diff --git a/pom.xml b/pom.xml
index 03336e8..93a75f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,7 +65,7 @@
               <dependency>
          <groupId>org.micro-manager.acqengj</groupId>
          <artifactId>AcqEngJ</artifactId>
-     <version>0.39.0</version>
+     <version>0.39.4</version>
       </dependency>
       <dependency>
          <groupId>org.micro-manager.ndviewer</groupId>