diff --git a/pom.xml b/pom.xml
index 1f50d14..09187ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -665,6 +665,34 @@
               </execution>
             </executions>
           </plugin>
+          <!-- calculate checksums of source release for Apache dist area -->
+          <plugin>
+            <groupId>net.nicoulaj.maven.plugins</groupId>
+            <artifactId>checksum-maven-plugin</artifactId>
+            <version>1.11</version>
+            <executions>
+              <execution>
+                <id>source-release-checksum</id>
+                <goals>
+                  <goal>artifacts</goal>
+                </goals>
+                <!-- execute prior to maven-gpg-plugin:sign due to https://github.com/nicoulaj/checksum-maven-plugin/issues/112 -->
+                <phase>post-integration-test</phase>
+                <configuration>
+                  <algorithms>
+                    <algorithm>SHA-512</algorithm>
+                  </algorithms>
+                  <!-- https://maven.apache.org/apache-resource-bundles/#source-release-assembly-descriptor -->
+                  <includeClassifiers>source-release</includeClassifiers>
+                  <excludeMainArtifact>true</excludeMainArtifact>
+                  <csvSummary>false</csvSummary>
+                  <!-- attach SHA-512 checksum as well to upload to Maven Staging Repo,
+                       as this eases uploading from stage to dist and doesn't do harm in Maven Central -->
+                  <attachChecksums>true</attachChecksums>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-gpg-plugin</artifactId>