diff --git a/ahc/pom.xml b/ahc/pom.xml
index 9b636a6..b7b597f 100644
--- a/ahc/pom.xml
+++ b/ahc/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.1</version>
+            <version>2.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.dedriver</groupId>
diff --git a/duplicate-cleaner/pom.xml b/duplicate-cleaner/pom.xml
index 324787e..a184fdf 100644
--- a/duplicate-cleaner/pom.xml
+++ b/duplicate-cleaner/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.14.1</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/email/pom.xml b/email/pom.xml
index 9e782c1..70a1eb8 100644
--- a/email/pom.xml
+++ b/email/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.2</version>
+            <version>2.18.0</version>
         </dependency>
         <dependency>
             <groupId>de.swingbe.email</groupId>
diff --git a/file-appender/pom.xml b/file-appender/pom.xml
index b3308b5..dee9610 100644
--- a/file-appender/pom.xml
+++ b/file-appender/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.14.1</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/file-cleaner/pom.xml b/file-cleaner/pom.xml
index d112c11..cc2769d 100644
--- a/file-cleaner/pom.xml
+++ b/file-cleaner/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.14.1</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/mon_dir/pom.xml b/mon_dir/pom.xml
index 00b538d..2c72551 100644
--- a/mon_dir/pom.xml
+++ b/mon_dir/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.9.0</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/rolling-log/pom.xml b/rolling-log/pom.xml
index d5ea42d..295211d 100644
--- a/rolling-log/pom.xml
+++ b/rolling-log/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.1</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/slf4j/pom.xml b/slf4j/pom.xml
index 0fdda7c..ba19f6d 100644
--- a/slf4j/pom.xml
+++ b/slf4j/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.1</version>
+            <version>2.18.0</version>
         </dependency>
     </dependencies>
 
diff --git a/tailer/pom.xml b/tailer/pom.xml
index d84399b..0b2eddb 100644
--- a/tailer/pom.xml
+++ b/tailer/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.9.0</version>
+            <version>2.18.0</version>
         </dependency>
         <!--required for Tailer class-->
         <dependency>