diff --git a/http-server/pom.xml b/http-server/pom.xml
index a386efd..6980eb0 100644
--- a/http-server/pom.xml
+++ b/http-server/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.17.1</version>
+            <version>2.25.4</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
diff --git a/jrecord-example/pom.xml b/jrecord-example/pom.xml
index 51ea590..223eaa7 100644
--- a/jrecord-example/pom.xml
+++ b/jrecord-example/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.17.1</version>
+            <version>2.25.4</version>
         </dependency>
         <dependency>
             <groupId>net.sf</groupId>
diff --git a/mock-example/pom.xml b/mock-example/pom.xml
index e914e0a..9e450b5 100644
--- a/mock-example/pom.xml
+++ b/mock-example/pom.xml
@@ -26,7 +26,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.17.1</version>
+      <version>2.25.4</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/spring-example/pom.xml b/spring-example/pom.xml
index 47f477c..3e8e76e 100644
--- a/spring-example/pom.xml
+++ b/spring-example/pom.xml
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>6.1.14</version>
+            <version>6.1.20</version>
         </dependency>
     </dependencies>
 
diff --git a/xbean-example/pom.xml b/xbean-example/pom.xml
index 47f477c..3e8e76e 100644
--- a/xbean-example/pom.xml
+++ b/xbean-example/pom.xml
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>6.1.14</version>
+            <version>6.1.20</version>
         </dependency>
     </dependencies>