diff --git a/davmail-setup.nsi b/davmail-setup.nsi
index fd52ed91..f662a225 100644
--- a/davmail-setup.nsi
+++ b/davmail-setup.nsi
@@ -105,7 +105,7 @@ Section "MainSection" SEC01
   File "dist\lib\stax2-api-3.1.1.jar"
   File "dist\lib\swt-3.7-win32-x86.jar"
   File "dist\lib\swt-3.7-win32-x86_64.jar"
-  File "dist\lib\winrun4j-0.4.4.jar"
+  File "dist\lib\winrun4j-0.4.5.jar"
   File "dist\lib\woodstox-core-asl-4.1.2.jar"
   File "dist\lib\xercesImpl-2.8.1.jar"
 
@@ -180,7 +180,7 @@ no_quest:
   Delete "$INSTDIR\lib\stax2-api-3.1.1.jar"
   Delete "$INSTDIR\lib\swt-3.7-win32-x86.jar"
   Delete "$INSTDIR\lib\swt-3.7-win32-x86_64.jar"  
-  Delete "$INSTDIR\lib\winrun4j-0.4.4.jar"
+  Delete "$INSTDIR\lib\winrun4j-0.4.5.jar"
   Delete "$INSTDIR\lib\woodstox-core-asl-4.1.2.jar"
   Delete "$INSTDIR\lib\xercesImpl-2.8.1.jar"
 
diff --git a/lib/winrun4j-0.4.4.jar b/lib/winrun4j-0.4.5.jar
similarity index 89%
rename from lib/winrun4j-0.4.4.jar
rename to lib/winrun4j-0.4.5.jar
index 6b922323..2f3006ec 100644
Binary files a/lib/winrun4j-0.4.4.jar and b/lib/winrun4j-0.4.5.jar differ
diff --git a/pom.xml b/pom.xml
index c5cca29b..b4a9c5ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -281,7 +281,7 @@
         <dependency>
             <groupId>org.boris.winrun4j</groupId>
             <artifactId>winrun4j</artifactId>
-            <version>0.4.4</version>
+            <version>0.4.5</version>
         </dependency>
     </dependencies>
     <pluginRepositories>
diff --git a/releaseguide.txt b/releaseguide.txt
index ba53ab9d..39f1926b 100644
--- a/releaseguide.txt
+++ b/releaseguide.txt
@@ -10,7 +10,7 @@ mvn install:install-file -DgroupId=org.eclipse -DartifactId=swt -Dversion=3.7.0
 mvn install:install-file -DgroupId=org.samba.jcifs -DartifactId=jcifs -Dversion=1.3.14 -Dpackaging=jar -Dfile=lib/jcifs-1.3.14.jar
 mvn install:install-file -DgroupId=javax.mail -DartifactId=mail -Dversion=1.4.3 -Dpackaging=jar -Dfile=lib/mail-1.4.3.jar
 mvn install:install-file -DgroupId=net.freeutils.charset -DartifactId=jcharset -Dversion=1.3 -Dpackaging=jar -Dfile=lib/jcharset-1.3.jar
-mvn install:install-file -DgroupId=org.boris.winrun4j -DartifactId=winrun4j -Dversion=0.4.4 -Dpackaging=jar -Dfile=lib/winrun4j-0.4.4.jar
+mvn install:install-file -DgroupId=org.boris.winrun4j -DartifactId=winrun4j -Dversion=0.4.5 -Dpackaging=jar -Dfile=lib/winrun4j-0.4.5.jar
 - generate site: mvn site
 - upload site: ant upload-site
 - upload releasenotes.txt to sourceforge