diff --git a/davmail-setup.nsi b/davmail-setup.nsi
index 85ef0294..9f1ebcfe 100644
--- a/davmail-setup.nsi
+++ b/davmail-setup.nsi
@@ -96,7 +96,7 @@ Section "MainSection" SEC01
   File "dist\lib\jcharset-1.3.jar"
   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\log4j-1.2.16.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"
@@ -170,7 +170,7 @@ no_quest:
   Delete "$INSTDIR\lib\jcharset-1.3.jar"
   Delete "$INSTDIR\lib\jcifs-1.3.14.jar"
   Delete "$INSTDIR\lib\jdom-1.0.jar"
-  Delete "$INSTDIR\lib\log4j-1.2.15.jar"
+  Delete "$INSTDIR\lib\log4j-1.2.16.jar"
   Delete "$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"
diff --git a/davmail.jsmooth b/davmail.jsmooth
index 75e9eb47..549acdfc 100644
--- a/davmail.jsmooth
+++ b/davmail.jsmooth
@@ -18,7 +18,7 @@
 <classPath>dist/lib/jcharset-1.3.jar</classPath>
 <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/log4j-1.2.16.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>
diff --git a/davmail64.jsmooth b/davmail64.jsmooth
index c1fc6d43..62d2591d 100644
--- a/davmail64.jsmooth
+++ b/davmail64.jsmooth
@@ -18,7 +18,7 @@
 <classPath>dist\lib\jcharset-1.3.jar</classPath>
 <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\log4j-1.2.16.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>
diff --git a/davmailconsole.jsmooth b/davmailconsole.jsmooth
index 5987afec..f7ccca0e 100644
--- a/davmailconsole.jsmooth
+++ b/davmailconsole.jsmooth
@@ -18,7 +18,7 @@
 <classPath>dist/lib/jcharset-1.3.jar</classPath>
 <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/log4j-1.2.16.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>
diff --git a/davmailservice.jsmooth b/davmailservice.jsmooth
index 3a138480..115f3c0d 100644
--- a/davmailservice.jsmooth
+++ b/davmailservice.jsmooth
@@ -18,7 +18,7 @@
 <classPath>dist/lib/jcharset-1.3.jar</classPath>
 <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/log4j-1.2.16.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>
diff --git a/lib/log4j-1.2.15.jar b/lib/log4j-1.2.15.jar
deleted file mode 100644
index c930a6ab..00000000
Binary files a/lib/log4j-1.2.15.jar and /dev/null differ
diff --git a/lib/log4j-1.2.16.jar b/lib/log4j-1.2.16.jar
new file mode 100644
index 00000000..3f9d8476
Binary files /dev/null and b/lib/log4j-1.2.16.jar differ
diff --git a/pom.xml b/pom.xml
index 96749996..5fca7f3e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -203,7 +203,7 @@
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
-            <version>1.2.15</version>
+            <version>1.2.16</version>
             <exclusions>
                 <exclusion>
                     <groupId>javax.jms</groupId>