diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6c7a2b4..b22417e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ### Deprecated
 
+- Deprecate `DeclarationBlock::createFontShorthand()` (#580)
 - Deprecate `DeclarationBlock::createDimensionsShorthand()` (#579)
 - Deprecate `DeclarationBlock::createListStyleShorthand()` (#577)
 - Deprecate the `DeclarationBlock::createBackgroundShorthand()` (#576)
diff --git a/src/RuleSet/DeclarationBlock.php b/src/RuleSet/DeclarationBlock.php
index dbec44c1..50796df8 100644
--- a/src/RuleSet/DeclarationBlock.php
+++ b/src/RuleSet/DeclarationBlock.php
@@ -717,6 +717,8 @@ public function createDimensionsShorthand()
      * At least `font-size` AND `font-family` must be present in order to create a shorthand declaration.
      *
      * @return void
+     *
+     * @deprecated This will be removed without substitution in version 10.0.
      */
     public function createFontShorthand()
     {