diff --git a/go.mod b/go.mod
index c34827a31..608b29497 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/cloudflare/cf-terraforming
 go 1.17
 
 require (
-	github.com/cloudflare/cloudflare-go v0.37.0
+	github.com/cloudflare/cloudflare-go v0.38.0
 	github.com/dnaeon/go-vcr v1.2.0
 	github.com/google/uuid v1.3.0
 	github.com/hashicorp/go-version v1.4.0
diff --git a/go.sum b/go.sum
index f9e09573d..ff3f1d07c 100644
--- a/go.sum
+++ b/go.sum
@@ -53,6 +53,7 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
@@ -90,8 +91,8 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudflare/cloudflare-go v0.37.0 h1:8LUyAtev5PZ92Wzxzsm9jOQj0ZTz3BBc5F1ISfwgxvk=
-github.com/cloudflare/cloudflare-go v0.37.0/go.mod h1:EfqOgbgOTf9U+67Z5MR2t/MuVj5OjLlXs+dN6DBh6C8=
+github.com/cloudflare/cloudflare-go v0.38.0 h1:Qf/oVlDmQgb4RfCxqkR0hJoEUQKHvDE4A09MHWssa/w=
+github.com/cloudflare/cloudflare-go v0.38.0/go.mod h1:tWDVF03nA9VS9TvFRTrOeY78uSFQzS+n429EcBZszzg=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
@@ -416,7 +417,7 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
-github.com/urfave/cli/v2 v2.4.0/go.mod h1:NX9W0zmTvedE5oDoOMs2RTC8RvdK98NTYZE5LbaEYPg=
+github.com/urfave/cli/v2 v2.5.0/go.mod h1:oDzoM7pVwz6wHn5ogWgFUU1s4VJayeQS+aEZDqXIEJs=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack/v4 v4.3.12/go.mod h1:gborTTJjAo/GWTqqRjrLCn9pgNN+NXzzngzBKDPIqw4=
 github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
diff --git a/testdata/terraform/cloudflare_byo_ip_prefix.tf b/testdata/terraform/cloudflare_byo_ip_prefix.tf
index 3e78f56d0..7ca0306aa 100644
--- a/testdata/terraform/cloudflare_byo_ip_prefix.tf
+++ b/testdata/terraform/cloudflare_byo_ip_prefix.tf
@@ -1,4 +1,5 @@
 resource "cloudflare_byo_ip_prefix" "terraform_managed_resource" {
+  account_id    = "f037e56e89293a057740de681ac9abbe"
   advertisement = "on"
   description   = "Internal test prefix"
   prefix_id     = "9a7806061c88ada191ed06f989cc3dac"