diff --git a/build.gradle b/build.gradle
index 0db37435..4911ff05 100644
--- a/build.gradle
+++ b/build.gradle
@@ -57,8 +57,8 @@ dependencies {
     implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'mac'
     implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'linux'
 
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.7.0'
-    implementation group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-jsr310', version: '2.7.4'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.17.2'
+    implementation group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-jsr310', version: '2.17.2'
 
     testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: jUnitVersion
 
diff --git a/src/main/java/seedu/address/commons/util/JsonUtil.java b/src/main/java/seedu/address/commons/util/JsonUtil.java
index 100cb16c..abdbc7f3 100644
--- a/src/main/java/seedu/address/commons/util/JsonUtil.java
+++ b/src/main/java/seedu/address/commons/util/JsonUtil.java
@@ -37,7 +37,8 @@ public class JsonUtil {
             .setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY)
             .registerModule(new SimpleModule("SimpleModule")
                     .addSerializer(Level.class, new ToStringSerializer())
-                    .addDeserializer(Level.class, new LevelDeserializer(Level.class)));
+                    .addDeserializer(Level.class, new LevelDeserializer(Level.class))
+                    .addSerializer(Path.class, new ToStringSerializer()));
 
     static <T> void serializeObjectToJsonFile(Path jsonFile, T objectToSerialize) throws IOException {
         FileUtil.writeToFile(jsonFile, toJsonString(objectToSerialize));