diff --git a/changelog/@unreleased/pr-1904.v2.yml b/changelog/@unreleased/pr-1904.v2.yml
new file mode 100644
index 000000000..3ffe867b2
--- /dev/null
+++ b/changelog/@unreleased/pr-1904.v2.yml
@@ -0,0 +1,5 @@
+type: improvement
+improvement:
+  description: allow trailing comma in annotation arrays
+  links:
+  - https://github.com/palantir/gradle-baseline/pull/1904
diff --git a/gradle-baseline-java-config/resources/checkstyle/checkstyle.xml b/gradle-baseline-java-config/resources/checkstyle/checkstyle.xml
index 72eb1b14a..6803583ad 100644
--- a/gradle-baseline-java-config/resources/checkstyle/checkstyle.xml
+++ b/gradle-baseline-java-config/resources/checkstyle/checkstyle.xml
@@ -69,7 +69,9 @@
             <property name="tokens" value="VARIABLE_DEF"/>
             <property name="allowSamelineMultipleAnnotations" value="true"/>
         </module>
-        <module name="AnnotationUseStyle"/> <!-- Java Style Guide: Annotations -->
+        <module name="AnnotationUseStyle"> <!-- Java Style Guide: Annotations -->
+            <property name="trailingArrayComma" value="ignore"/>
+        </module>
         <module name="ArrayTypeStyle"/> <!-- Java Style Guide: No C-style array declarations -->
         <module name="AvoidEscapedUnicodeCharacters"> <!-- Java Style Guide: Non-ASCII characters -->
             <property name="allowEscapesForControlCharacters" value="true"/>