diff --git a/CHANGELOG.md b/CHANGELOG.md
index a92dfcd2..3864cbec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ CHANGELOG
   about the respective phone numbers. Please see [our developer
   site](https://dev.maxmind.com/minfraud/api-documentation/responses/) for
   more information.
+* Added `PAYCONEX` to the `Payment.Processor` enum.
 
 3.4.0 (2024-04-16)
 ------------------
diff --git a/src/main/java/com/maxmind/minfraud/request/Payment.java b/src/main/java/com/maxmind/minfraud/request/Payment.java
index 4800d724..5b45faa5 100644
--- a/src/main/java/com/maxmind/minfraud/request/Payment.java
+++ b/src/main/java/com/maxmind/minfraud/request/Payment.java
@@ -186,6 +186,7 @@ public enum Processor {
         ORANGEPAY,
         OTHER,
         PACNET_SERVICES,
+        PAYCONEX,
         PAYEEZY,
         PAYFAST,
         PAYGATE,