diff --git a/src/main/java/io/cryostat/agent/model/KeyValue.java b/src/main/java/io/cryostat/agent/model/KeyValue.java
index 178d13d7..46c1c54f 100644
--- a/src/main/java/io/cryostat/agent/model/KeyValue.java
+++ b/src/main/java/io/cryostat/agent/model/KeyValue.java
@@ -18,8 +18,11 @@
 import java.util.Objects;
 
 public class KeyValue {
-    private final String key;
-    private final String value;
+
+    private String key;
+    private String value;
+
+    KeyValue() {}
 
     public KeyValue(String key, String value) {
         this.key = Objects.requireNonNull(key);
@@ -34,6 +37,14 @@ public String getValue() {
         return value;
     }
 
+    void setKey(String key) {
+        this.key = key;
+    }
+
+    void setValue(String value) {
+        this.value = value;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(key, value);