diff --git a/s3auth-relay/src/it/non-daemon/pom.xml b/s3auth-relay/src/it/non-daemon/pom.xml
index 0f79b013..cab86336 100644
--- a/s3auth-relay/src/it/non-daemon/pom.xml
+++ b/s3auth-relay/src/it/non-daemon/pom.xml
@@ -67,7 +67,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>1.6.0</version>
+        <version>3.1.1</version>
         <executions>
           <execution>
             <id>execute-relay-JAR</id>
diff --git a/s3auth-relay/src/main/production/pom.xml b/s3auth-relay/src/main/production/pom.xml
index c6488bc0..0ebd72b4 100644
--- a/s3auth-relay/src/main/production/pom.xml
+++ b/s3auth-relay/src/main/production/pom.xml
@@ -70,7 +70,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>1.6.0</version>
+        <version>3.1.1</version>
         <executions>
           <execution>
             <id>execute</id>
diff --git a/s3auth-rest/pom.xml b/s3auth-rest/pom.xml
index 7e26d050..53c84736 100644
--- a/s3auth-rest/pom.xml
+++ b/s3auth-rest/pom.xml
@@ -256,7 +256,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>1.6.0</version>
+            <version>3.1.1</version>
             <executions>
               <execution>
                 <id>start-takes-server</id>