diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b8f7e84..625bd805 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+3.9.0
+------------------
+
+* Added `SECUREPAY` to the `Payment.Processor` enum.
+
 3.8.0 (2025-06-09)
 ------------------
 
diff --git a/src/main/java/com/maxmind/minfraud/request/Payment.java b/src/main/java/com/maxmind/minfraud/request/Payment.java
index b3d7a047..40d0937b 100644
--- a/src/main/java/com/maxmind/minfraud/request/Payment.java
+++ b/src/main/java/com/maxmind/minfraud/request/Payment.java
@@ -225,6 +225,7 @@ public enum Processor {
         REWARDSPAY,
         SAFECHARGE,
         SAGEPAY,
+        SECUREPAY,
         SECURETRADING,
         SHOPIFY_PAYMENTS,
         SIMPLIFY_COMMERCE,