[LOG4J2-2116] Update Scala from 2.12.3 to 2.12.4.
diff --git a/log4j-api-scala_2.12/pom.xml b/log4j-api-scala_2.12/pom.xml
index 8eb89bd..1339f6f 100644
--- a/log4j-api-scala_2.12/pom.xml
+++ b/log4j-api-scala_2.12/pom.xml
@@ -30,7 +30,7 @@
   <properties>
     <log4jParentDir>${basedir}/..</log4jParentDir>
     <projectDir>/scala_2.12</projectDir>
-    <scala.version>2.12.3</scala.version>
+    <scala.version>2.12.4</scala.version>
     <scala.maven.plugin.version>3.3.1</scala.maven.plugin.version>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index f391355..fed7c52 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -40,6 +40,9 @@
       <action issue="LOG4J2-2115" dev="ggregory" type="update">
         Update Log4j dependency from 2.8.1 to 2.9.1.
       </action>
+      <action issue="LOG4J2-2116" dev="ggregory" type="update">
+        Update Scala from 2.12.3 to 2.12.4.
+      </action>
     </release>
   </body>
 </document>