Replace FindBugs with SpotBugs.
diff --git a/pom.xml b/pom.xml
index d9ffced..2fab290 100644
--- a/pom.xml
+++ b/pom.xml
@@ -849,9 +849,8 @@
         </configuration>
       </plugin>
       <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>findbugs-maven-plugin</artifactId>
-        <version>3.0.5</version>
+        <groupId>com.github.spotbugs</groupId>
+        <artifactId>spotbugs-maven-plugin</artifactId>
         <configuration>
           <threshold>Normal</threshold>
           <effort>Default</effort>