diff --git a/pom.xml b/pom.xml
index b8938544..7cd3d6cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,6 +48,8 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
+        <slf4j.version>2.0.12</slf4j.version>
+        <jackson.version>2.16.1</jackson.version>
     </properties>
 
     <distributionManagement>
@@ -66,7 +68,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.2.1</version>
+                <version>3.3.0</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
@@ -232,12 +234,12 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.14.2</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.14.2</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
@@ -247,12 +249,12 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>2.0.6</version>
+            <version>${slf4j.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>2.0.6</version>
+            <version>${slf4j.version}</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>