diff --git a/MSFileToolbox/MSFileToolbox.iml b/MSFileToolbox/MSFileToolbox.iml
index ddf88b0..d9f433d 100644
--- a/MSFileToolbox/MSFileToolbox.iml
+++ b/MSFileToolbox/MSFileToolbox.iml
@@ -20,7 +20,7 @@
     <orderEntry type="library" name="Maven: org.jvnet.com4j:com4j:2.1" level="project" />
     <orderEntry type="library" name="Maven: com.google.guava:guava:21.0" level="project" />
     <orderEntry type="library" name="Maven: org.apache.commons:commons-pool2:2.4.2" level="project" />
-    <orderEntry type="library" name="Maven: com.github.chhh:javolution-core-java-msftbx:6.11.3" level="project" />
+    <orderEntry type="library" name="Maven: com.github.chhh:javolution-core-java-msftbx:6.11.4" level="project" />
     <orderEntry type="library" name="Maven: org.biojava:biojava-ontology:5.0.0-alpha6" level="project" />
     <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.logging.log4j:log4j-slf4j-impl:2.6.1" level="project" />
     <orderEntry type="library" scope="RUNTIME" name="Maven: org.apache.logging.log4j:log4j-api:2.6.1" level="project" />
diff --git a/MSFileToolbox/pom.xml b/MSFileToolbox/pom.xml
index ab92830..c65a1a8 100644
--- a/MSFileToolbox/pom.xml
+++ b/MSFileToolbox/pom.xml
@@ -100,7 +100,7 @@
         <dependency>
             <groupId>com.github.chhh</groupId>
             <artifactId>javolution-core-java-msftbx</artifactId>
-            <version>6.11.3</version>
+            <version>6.11.4</version>
         </dependency>
         <dependency>
             <groupId>org.biojava</groupId>