diff --git a/davmail-setup.nsi b/davmail-setup.nsi
index ca747461..2329f713 100644
--- a/davmail-setup.nsi
+++ b/davmail-setup.nsi
@@ -85,7 +85,7 @@ Section "MainSection" SEC01
   File "dist\davmailconsole.exe"
   File "dist\davmailservice.exe"
   SetOutPath "$INSTDIR\lib"
-  File "dist\lib\activation-1.0.2.jar"
+  File "dist\lib\activation-1.1.jar"
   File "dist\lib\commons-codec-1.3.jar"
   File "dist\lib\commons-collections-3.1.jar"
   File "dist\lib\commons-httpclient-3.1.jar"
@@ -94,7 +94,7 @@ Section "MainSection" SEC01
   File "dist\lib\jackrabbit-webdav-1.4.jar"
   File "dist\lib\jdom-1.0.jar"
   File "dist\lib\log4j-1.2.15.jar"
-  File "dist\lib\mail-1.3.2.jar"
+  File "dist\lib\mail-1.4.1.jar"
   File "dist\lib\slf4j-api-1.3.1.jar"
   File "dist\lib\slf4j-log4j12-1.3.1.jar"
   File "dist\lib\stax-api-1.0.1.jar"
@@ -155,7 +155,7 @@ no_quest:
   Delete "$INSTDIR\${PRODUCT_NAME}.url"
   Delete "$INSTDIR\uninst.exe"
   
-  Delete "$INSTDIR\lib\activation-1.0.2.jar"
+  Delete "$INSTDIR\lib\activation-1.1.jar"
   Delete "$INSTDIR\lib\commons-codec-1.3.jar"
   Delete "$INSTDIR\lib\commons-collections-3.1.jar"
   Delete "$INSTDIR\lib\commons-httpclient-3.1.jar"
@@ -164,7 +164,7 @@ no_quest:
   Delete "$INSTDIR\lib\jackrabbit-webdav-1.4.jar"
   Delete "$INSTDIR\lib\jdom-1.0.jar"
   Delete "$INSTDIR\lib\log4j-1.2.15.jar"
-  Delete "$INSTDIR\lib\mail-1.3.2.jar"
+  Delete "$INSTDIR\lib\mail-1.4.1.jar"
   Delete "$INSTDIR\lib\slf4j-api-1.3.1.jar"
   Delete "$INSTDIR\lib\slf4j-log4j12-1.3.1.jar"
   Delete "$INSTDIR\lib\stax-api-1.0.1.jar"
diff --git a/lib/activation-1.0.2.jar b/lib/activation-1.0.2.jar
deleted file mode 100644
index 8cbef16f..00000000
Binary files a/lib/activation-1.0.2.jar and /dev/null differ
diff --git a/lib/activation-1.1.jar b/lib/activation-1.1.jar
new file mode 100644
index 00000000..53f82a1c
Binary files /dev/null and b/lib/activation-1.1.jar differ
diff --git a/lib/mail-1.3.2.jar b/lib/mail-1.3.2.jar
deleted file mode 100644
index 9d08d0ab..00000000
Binary files a/lib/mail-1.3.2.jar and /dev/null differ
diff --git a/lib/mail-1.4.1.jar b/lib/mail-1.4.1.jar
new file mode 100644
index 00000000..1d15e793
Binary files /dev/null and b/lib/mail-1.4.1.jar differ
diff --git a/pom.xml b/pom.xml
index 84bf1a85..4be2f2e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -196,7 +196,7 @@
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.4</version>
+            <version>1.4.1</version>
         </dependency>
         <dependency>
             <groupId>javax.activation</groupId>