diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8500cb8df..f011aa8c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # CHANGELOG
 
+## v11.0.0
+
+### Breaking Changes
+
+- To handle differences between ADFS and AAD the following fields have had their types changed from `string` to `json.Number`
+  - ExpiresIn
+  - ExpiresOn
+  - NotBefore
+
 ## v10.15.5
 
 ### Bug Fixes
diff --git a/autorest/adal/token.go b/autorest/adal/token.go
index 32aea8389..c32f19320 100644
--- a/autorest/adal/token.go
+++ b/autorest/adal/token.go
@@ -29,7 +29,6 @@ import (
 	"net"
 	"net/http"
 	"net/url"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -101,14 +100,22 @@ type Token struct {
 	AccessToken  string `json:"access_token"`
 	RefreshToken string `json:"refresh_token"`
 
-	ExpiresIn string `json:"expires_in"`
-	ExpiresOn string `json:"expires_on"`
-	NotBefore string `json:"not_before"`
+	ExpiresIn json.Number `json:"expires_in"`
+	ExpiresOn json.Number `json:"expires_on"`
+	NotBefore json.Number `json:"not_before"`
 
 	Resource string `json:"resource"`
 	Type     string `json:"token_type"`
 }
 
+func newToken() Token {
+	return Token{
+		ExpiresIn: "0",
+		ExpiresOn: "0",
+		NotBefore: "0",
+	}
+}
+
 // IsZero returns true if the token object is zero-initialized.
 func (t Token) IsZero() bool {
 	return t == Token{}
@@ -116,12 +123,12 @@ func (t Token) IsZero() bool {
 
 // Expires returns the time.Time when the Token expires.
 func (t Token) Expires() time.Time {
-	s, err := strconv.Atoi(t.ExpiresOn)
+	s, err := t.ExpiresOn.Float64()
 	if err != nil {
 		s = -3600
 	}
 
-	expiration := date.NewUnixTimeFromSeconds(float64(s))
+	expiration := date.NewUnixTimeFromSeconds(s)
 
 	return time.Time(expiration).UTC()
 }
@@ -414,6 +421,7 @@ func NewServicePrincipalTokenWithSecret(oauthConfig OAuthConfig, id string, reso
 	}
 	spt := &ServicePrincipalToken{
 		inner: servicePrincipalToken{
+			Token:         newToken(),
 			OauthConfig:   oauthConfig,
 			Secret:        secret,
 			ClientID:      id,
@@ -653,6 +661,7 @@ func newServicePrincipalTokenFromMSI(msiEndpoint, resource string, userAssignedI
 
 	spt := &ServicePrincipalToken{
 		inner: servicePrincipalToken{
+			Token: newToken(),
 			OauthConfig: OAuthConfig{
 				TokenEndpoint: *msiEndpointURL,
 			},
diff --git a/autorest/adal/token_test.go b/autorest/adal/token_test.go
index 5a2ab8c02..8268c6953 100644
--- a/autorest/adal/token_test.go
+++ b/autorest/adal/token_test.go
@@ -495,8 +495,8 @@ func TestServicePrincipalTokenRefreshUnmarshals(t *testing.T) {
 		t.Fatalf("adal: ServicePrincipalToken#Refresh returned an unexpected error (%v)", err)
 	} else if spt.inner.Token.AccessToken != "accessToken" ||
 		spt.inner.Token.ExpiresIn != "3600" ||
-		spt.inner.Token.ExpiresOn != expiresOn ||
-		spt.inner.Token.NotBefore != expiresOn ||
+		spt.inner.Token.ExpiresOn != json.Number(expiresOn) ||
+		spt.inner.Token.NotBefore != json.Number(expiresOn) ||
 		spt.inner.Token.Resource != "resource" ||
 		spt.inner.Token.Type != "Bearer" {
 		t.Fatalf("adal: ServicePrincipalToken#Refresh failed correctly unmarshal the JSON -- expected %v, received %v",
@@ -684,13 +684,13 @@ func TestNewServicePrincipalTokenFromManualTokenSecret(t *testing.T) {
 		RedirectURI:       "redirect",
 	}
 
-	spt, err := NewServicePrincipalTokenFromManualTokenSecret(TestOAuthConfig, "id", "resource", *token, secret, nil)
+	spt, err := NewServicePrincipalTokenFromManualTokenSecret(TestOAuthConfig, "id", "resource", token, secret, nil)
 	if err != nil {
 		t.Fatalf("Failed creating new SPT: %s", err)
 	}
 
-	if !reflect.DeepEqual(*token, spt.inner.Token) {
-		t.Fatalf("Tokens do not match: %s, %s", *token, spt.inner.Token)
+	if !reflect.DeepEqual(token, spt.inner.Token) {
+		t.Fatalf("Tokens do not match: %s, %s", token, spt.inner.Token)
 	}
 
 	if !reflect.DeepEqual(secret, spt.inner.Secret) {
@@ -822,7 +822,7 @@ func TestMarshalInnerToken(t *testing.T) {
 		t.Fatalf("tokens don't match: %s, %s", tokenJSON, testTokenJSON)
 	}
 
-	var t1 *Token
+	var t1 Token
 	err = json.Unmarshal(tokenJSON, &t1)
 	if err != nil {
 		t.Fatalf("failed to unmarshal token: %+v", err)
@@ -833,14 +833,6 @@ func TestMarshalInnerToken(t *testing.T) {
 	}
 }
 
-func newToken() *Token {
-	return &Token{
-		AccessToken: "ASECRETVALUE",
-		Resource:    "https://azure.microsoft.com/",
-		Type:        "Bearer",
-	}
-}
-
 func newTokenJSON(expiresOn string, resource string) string {
 	return fmt.Sprintf(`{
 		"access_token" : "accessToken",
@@ -855,11 +847,13 @@ func newTokenJSON(expiresOn string, resource string) string {
 }
 
 func newTokenExpiresIn(expireIn time.Duration) *Token {
-	return setTokenToExpireIn(newToken(), expireIn)
+	t := newToken()
+	return setTokenToExpireIn(&t, expireIn)
 }
 
 func newTokenExpiresAt(expireAt time.Time) *Token {
-	return setTokenToExpireAt(newToken(), expireAt)
+	t := newToken()
+	return setTokenToExpireAt(&t, expireAt)
 }
 
 func expireToken(t *Token) *Token {
@@ -868,7 +862,7 @@ func expireToken(t *Token) *Token {
 
 func setTokenToExpireAt(t *Token, expireAt time.Time) *Token {
 	t.ExpiresIn = "3600"
-	t.ExpiresOn = strconv.Itoa(int(expireAt.Sub(date.UnixEpoch()).Seconds()))
+	t.ExpiresOn = json.Number(strconv.Itoa(int(expireAt.Sub(date.UnixEpoch()).Seconds())))
 	t.NotBefore = t.ExpiresOn
 	return t
 }
@@ -885,7 +879,7 @@ func newServicePrincipalToken(callbacks ...TokenRefreshCallback) *ServicePrincip
 func newServicePrincipalTokenManual() *ServicePrincipalToken {
 	token := newToken()
 	token.RefreshToken = "refreshtoken"
-	spt, _ := NewServicePrincipalTokenFromManualToken(TestOAuthConfig, "id", "resource", *token)
+	spt, _ := NewServicePrincipalTokenFromManualToken(TestOAuthConfig, "id", "resource", token)
 	return spt
 }
 
diff --git a/autorest/azure/cli/token.go b/autorest/azure/cli/token.go
index 83b81c34b..ec3704823 100644
--- a/autorest/azure/cli/token.go
+++ b/autorest/azure/cli/token.go
@@ -54,7 +54,7 @@ func (t Token) ToADALToken() (converted adal.Token, err error) {
 		AccessToken:  t.AccessToken,
 		Type:         t.TokenType,
 		ExpiresIn:    "3600",
-		ExpiresOn:    strconv.Itoa(int(difference.Seconds())),
+		ExpiresOn:    json.Number(strconv.Itoa(int(difference.Seconds()))),
 		RefreshToken: t.RefreshToken,
 		Resource:     t.Resource,
 	}
diff --git a/version/version.go b/version/version.go
index 94de7c51e..180bbbbf2 100644
--- a/version/version.go
+++ b/version/version.go
@@ -20,7 +20,7 @@ import (
 )
 
 // Number contains the semantic version of this SDK.
-const Number = "v10.15.5"
+const Number = "v11.0.0"
 
 var (
 	userAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",