diff --git a/.changelog/4855.txt b/.changelog/4855.txt
new file mode 100644
index 0000000000..1baaf9ff22
--- /dev/null
+++ b/.changelog/4855.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+resource/cloudflare_zero_trust_device_posture_rule: Fix 'last_seen' not being written to the state file
+```
\ No newline at end of file
diff --git a/internal/sdkv2provider/resource_cloudflare_device_posture_rule.go b/internal/sdkv2provider/resource_cloudflare_device_posture_rule.go
index 26a9fb42af..f9c2c0aff7 100644
--- a/internal/sdkv2provider/resource_cloudflare_device_posture_rule.go
+++ b/internal/sdkv2provider/resource_cloudflare_device_posture_rule.go
@@ -383,6 +383,8 @@ func convertInputToSchema(input cloudflare.DevicePostureRuleInput) []map[string]
 		"overall":            input.Overall,
 		"sensor_config":      input.SensorConfig,
 		"version_operator":   input.VersionOperator,
+		"state":              input.State,
+		"last_seen":          input.LastSeen,
 		"count_operator":     input.CountOperator,
 		"issue_count":        input.IssueCount,
 		"certificate_id":     input.CertificateID,