diff --git a/examples/pom.xml b/examples/pom.xml
index 563454c9..46a1621e 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -90,7 +90,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>3.9.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
diff --git a/sdk1/pom.xml b/sdk1/pom.xml
index 1d8d83e2..a40fbdad 100644
--- a/sdk1/pom.xml
+++ b/sdk1/pom.xml
@@ -276,7 +276,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>3.9.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>