diff --git a/Makefile b/Makefile
index 81b25ed..327e873 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ REGISTRY=local
 NAMESPACE=twilio
 NAME=twilio
 BINARY=terraform-provider-${NAME}
-VERSION=0.18.17
+VERSION=0.18.18
 OS_ARCH=darwin_amd64
 
 default: build
diff --git a/README.md b/README.md
index 8dfb970..52848eb 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ terraform {
   required_providers {
     twilio = {
       source  = "twilio/twilio"
-      version = "0.18.17"
+      version = "0.18.18"
     }
   }
 }
diff --git a/go.mod b/go.mod
index f20affc..f564998 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.25.0
 	github.com/joho/godotenv v1.5.1
 	github.com/stretchr/testify v1.7.2
-	github.com/twilio/twilio-go v1.3.5
+	github.com/twilio/twilio-go v1.4.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 0d3bb0b..2d96352 100644
--- a/go.sum
+++ b/go.sum
@@ -182,8 +182,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
-github.com/twilio/twilio-go v1.3.5 h1:BDXdXBzh07pKnrZ1ClgL9pzO+a1q+KMl0FsyPYLfiDI=
-github.com/twilio/twilio-go v1.3.5/go.mod h1:tdnfQ5TjbewoAu4lf9bMsGvfuJ/QU9gYuv9yx3TSIXU=
+github.com/twilio/twilio-go v1.4.0 h1:vGLitBExbS+i7Fw00wyrqUtFEHvrwpEbU/x788bZyY4=
+github.com/twilio/twilio-go v1.4.0/go.mod h1:tdnfQ5TjbewoAu4lf9bMsGvfuJ/QU9gYuv9yx3TSIXU=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack v4.0.4+incompatible h1:dSLoQfGFAo3F6OoNhwUmLwVgaUXK79GlxNBwueZn0xI=
 github.com/vmihailenco/msgpack v4.0.4+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=