diff --git a/davmail-setup.nsi b/davmail-setup.nsi
index 1aa27ad5..56430c31 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 "$INSTDIR\lib"
-  File "dist\lib\activation-1.1.jar"
+  File "dist\lib\activation-1.1.1.jar"
   File "dist\lib\commons-codec-1.3.jar"
   File "dist\lib\commons-collections-3.1.jar"
   File "dist\lib\commons-httpclient-3.1.jar"
@@ -96,7 +96,7 @@ Section "MainSection" SEC01
   File "dist\lib\jcifs-1.3.14.jar"
   File "dist\lib\jdom-1.0.jar"
   File "dist\lib\log4j-1.2.15.jar"
-  File "dist\lib\mail-1.4.1.jar"
+  File "dist\lib\mail-1.4.3.jar"
   File "dist\lib\slf4j-api-1.3.1.jar"
   File "dist\lib\slf4j-log4j12-1.3.1.jar"
   File "dist\lib\stax2-api-3.0.3.jar"
@@ -157,7 +157,7 @@ no_quest:
   Delete "$INSTDIR\${PRODUCT_NAME}.url"
   Delete "$INSTDIR\uninst.exe"
   
-  Delete "$INSTDIR\lib\activation-1.1.jar"
+  Delete "$INSTDIR\lib\activation-1.1.1.jar"
   Delete "$INSTDIR\lib\commons-codec-1.3.jar"
   Delete "$INSTDIR\lib\commons-collections-3.1.jar"
   Delete "$INSTDIR\lib\commons-httpclient-3.1.jar"
@@ -168,7 +168,7 @@ no_quest:
   Delete "$INSTDIR\lib\jcifs-1.3.14.jar"
   Delete "$INSTDIR\lib\jdom-1.0.jar"
   Delete "$INSTDIR\lib\log4j-1.2.15.jar"
-  Delete "$INSTDIR\lib\mail-1.4.1.jar"
+  Delete "$INSTDIR\lib\mail-1.4.3.jar"
   Delete "$INSTDIR\lib\slf4j-api-1.3.1.jar"
   Delete "$INSTDIR\lib\slf4j-log4j12-1.3.1.jar"
   Delete "$INSTDIR\lib\stax2-api-3.0.3.jar"
diff --git a/davmail.jsmooth b/davmail.jsmooth
index e00990f8..acaea7f5 100644
--- a/davmail.jsmooth
+++ b/davmail.jsmooth
@@ -8,7 +8,7 @@
 <JVMSearchPath>jview</JVMSearchPath>
 <arguments></arguments>
 <classPath>dist/davmail.jar</classPath>
-<classPath>dist/lib/activation-1.1.jar</classPath>
+<classPath>dist/lib/activation-1.1.1.jar</classPath>
 <classPath>dist/lib/commons-codec-1.3.jar</classPath>
 <classPath>dist/lib/commons-collections-3.1.jar</classPath>
 <classPath>dist/lib/commons-httpclient-3.1.jar</classPath>
@@ -19,7 +19,7 @@
 <classPath>dist/lib/jcifs-1.3.14.jar</classPath>
 <classPath>dist/lib/jdom-1.0.jar</classPath>
 <classPath>dist/lib/log4j-1.2.15.jar</classPath>
-<classPath>dist/lib/mail-1.4.1.jar</classPath>
+<classPath>dist/lib/mail-1.4.3.jar</classPath>
 <classPath>dist/lib/slf4j-api-1.3.1.jar</classPath>
 <classPath>dist/lib/slf4j-log4j12-1.3.1.jar</classPath>
 <classPath>dist/lib/stax2-api-3.0.3.jar</classPath>
diff --git a/davmailconsole.jsmooth b/davmailconsole.jsmooth
index 65e7013d..afce49c1 100644
--- a/davmailconsole.jsmooth
+++ b/davmailconsole.jsmooth
@@ -8,7 +8,7 @@
 <JVMSearchPath>jview</JVMSearchPath>
 <arguments></arguments>
 <classPath>dist/davmail.jar</classPath>
-<classPath>dist/lib/activation-1.1.jar</classPath>
+<classPath>dist/lib/activation-1.1.1.jar</classPath>
 <classPath>dist/lib/commons-codec-1.3.jar</classPath>
 <classPath>dist/lib/commons-collections-3.1.jar</classPath>
 <classPath>dist/lib/commons-httpclient-3.1.jar</classPath>
@@ -19,7 +19,7 @@
 <classPath>dist/lib/jcifs-1.3.14.jar</classPath>
 <classPath>dist/lib/jdom-1.0.jar</classPath>
 <classPath>dist/lib/log4j-1.2.15.jar</classPath>
-<classPath>dist/lib/mail-1.4.1.jar</classPath>
+<classPath>dist/lib/mail-1.4.3.jar</classPath>
 <classPath>dist/lib/slf4j-api-1.3.1.jar</classPath>
 <classPath>dist/lib/slf4j-log4j12-1.3.1.jar</classPath>
 <classPath>dist/lib/stax2-api-3.0.3.jar</classPath>
diff --git a/davmailservice.jsmooth b/davmailservice.jsmooth
index bd7af1eb..8011541d 100644
--- a/davmailservice.jsmooth
+++ b/davmailservice.jsmooth
@@ -8,7 +8,7 @@
 <JVMSearchPath>jview</JVMSearchPath>
 <arguments>davmail.properties</arguments>
 <classPath>dist/davmail.jar</classPath>
-<classPath>dist/lib/activation-1.1.jar</classPath>
+<classPath>dist/lib/activation-1.1.1.jar</classPath>
 <classPath>dist/lib/commons-codec-1.3.jar</classPath>
 <classPath>dist/lib/commons-collections-3.1.jar</classPath>
 <classPath>dist/lib/commons-httpclient-3.1.jar</classPath>
@@ -19,7 +19,7 @@
 <classPath>dist/lib/jcifs-1.3.14.jar</classPath>
 <classPath>dist/lib/jdom-1.0.jar</classPath>
 <classPath>dist/lib/log4j-1.2.15.jar</classPath>
-<classPath>dist/lib/mail-1.4.1.jar</classPath>
+<classPath>dist/lib/mail-1.4.3.jar</classPath>
 <classPath>dist/lib/slf4j-api-1.3.1.jar</classPath>
 <classPath>dist/lib/slf4j-log4j12-1.3.1.jar</classPath>
 <classPath>dist/lib/stax2-api-3.0.3.jar</classPath>
diff --git a/lib/activation-1.1.1.jar b/lib/activation-1.1.1.jar
new file mode 100644
index 00000000..29a59a9e
Binary files /dev/null and b/lib/activation-1.1.1.jar differ
diff --git a/lib/activation-1.1.jar b/lib/activation-1.1.jar
deleted file mode 100644
index 53f82a1c..00000000
Binary files a/lib/activation-1.1.jar and /dev/null differ
diff --git a/lib/mail-1.4.1.jar b/lib/mail-1.4.1.jar
deleted file mode 100644
index 1d15e793..00000000
Binary files a/lib/mail-1.4.1.jar and /dev/null differ
diff --git a/lib/mail-1.4.3.jar b/lib/mail-1.4.3.jar
new file mode 100644
index 00000000..d1a49713
Binary files /dev/null and b/lib/mail-1.4.3.jar differ
diff --git a/pom.xml b/pom.xml
index 0010ec1c..e7c3659c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -215,12 +215,12 @@
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.4.1</version>
+            <version>1.4.3</version>
         </dependency>
         <dependency>
             <groupId>javax.activation</groupId>
             <artifactId>activation</artifactId>
-            <version>1.1</version>
+            <version>1.1.1</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse</groupId>