diff --git a/annotation/pom.xml b/annotation/pom.xml
index f4305310..330e31e8 100644
--- a/annotation/pom.xml
+++ b/annotation/pom.xml
@@ -12,15 +12,9 @@
         Add-on to urlrewritefilter to support annotations
     </description>
 
-    <mailingLists>
-        <mailingList>
-            <name>UrlRewrite users</name>
-            <post>urlrewrite@googlegroups.com</post>
-            <subscribe>urlrewrite+subscribe@googlegroups.com</subscribe>
-            <unsubscribe>urlrewrite+unsubscribe@googlegroups.com</unsubscribe>
-            <archive>https://groups.google.com/d/forum/urlrewrite</archive>
-        </mailingList>
-    </mailingLists>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 
     <licenses>
         <license>
diff --git a/container-test/test-with-testcontainers/pom.xml b/container-test/test-with-testcontainers/pom.xml
index c53a9b45..fd54656c 100644
--- a/container-test/test-with-testcontainers/pom.xml
+++ b/container-test/test-with-testcontainers/pom.xml
@@ -7,6 +7,7 @@
     <properties>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
     <version>1.0.0</version>
     <name>UrlRewriteFilter Container Tests</name>
diff --git a/pom.xml b/pom.xml
index 2fcfdc9c..f666562a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,7 @@
         <app.manual-version>5.0</app.manual-version>
         <app.year>2022</app.year>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <licenses>