diff --git a/apps/disco/main.go b/apps/disco/main.go
index 62fb172f..ec5a067e 100644
--- a/apps/disco/main.go
+++ b/apps/disco/main.go
@@ -23,6 +23,7 @@ import (
 
 	"github.com/docopt/docopt-go"
 	"github.com/golang/protobuf/proto"
+
 	"github.com/google/gnostic/conversions"
 	discovery "github.com/google/gnostic/discovery"
 )
diff --git a/apps/petstore-builder/petstore-v2.go b/apps/petstore-builder/petstore-v2.go
index 4fc977b6..ec2cd6e2 100644
--- a/apps/petstore-builder/petstore-v2.go
+++ b/apps/petstore-builder/petstore-v2.go
@@ -252,7 +252,7 @@ func buildDocumentV2() *v2.Document {
 						&v2.NamedSchema{Name: "code", Value: &v2.Schema{
 							Type:   &v2.TypeItem{Value: []string{"integer"}},
 							Format: "int32"}},
-						&v2.NamedSchema{Name: "message", Value: &v2.Schema{Type: &v2.TypeItem{Value:[]string{"string"}}}},
+						&v2.NamedSchema{Name: "message", Value: &v2.Schema{Type: &v2.TypeItem{Value: []string{"string"}}}},
 					},
 				},
 			}})
diff --git a/apps/protoc-gen-openapi/generator/openapi-v3.go b/apps/protoc-gen-openapi/generator/openapi-v3.go
index 5a81ae63..c486f1b3 100644
--- a/apps/protoc-gen-openapi/generator/openapi-v3.go
+++ b/apps/protoc-gen-openapi/generator/openapi-v3.go
@@ -22,11 +22,12 @@ import (
 	"sort"
 	"strings"
 
-	v3 "github.com/google/gnostic/openapiv3"
 	"google.golang.org/genproto/googleapis/api/annotations"
 	"google.golang.org/protobuf/compiler/protogen"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
+
+	v3 "github.com/google/gnostic/openapiv3"
 )
 
 const infoURL = "https://github.com/googleapis/gnostic/tree/master/apps/protoc-gen-openapi"
diff --git a/apps/protoc-gen-openapi/main.go b/apps/protoc-gen-openapi/main.go
index 3d16d423..af621d65 100644
--- a/apps/protoc-gen-openapi/main.go
+++ b/apps/protoc-gen-openapi/main.go
@@ -16,8 +16,9 @@
 package main
 
 import (
-	"github.com/google/gnostic/apps/protoc-gen-openapi/generator"
 	"google.golang.org/protobuf/compiler/protogen"
+
+	"github.com/google/gnostic/apps/protoc-gen-openapi/generator"
 )
 
 func main() {
diff --git a/apps/report-messages/main.go b/apps/report-messages/main.go
index 84388b3a..a308a80f 100644
--- a/apps/report-messages/main.go
+++ b/apps/report-messages/main.go
@@ -22,6 +22,7 @@ import (
 	"os"
 
 	"github.com/golang/protobuf/proto"
+
 	"github.com/google/gnostic/printer"
 
 	plugins "github.com/google/gnostic/plugins"
@@ -43,13 +44,13 @@ func readMessagesFromFileWithName(filename string) *plugins.Messages {
 
 func printMessages(code *printer.Code, messages *plugins.Messages) {
 	for _, message := range messages.Messages {
-		line := fmt.Sprintf("%-7s %-14s %s %+v", 
-				message.Level,
-				message.Code,
-				message.Text,
-				message.Keys)
+		line := fmt.Sprintf("%-7s %-14s %s %+v",
+			message.Level,
+			message.Code,
+			message.Text,
+			message.Keys)
 		code.Print(line)
-        }
+	}
 }
 
 func main() {
diff --git a/apps/report/main.go b/apps/report/main.go
index dce382ee..f0b166b3 100644
--- a/apps/report/main.go
+++ b/apps/report/main.go
@@ -24,6 +24,7 @@ import (
 	"os"
 
 	"github.com/golang/protobuf/proto"
+
 	"github.com/google/gnostic/printer"
 
 	pb "github.com/google/gnostic/openapiv2"
diff --git a/apps/vocabulary-operations/main.go b/apps/vocabulary-operations/main.go
index 5a071489..8bc22ef2 100644
--- a/apps/vocabulary-operations/main.go
+++ b/apps/vocabulary-operations/main.go
@@ -23,6 +23,7 @@ import (
 	"strings"
 
 	"github.com/golang/protobuf/proto"
+
 	metrics "github.com/google/gnostic/metrics"
 	vocabulary "github.com/google/gnostic/metrics/vocabulary"
 )
diff --git a/compiler/extensions.go b/compiler/extensions.go
index 962cb968..5b5a916d 100644
--- a/compiler/extensions.go
+++ b/compiler/extensions.go
@@ -22,8 +22,9 @@ import (
 
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes/any"
-	extensions "github.com/google/gnostic/extensions"
 	yaml "gopkg.in/yaml.v3"
+
+	extensions "github.com/google/gnostic/extensions"
 )
 
 // ExtensionHandler describes a binary that is called by the compiler to handle specification extensions.
diff --git a/compiler/helpers.go b/compiler/helpers.go
index 3dff9e36..97ffaa51 100644
--- a/compiler/helpers.go
+++ b/compiler/helpers.go
@@ -20,8 +20,9 @@ import (
 	"sort"
 	"strconv"
 
-	"github.com/google/gnostic/jsonschema"
 	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/jsonschema"
 )
 
 // compiler helper functions, usually called from generated code
diff --git a/conversions/openapiv2.go b/conversions/openapiv2.go
index 71a41978..fb738865 100644
--- a/conversions/openapiv2.go
+++ b/conversions/openapiv2.go
@@ -18,8 +18,8 @@ import (
 	"log"
 	"net/url"
 
-	openapi2 "github.com/google/gnostic/openapiv2"
 	discovery "github.com/google/gnostic/discovery"
+	openapi2 "github.com/google/gnostic/openapiv2"
 )
 
 func addOpenAPI2SchemaForSchema(d *openapi2.Document, name string, schema *discovery.Schema) {
diff --git a/conversions/openapiv3.go b/conversions/openapiv3.go
index b710fabb..576c2ec2 100644
--- a/conversions/openapiv3.go
+++ b/conversions/openapiv3.go
@@ -19,8 +19,8 @@ import (
 	"net/url"
 	"strings"
 
-	openapi3 "github.com/google/gnostic/openapiv3"
 	discovery "github.com/google/gnostic/discovery"
+	openapi3 "github.com/google/gnostic/openapiv3"
 )
 
 func pathForMethod(path string) string {
diff --git a/discovery/discovery.go b/discovery/discovery.go
index 07543230..c13c2320 100644
--- a/discovery/discovery.go
+++ b/discovery/discovery.go
@@ -18,10 +18,12 @@ package discovery_v1
 
 import (
 	"fmt"
-	"github.com/google/gnostic/compiler"
-	"gopkg.in/yaml.v3"
 	"regexp"
 	"strings"
+
+	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
 )
 
 // Version returns the package name (and OpenAPI version).
diff --git a/lib/gnostic.go b/lib/gnostic.go
index c33cb444..dc7cd843 100644
--- a/lib/gnostic.go
+++ b/lib/gnostic.go
@@ -29,6 +29,8 @@ import (
 	"time"
 
 	"github.com/golang/protobuf/proto"
+	"gopkg.in/yaml.v3"
+
 	"github.com/google/gnostic/compiler"
 	discovery_v1 "github.com/google/gnostic/discovery"
 	"github.com/google/gnostic/jsonwriter"
@@ -36,7 +38,6 @@ import (
 	openapi_v3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
 	surface "github.com/google/gnostic/surface"
-	"gopkg.in/yaml.v3"
 )
 
 // UsageError is a response to invalid command-line inputs
diff --git a/linters/go/gnostic-lint-descriptions/linter_v3.go b/linters/go/gnostic-lint-descriptions/linter_v3.go
index 6f8684c6..b30ba8c0 100644
--- a/linters/go/gnostic-lint-descriptions/linter_v3.go
+++ b/linters/go/gnostic-lint-descriptions/linter_v3.go
@@ -16,7 +16,7 @@ package main
 
 import (
 	openapi "github.com/google/gnostic/openapiv3"
-        plugins "github.com/google/gnostic/plugins"
+	plugins "github.com/google/gnostic/plugins"
 )
 
 // DocumentLinter contains information collected about an API description.
diff --git a/linters/go/gnostic-lint-descriptions/main.go b/linters/go/gnostic-lint-descriptions/main.go
index 3b8a7daf..ea33ce62 100644
--- a/linters/go/gnostic-lint-descriptions/main.go
+++ b/linters/go/gnostic-lint-descriptions/main.go
@@ -22,6 +22,7 @@ package main
 
 import (
 	"github.com/golang/protobuf/proto"
+
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
diff --git a/linters/go/gnostic-lint-paths/main.go b/linters/go/gnostic-lint-paths/main.go
index 73330ee5..56dab5bd 100644
--- a/linters/go/gnostic-lint-paths/main.go
+++ b/linters/go/gnostic-lint-paths/main.go
@@ -19,6 +19,7 @@ package main
 
 import (
 	"github.com/golang/protobuf/proto"
+
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
diff --git a/metrics/vocabulary/vocabulary.go b/metrics/vocabulary/vocabulary.go
index 1ef1faea..cbca53f9 100644
--- a/metrics/vocabulary/vocabulary.go
+++ b/metrics/vocabulary/vocabulary.go
@@ -24,8 +24,9 @@ import (
 	"sort"
 	"strings"
 
-	metrics "github.com/google/gnostic/metrics"
 	"google.golang.org/protobuf/proto"
+
+	metrics "github.com/google/gnostic/metrics"
 )
 
 type Vocabulary struct {
diff --git a/metrics/vocabulary/vocabulary_test.go b/metrics/vocabulary/vocabulary_test.go
index edf1f37f..90d93868 100644
--- a/metrics/vocabulary/vocabulary_test.go
+++ b/metrics/vocabulary/vocabulary_test.go
@@ -21,6 +21,7 @@ import (
 	"testing"
 
 	"github.com/golang/protobuf/jsonpb"
+
 	discovery "github.com/google/gnostic/discovery"
 	metrics "github.com/google/gnostic/metrics"
 	openapiv2 "github.com/google/gnostic/openapiv2"
diff --git a/openapiv2/OpenAPIv2.go b/openapiv2/OpenAPIv2.go
index 0a595f9f..0f179076 100644
--- a/openapiv2/OpenAPIv2.go
+++ b/openapiv2/OpenAPIv2.go
@@ -18,10 +18,12 @@ package openapi_v2
 
 import (
 	"fmt"
-	"github.com/google/gnostic/compiler"
-	"gopkg.in/yaml.v3"
 	"regexp"
 	"strings"
+
+	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
 )
 
 // Version returns the package name (and OpenAPI version).
diff --git a/openapiv2/document.go b/openapiv2/document.go
index c22f03fa..0021ae87 100644
--- a/openapiv2/document.go
+++ b/openapiv2/document.go
@@ -15,8 +15,9 @@
 package openapi_v2
 
 import (
-	"github.com/google/gnostic/compiler"
 	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
 )
 
 // ParseDocument reads an OpenAPI v2 description from a YAML/JSON representation.
diff --git a/openapiv3/OpenAPIv3.go b/openapiv3/OpenAPIv3.go
index 58d63571..dc6feb3d 100644
--- a/openapiv3/OpenAPIv3.go
+++ b/openapiv3/OpenAPIv3.go
@@ -18,10 +18,12 @@ package openapi_v3
 
 import (
 	"fmt"
-	"github.com/google/gnostic/compiler"
-	"gopkg.in/yaml.v3"
 	"regexp"
 	"strings"
+
+	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
 )
 
 // Version returns the package name (and OpenAPI version).
diff --git a/openapiv3/document.go b/openapiv3/document.go
index f64e52be..ef10d1d9 100644
--- a/openapiv3/document.go
+++ b/openapiv3/document.go
@@ -15,8 +15,9 @@
 package openapi_v3
 
 import (
-	"github.com/google/gnostic/compiler"
 	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
 )
 
 // ParseDocument reads an OpenAPI v3 description from a YAML/JSON representation.
diff --git a/plugins/environment.go b/plugins/environment.go
index 0a856aa4..3a935295 100644
--- a/plugins/environment.go
+++ b/plugins/environment.go
@@ -14,9 +14,9 @@ import (
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes/any"
 
+	discovery "github.com/google/gnostic/discovery"
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
-	discovery "github.com/google/gnostic/discovery"
 	surface "github.com/google/gnostic/surface"
 )
 
diff --git a/plugins/gnostic-analyze/main.go b/plugins/gnostic-analyze/main.go
index fd4cc174..f2e6918f 100644
--- a/plugins/gnostic-analyze/main.go
+++ b/plugins/gnostic-analyze/main.go
@@ -33,6 +33,7 @@ import (
 	"github.com/google/gnostic/plugins/gnostic-analyze/statistics"
 
 	"github.com/golang/protobuf/proto"
+
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
diff --git a/plugins/gnostic-complexity/main.go b/plugins/gnostic-complexity/main.go
index 1e8543b9..fbffc45c 100644
--- a/plugins/gnostic-complexity/main.go
+++ b/plugins/gnostic-complexity/main.go
@@ -20,6 +20,7 @@ import (
 	"path/filepath"
 
 	"github.com/golang/protobuf/proto"
+
 	metrics "github.com/google/gnostic/metrics"
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
diff --git a/plugins/gnostic-linter/main.go b/plugins/gnostic-linter/main.go
index 826d5508..116f80b6 100644
--- a/plugins/gnostic-linter/main.go
+++ b/plugins/gnostic-linter/main.go
@@ -19,6 +19,7 @@ import (
 	"path/filepath"
 
 	"github.com/golang/protobuf/proto"
+
 	lint "github.com/google/gnostic/metrics/lint"
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
diff --git a/plugins/gnostic-plugin-request/main.go b/plugins/gnostic-plugin-request/main.go
index dd131193..0c42af60 100644
--- a/plugins/gnostic-plugin-request/main.go
+++ b/plugins/gnostic-plugin-request/main.go
@@ -21,6 +21,7 @@ import (
 
 	"github.com/golang/protobuf/jsonpb"
 	"github.com/golang/protobuf/proto"
+
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
diff --git a/plugins/gnostic-process-plugin-response/main.go b/plugins/gnostic-process-plugin-response/main.go
index cfaee0a1..294b97b0 100644
--- a/plugins/gnostic-process-plugin-response/main.go
+++ b/plugins/gnostic-process-plugin-response/main.go
@@ -24,6 +24,7 @@ import (
 	"os"
 
 	"github.com/golang/protobuf/proto"
+
 	plugins "github.com/google/gnostic/plugins"
 )
 
diff --git a/plugins/gnostic-summary/main.go b/plugins/gnostic-summary/main.go
index d25a27e9..846e2904 100644
--- a/plugins/gnostic-summary/main.go
+++ b/plugins/gnostic-summary/main.go
@@ -21,6 +21,7 @@ import (
 	"path/filepath"
 
 	"github.com/golang/protobuf/proto"
+
 	openapiv2 "github.com/google/gnostic/openapiv2"
 	openapiv3 "github.com/google/gnostic/openapiv3"
 	plugins "github.com/google/gnostic/plugins"
diff --git a/plugins/gnostic-vocabulary/main.go b/plugins/gnostic-vocabulary/main.go
index b67c666a..dbfb1125 100644
--- a/plugins/gnostic-vocabulary/main.go
+++ b/plugins/gnostic-vocabulary/main.go
@@ -20,6 +20,7 @@ import (
 	"path/filepath"
 
 	"github.com/golang/protobuf/proto"
+
 	discovery_v1 "github.com/google/gnostic/discovery"
 	metrics "github.com/google/gnostic/metrics"
 	vocabulary "github.com/google/gnostic/metrics/vocabulary"
diff --git a/surface/model_openapiv2.go b/surface/model_openapiv2.go
index 547d1b18..9974f028 100644
--- a/surface/model_openapiv2.go
+++ b/surface/model_openapiv2.go
@@ -15,10 +15,11 @@
 package surface_v1
 
 import (
-	openapiv2 "github.com/google/gnostic/openapiv2"
-	"github.com/google/gnostic/compiler"
 	"log"
 	"strconv"
+
+	"github.com/google/gnostic/compiler"
+	openapiv2 "github.com/google/gnostic/openapiv2"
 )
 
 type OpenAPI2Builder struct {
diff --git a/surface/model_openapiv3.go b/surface/model_openapiv3.go
index 1e8b0dfa..83df4ed9 100644
--- a/surface/model_openapiv3.go
+++ b/surface/model_openapiv3.go
@@ -15,10 +15,11 @@
 package surface_v1
 
 import (
-	"github.com/google/gnostic/compiler"
-	openapiv3 "github.com/google/gnostic/openapiv3"
 	"log"
 	"strings"
+
+	"github.com/google/gnostic/compiler"
+	openapiv3 "github.com/google/gnostic/openapiv3"
 )
 
 type OpenAPI3Builder struct {
diff --git a/tools/format-schema/main.go b/tools/format-schema/main.go
index 9c8245be..5cc363c3 100644
--- a/tools/format-schema/main.go
+++ b/tools/format-schema/main.go
@@ -17,9 +17,10 @@ package main
 
 import (
 	"fmt"
-	"github.com/google/gnostic/jsonschema"
 	"os"
 	"path"
+
+	"github.com/google/gnostic/jsonschema"
 )
 
 func main() {
diff --git a/tools/j2y2j/main.go b/tools/j2y2j/main.go
index b4060978..4b74fb43 100644
--- a/tools/j2y2j/main.go
+++ b/tools/j2y2j/main.go
@@ -21,8 +21,9 @@ import (
 	"os"
 	"path"
 
-	"github.com/google/gnostic/jsonschema"
 	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/jsonschema"
 )
 
 func usage() {