diff --git a/cmd/zz_gen_cmd_dnshelp.go b/cmd/zz_gen_cmd_dnshelp.go
index 3e3c382f..9a80def6 100644
--- a/cmd/zz_gen_cmd_dnshelp.go
+++ b/cmd/zz_gen_cmd_dnshelp.go
@@ -143,6 +143,7 @@ func displayDNSHelp(name string) error {
 		ew.writeln(`Credentials:`)
 		ew.writeln(`	- "ALICLOUD_ACCESS_KEY":	Access key ID`)
 		ew.writeln(`	- "ALICLOUD_SECRET_KEY":	Access Key secret`)
+		ew.writeln(`	- "ALICLOUD_SECURITY_TOKEN":	STS Security Token (optional)`)
 		ew.writeln()
 
 		ew.writeln(`Additional Configuration:`)
diff --git a/docs/content/dns/zz_gen_alidns.md b/docs/content/dns/zz_gen_alidns.md
index 15f3628b..daf8512c 100644
--- a/docs/content/dns/zz_gen_alidns.md
+++ b/docs/content/dns/zz_gen_alidns.md
@@ -35,6 +35,7 @@ lego --email myemail@example.com --dns alidns --domains my.example.org run
 |-----------------------|-------------|
 | `ALICLOUD_ACCESS_KEY` | Access key ID |
 | `ALICLOUD_SECRET_KEY` | Access Key secret |
+| `ALICLOUD_SECURITY_TOKEN` | STS Security Token (optional) |
 
 The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
 More information [here](/lego/dns/#configuration-and-credentials).
diff --git a/go.mod b/go.mod
index 6275910d..2fb07fed 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/OpenDNS/vegadns2client v0.0.0-20180418235048-a3fa4a771d87
 	github.com/akamai/AkamaiOPEN-edgegrid-golang v1.1.1
-	github.com/aliyun/alibaba-cloud-sdk-go v1.61.976
+	github.com/aliyun/alibaba-cloud-sdk-go v1.61.1183
 	github.com/aws/aws-sdk-go v1.39.0
 	github.com/cenkalti/backoff/v4 v4.1.1
 	github.com/cloudflare/cloudflare-go v0.18.0
diff --git a/go.sum b/go.sum
index d2828ad1..fc940bf0 100644
--- a/go.sum
+++ b/go.sum
@@ -61,8 +61,8 @@ github.com/akamai/AkamaiOPEN-edgegrid-golang v1.1.1 h1:bLzehmpyCwQiqCE1Qe9Ny6fbF
 github.com/akamai/AkamaiOPEN-edgegrid-golang v1.1.1/go.mod h1:kX6YddBkXqqywAe8c9LyvgTCyFuZCTMF4cRPQhc3Fy8=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/aliyun/alibaba-cloud-sdk-go v1.61.976 h1:I9fs4eZbZqimF3TstEqEwK66R2b7QKd6D6OCxibSD60=
-github.com/aliyun/alibaba-cloud-sdk-go v1.61.976/go.mod h1:pUKYbK5JQ+1Dfxk80P0qxGqe5dkxDoabbZS7zOcouyA=
+github.com/aliyun/alibaba-cloud-sdk-go v1.61.1183 h1:dkj8/dxOQ4L1XpwCzRLqukvUBbxuNdz3FeyvHFnRjmo=
+github.com/aliyun/alibaba-cloud-sdk-go v1.61.1183/go.mod h1:pUKYbK5JQ+1Dfxk80P0qxGqe5dkxDoabbZS7zOcouyA=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
diff --git a/providers/dns/alidns/alidns.go b/providers/dns/alidns/alidns.go
index d48a076c..8754edf1 100644
--- a/providers/dns/alidns/alidns.go
+++ b/providers/dns/alidns/alidns.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth"
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
 	"github.com/aliyun/alibaba-cloud-sdk-go/services/alidns"
@@ -22,9 +23,10 @@ const defaultRegionID = "cn-hangzhou"
 const (
 	envNamespace = "ALICLOUD_"
 
-	EnvAccessKey = envNamespace + "ACCESS_KEY"
-	EnvSecretKey = envNamespace + "SECRET_KEY"
-	EnvRegionID  = envNamespace + "REGION_ID"
+	EnvAccessKey     = envNamespace + "ACCESS_KEY"
+	EnvSecretKey     = envNamespace + "SECRET_KEY"
+	EnvSecurityToken = envNamespace + "SECURITY_TOKEN"
+	EnvRegionID      = envNamespace + "REGION_ID"
 
 	EnvTTL                = envNamespace + "TTL"
 	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
@@ -36,6 +38,7 @@ const (
 type Config struct {
 	APIKey             string
 	SecretKey          string
+	SecurityToken      string
 	RegionID           string
 	PropagationTimeout time.Duration
 	PollingInterval    time.Duration
@@ -61,7 +64,7 @@ type DNSProvider struct {
 
 // NewDNSProvider returns a DNSProvider instance configured for Alibaba Cloud DNS.
 // Credentials must be passed in the environment variables:
-// ALICLOUD_ACCESS_KEY and ALICLOUD_SECRET_KEY.
+// ALICLOUD_ACCESS_KEY, ALICLOUD_SECRET_KEY, and optionally ALICLOUD_SECURITY_TOKEN.
 func NewDNSProvider() (*DNSProvider, error) {
 	values, err := env.Get(EnvAccessKey, EnvSecretKey)
 	if err != nil {
@@ -72,6 +75,7 @@ func NewDNSProvider() (*DNSProvider, error) {
 	config.APIKey = values[EnvAccessKey]
 	config.SecretKey = values[EnvSecretKey]
 	config.RegionID = env.GetOrFile(EnvRegionID)
+	config.SecurityToken = env.GetOrFile(EnvSecurityToken)
 
 	return NewDNSProviderConfig(config)
 }
@@ -91,7 +95,13 @@ func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
 	}
 
 	conf := sdk.NewConfig().WithTimeout(config.HTTPTimeout)
-	credential := credentials.NewAccessKeyCredential(config.APIKey, config.SecretKey)
+
+	var credential auth.Credential
+	if config.SecurityToken == "" {
+		credential = credentials.NewAccessKeyCredential(config.APIKey, config.SecretKey)
+	} else {
+		credential = credentials.NewStsTokenCredential(config.APIKey, config.SecretKey, config.SecurityToken)
+	}
 
 	client, err := alidns.NewClientWithOptions(config.RegionID, conf, credential)
 	if err != nil {
diff --git a/providers/dns/alidns/alidns.toml b/providers/dns/alidns/alidns.toml
index ca4b0185..6988dd44 100644
--- a/providers/dns/alidns/alidns.toml
+++ b/providers/dns/alidns/alidns.toml
@@ -14,6 +14,7 @@ lego --email myemail@example.com --dns alidns --domains my.example.org run
   [Configuration.Credentials]
     ALICLOUD_ACCESS_KEY = "Access key ID"
     ALICLOUD_SECRET_KEY = "Access Key secret"
+    ALICLOUD_SECURITY_TOKEN = "STS Security Token (optional)"
   [Configuration.Additional]
     ALICLOUD_POLLING_INTERVAL = "Time between DNS propagation check"
     ALICLOUD_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation"