diff --git a/build.gradle.kts b/build.gradle.kts
index e371bc0..b2e88c7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -38,7 +38,7 @@ repositories {
 dependencies {
     implementation("org.java-websocket:Java-WebSocket:1.5.2")
 
-    val jacksonVersion = "2.13.3"
+    val jacksonVersion = "2.19.0"
     implementation("com.fasterxml.jackson.core:jackson-core:$jacksonVersion")
     implementation("com.fasterxml.jackson.core:jackson-databind:$jacksonVersion")
     implementation("com.fasterxml.jackson.core:jackson-annotations:$jacksonVersion")
diff --git a/src/main/java/cz/smarteon/loxone/calendar/CalEntryBase.java b/src/main/java/cz/smarteon/loxone/calendar/CalEntryBase.java
index 4200dc0..bc35164 100644
--- a/src/main/java/cz/smarteon/loxone/calendar/CalEntryBase.java
+++ b/src/main/java/cz/smarteon/loxone/calendar/CalEntryBase.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import cz.smarteon.loxone.LoxoneUuid;
@@ -65,8 +66,12 @@ public abstract class CalEntryBase {
      */
     protected int calMode;
 
-    @JsonCreator
-    protected CalEntryBase(@NotNull LoxoneUuid uuid, @NotNull String name, int operatingMode, @NotNull String calMode) {
+    @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+    protected CalEntryBase(
+            @JsonProperty("uuid") @NotNull LoxoneUuid uuid,
+            @JsonProperty("name") @NotNull String name,
+            @JsonProperty("operatingMode") int operatingMode,
+            @JsonProperty("calMode") @NotNull String calMode) {
         this.uuid = uuid;
         this.name = name;
         this.operatingMode = operatingMode;