diff --git a/CHANGELOG.md b/CHANGELOG.md
index 169e6e2..29aafee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# Changelog for version x
+
+### New features & improvements
+
+- Changed `<cbc:MultiplierFactorNumeric />` type from `int` to `float`.
+
 # Changelog for version 1.17.0
 
 ### New features & improvements
diff --git a/src/AllowanceCharge.php b/src/AllowanceCharge.php
index 74931ae..7429355 100644
--- a/src/AllowanceCharge.php
+++ b/src/AllowanceCharge.php
@@ -71,18 +71,18 @@ public function setAllowanceChargeReason(?string $allowanceChargeReason): Allowa
     }
 
     /**
-     * @return int
+     * @return float
      */
-    public function getMultiplierFactorNumeric(): ?int
+    public function getMultiplierFactorNumeric(): ?float
     {
         return $this->multiplierFactorNumeric;
     }
 
     /**
-     * @param int $multiplierFactorNumeric
+     * @param float $multiplierFactorNumeric
      * @return AllowanceCharge
      */
-    public function setMultiplierFactorNumeric(?int $multiplierFactorNumeric): AllowanceCharge
+    public function setMultiplierFactorNumeric(?float $multiplierFactorNumeric): AllowanceCharge
     {
         $this->multiplierFactorNumeric = $multiplierFactorNumeric;
         return $this;