diff --git a/build.xml b/build.xml
index 42957227..b24b89de 100644
--- a/build.xml
+++ b/build.xml
@@ -7,8 +7,8 @@
 	<property name="dir.res" value="${basedir}/res" />
 	<property name="dir.out" value="${basedir}/bin" />
 
-	<property name="lang.src" value="1.7" />
-	<property name="lang.target" value="1.7" />
+	<property name="lang.src" value="1.8" />
+	<property name="lang.target" value="1.8" />
 	<property name="version" value="0.5.0-SNAPSHOT" />
 
 	<property name="main" value="yugecin.opsudance.core.Entrypoint" />
diff --git a/pom.xml b/pom.xml
index 7b134de6..9a19f00a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,8 +68,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.2</version>
 				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
+					<source>1.8</source>
+					<target>1.8</target>
 					<encoding>UTF-8</encoding>
 				</configuration>
 			</plugin>