diff --git a/2019-08/spring-01/spring-01-exercise/pom.xml b/2019-08/spring-01/spring-01-exercise/pom.xml
index dba18acf..fd87037d 100644
--- a/2019-08/spring-01/spring-01-exercise/pom.xml
+++ b/2019-08/spring-01/spring-01-exercise/pom.xml
@@ -11,6 +11,7 @@
     <properties>
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <dependencies>
diff --git a/2019-08/spring-01/spring-01-solution/pom.xml b/2019-08/spring-01/spring-01-solution/pom.xml
index 8d8e95c0..d9624a4a 100644
--- a/2019-08/spring-01/spring-01-solution/pom.xml
+++ b/2019-08/spring-01/spring-01-solution/pom.xml
@@ -11,6 +11,7 @@
     <properties>
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <dependencies>