diff --git a/Gopkg.lock b/Gopkg.lock
index ff2ff43..66f95d6 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1,14 +1,6 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
-[[projects]]
-  digest = "1:ffc060c551980d37ee9e428ef528ee2813137249ccebb0bfc412ef83071cac91"
-  name = "github.com/golang/protobuf"
-  packages = ["proto"]
-  pruneopts = "UT"
-  revision = "925541529c1fa6821df4e44ce2723319eb2be768"
-  version = "v1.0.0"
-
 [[projects]]
   branch = "master"
   digest = "1:5a73b4e1f20bd3480321a24aace506204e87ef73f7dc2e23d21f24478e94cd34"
@@ -17,12 +9,48 @@
   pruneopts = "UT"
   revision = "c099f663e1c235176c175644792c5eb282017ad7"
 
+[[projects]]
+  digest = "1:3ef4e465143a870872f10eb335d09da62dbd547bd81002124ed87f18cbfc26c6"
+  name = "google.golang.org/protobuf"
+  packages = [
+    "encoding/prototext",
+    "encoding/protowire",
+    "internal/descfmt",
+    "internal/descopts",
+    "internal/detrand",
+    "internal/encoding/defval",
+    "internal/encoding/messageset",
+    "internal/encoding/tag",
+    "internal/encoding/text",
+    "internal/errors",
+    "internal/filedesc",
+    "internal/filetype",
+    "internal/flags",
+    "internal/genid",
+    "internal/impl",
+    "internal/order",
+    "internal/pragma",
+    "internal/set",
+    "internal/strs",
+    "internal/version",
+    "proto",
+    "reflect/protoreflect",
+    "reflect/protoregistry",
+    "runtime/protoiface",
+    "runtime/protoimpl",
+  ]
+  pruneopts = "UT"
+  revision = "f2d1f6cbe10b90d22296ea09a7217081c2798009"
+  version = "v1.26.0"
+
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
   input-imports = [
-    "github.com/golang/protobuf/proto",
     "github.com/ttacon/builder",
+    "google.golang.org/protobuf/proto",
+    "google.golang.org/protobuf/reflect/protoreflect",
+    "google.golang.org/protobuf/runtime/protoimpl",
   ]
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index 6f41abe..701cfc2 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -26,7 +26,7 @@
 
 
 [[constraint]]
-  name = "github.com/golang/protobuf"
+  name = "google.golang.org/protobuf"
   version = "1.0.0"
 
 [[constraint]]
diff --git a/phonenumberutil.go b/phonenumberutil.go
index 622aa7e..7a782fc 100644
--- a/phonenumberutil.go
+++ b/phonenumberutil.go
@@ -11,7 +11,7 @@ import (
 
 	"github.com/ttacon/builder"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -2560,7 +2560,7 @@ func maybeExtractCountryCode(
 		}
 		potentialCountryCode := extractCountryCode(fullNumber, nationalNumber)
 		if potentialCountryCode != 0 {
-			phoneNumber.CountryCode = proto.Int(potentialCountryCode)
+			phoneNumber.CountryCode = proto.Int32(int32(potentialCountryCode))
 			return potentialCountryCode, nil
 		}
 
@@ -2610,13 +2610,13 @@ func maybeExtractCountryCode(
 					val := PhoneNumber_FROM_NUMBER_WITHOUT_PLUS_SIGN
 					phoneNumber.CountryCodeSource = &val
 				}
-				phoneNumber.CountryCode = proto.Int(defaultCountryCode)
+				phoneNumber.CountryCode = proto.Int32(int32(defaultCountryCode))
 				return defaultCountryCode, nil
 			}
 		}
 	}
 	// No country calling code present.
-	phoneNumber.CountryCode = proto.Int(0)
+	phoneNumber.CountryCode = proto.Int32(0)
 	return 0, nil
 }
 
@@ -2867,7 +2867,7 @@ func setItalianLeadingZerosForPhoneNumber(
 		numLeadZeros++
 	}
 	if numLeadZeros != 1 {
-		phoneNumber.NumberOfLeadingZeros = proto.Int(numLeadZeros)
+		phoneNumber.NumberOfLeadingZeros = proto.Int32(int32(numLeadZeros))
 	}
 }
 
@@ -2958,7 +2958,7 @@ func parseHelper(
 		normalizedNationalNumber.WriteString(normalize(nationalNumber.String()))
 		if len(defaultRegion) != 0 {
 			countryCode = int(regionMetadata.GetCountryCode())
-			phoneNumber.CountryCode = proto.Int(countryCode)
+			phoneNumber.CountryCode = proto.Int32(int32(countryCode))
 		} else if keepRawInput {
 			phoneNumber.CountryCodeSource = nil
 		}
@@ -3130,7 +3130,7 @@ func isNumberMatchWithNumbers(firstNumberIn, secondNumberIn *PhoneNumber) MatchT
 	// Checks cases where one or both country_code fields were not
 	// specified. To make equality checks easier, we first set the
 	// country_code fields to be equal.
-	firstNumber.CountryCode = proto.Int(int(secondNumberCountryCode))
+	firstNumber.CountryCode = proto.Int32(secondNumberCountryCode)
 	// If all else was the same, then this is an NSN_MATCH.
 	// TODO(ttacon): remove when make gen-equals
 	if reflect.DeepEqual(firstNumber, secondNumber) {
diff --git a/phonenumberutil_test.go b/phonenumberutil_test.go
index af353c9..30e2272 100644
--- a/phonenumberutil_test.go
+++ b/phonenumberutil_test.go
@@ -5,7 +5,7 @@ import (
 	"regexp"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 )
 
 func TestParse(t *testing.T) {