xfe,
+	0xdc, 0x1f, 0x8c, 0xfb, 0x7e, 0x25, 0xa3, 0xe3, 0xfe, 0x78, 0xd0, 0xeb, 0x57, 0xb2, 0xed, 0x1f,
+	0x59, 0x80, 0x2e, 0x51, 0xd4, 0xf0, 0xd0, 0xb7, 0xb5, 0x42, 0xf2, 0x12, 0x50, 0x67, 0xff, 0x9b,
+	0x4f, 0xbd, 0xa7, 0xc6, 0xb3, 0x43, 0x69, 0x66, 0x7c, 0xf7, 0x08, 0x7d, 0x77, 0xa0, 0x94, 0xbe,
+	0x56, 0xf4, 0x7c, 0x1f, 0xa9, 0x3f, 0x9c, 0x7d, 0xe3, 0xc5, 0xe1, 0xc4, 0xcd, 0x14, 0x5f, 0xa1,
+	0xb0, 0xf1, 0x16, 0x3d, 0xdd, 0x47, 0xe8, 0xf6, 0x33, 0x68, 0x74, 0x0e, 0x64, 0xad, 0x7b, 0x77,
+	0x8f, 0x3f, 0xfc, 0xa7, 0x8b, 0xd3, 0xbc, 0xfe, 0x3c, 0xf9, 0x1d, 0x00, 0x00, 0xff, 0xff, 0xcc,
+	0x26, 0x80, 0xcf, 0x37, 0x05, 0x00, 0x00,
 }
diff --git a/plugins/base/proto/base.proto b/plugins/base/proto/base.proto
index 402e3b214..344e93834 100644
--- a/plugins/base/proto/base.proto
+++ b/plugins/base/proto/base.proto
@@ -33,9 +33,9 @@ message PluginInfoResponse {
   // type indicates what type of plugin this is.
   PluginType type = 1;
 
-  // plugin_api_version indicates the version of the Nomad Plugin API
-  // this plugin is built against.
-  string plugin_api_version = 2;
+  // plugin_api_versions indicates the versions of the Nomad Plugin API
+  // this plugin supports.
+  repeated string plugin_api_versions = 2;
 
   // plugin_version is the semver version of this individual plugin.
   // This is divorce from Nomad’s development and versioning.
@@ -61,6 +61,9 @@ message SetConfigRequest {
 
   // nomad_config is the nomad client configuration sent to all plugins.
   NomadConfig nomad_config = 2;
+
+  // plugin_api_version is the api version to use.
+  string plugin_api_version = 3;
 }
 
 // NomadConfig is the client configuration sent to all plugins