diff --git a/build.gradle b/build.gradle
index 49e2508..0d7fd2b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,16 +53,16 @@ dependencies {
 	implementation group: 'org.tinylog', name: 'tinylog-impl', version: '2.7.0'
 	runtimeOnly group: 'org.tinylog', name: 'slf4j-tinylog', version: '2.7.0'
   	
-	implementation group: 'org.eclipse.jetty', name: 'jetty-server', version: '11.0.22' // v12.x not compatible with Java 11
-	implementation group: 'org.eclipse.jetty', name: 'jetty-security', version: '11.0.22'
-	implementation group: 'org.eclipse.jetty.http2', name: 'http2-server', version: '11.0.22'
-	implementation group: 'org.eclipse.jetty', name: 'jetty-alpn-java-server', version: '11.0.22'
+	implementation group: 'org.eclipse.jetty', name: 'jetty-server', version: '11.0.24' // v12.x not compatible with Java 11
+	implementation group: 'org.eclipse.jetty', name: 'jetty-security', version: '11.0.24'
+	implementation group: 'org.eclipse.jetty.http2', name: 'http2-server', version: '11.0.24'
+	implementation group: 'org.eclipse.jetty', name: 'jetty-alpn-java-server', version: '11.0.24'
 	
 	implementation group: 'org.json', name: 'json', version: '20240303'
 	implementation group: 'org.yaml', name: 'snakeyaml', version: '1.33'  // TODO: check compatibility with newer version 2.x
-	implementation group: 'de.siegmar', name: 'fastcsv', version: '3.2.0'
+	implementation group: 'de.siegmar', name: 'fastcsv', version: '3.3.1'
 	implementation group: 'com.opencsv', name: 'opencsv', version: '5.9'  
-	implementation group: 'ch.randelshofer', name: 'fastdoubleparser', version: '1.0.0'	
+	implementation group: 'ch.randelshofer', name: 'fastdoubleparser', version: '1.0.1'	
 	
 	implementation group: 'com.github.wendykierp', name: 'JTransforms', version: '3.1'
 	
@@ -82,7 +82,7 @@ dependencies {
 	
 	implementation group: 'com.drewnoakes', name: 'metadata-extractor', version: '2.19.0'
 	
-	implementation group: 'com.h2database', name: 'h2', version: '2.3.230' // old database v2.1.x files not compatible with v2.2.x
+	implementation group: 'com.h2database', name: 'h2', version: '2.3.232' // old database v2.1.x files not compatible with v2.2.x
 	
 	implementation group: 'org.reflections', name: 'reflections', version: '0.10.2'
 	
diff --git a/launch/audio - build.launch b/launch/audio - _package.launch
similarity index 100%
rename from launch/audio - build.launch
rename to launch/audio - _package.launch
diff --git a/src/photo/api/Photo2Handler.java b/src/photo/api/Photo2Handler.java
index def6927..3ae3a3d 100644
--- a/src/photo/api/Photo2Handler.java
+++ b/src/photo/api/Photo2Handler.java
@@ -25,7 +25,6 @@
 
 import audio.Account;
 import audio.Broker;
-import audio.Sample2;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.servlet.http.HttpSession;
 import photo.Photo2;
diff --git a/src/photo/task/Task_photo_export_Camtrap_DP.java b/src/photo/task/Task_photo_export_Camtrap_DP.java
index 3aacb0a..55c784f 100644
--- a/src/photo/task/Task_photo_export_Camtrap_DP.java
+++ b/src/photo/task/Task_photo_export_Camtrap_DP.java
@@ -27,7 +27,7 @@
 import util.yaml.YamlMap;
 
 @Tag("photo")
-@Description("Export photo meta data to CSV files in structure of Camtrap DP.")
+@Description("Export photo metadata according to the Camtrap DP standard.")
 @Role("admin")
 public class Task_photo_export_Camtrap_DP extends Task {
 	
@@ -88,8 +88,7 @@ public void run() {
 		}		
 
 		HashSet<String> scientificNameSet = new HashSet<String>();
-		LocalDateTime[] deplMin = new LocalDateTime[] {MAX_DATE};
-		LocalDateTime[] deplMax = new LocalDateTime[] {MIN_DATE};		
+		LocalDateTime[] deplRange = new LocalDateTime[] {MAX_DATE, MIN_DATE};
 		HashMap<String, LocalDateTime[]> rangeMap = new HashMap<String, LocalDateTime[]>();
 
 		try (
@@ -156,11 +155,11 @@ public void run() {
 					String favorite = ""; // optional
 					String mediaComments = ""; // optional
 					
-					if(deplMin[0].isAfter(photo.date)) {
-						deplMin[0] = photo.date; 
+					if(deplRange[0].isAfter(photo.date)) {
+						deplRange[0] = photo.date; 
 					}
-					if(deplMax[0].isBefore(photo.date)) {
-						deplMax[0] = photo.date; 
+					if(deplRange[1].isBefore(photo.date)) {
+						deplRange[1] = photo.date; 
 					}
 					
 					LocalDateTime[] range = rangeMap.get(photo.location);
@@ -431,12 +430,14 @@ public void run() {
 			json.key("profile");
 			json.value("https://raw.githubusercontent.com/tdwg/camtrap-dp/1.0.1/camtrap-dp-profile.json");
 			json.key("created");
-			json.value(LocalDateTime.now().toString());
+			json.value(localDateTimeToString(LocalDateTime.now()));
 			json.key("contributors");
 			json.array();
 			json.object();
 			json.key("title");
 			json.value("PhotoDB");
+			json.key("role");
+			json.value("publisher");
 			json.endObject();
 			json.endArray();
 			json.key("project");
@@ -469,9 +470,9 @@ public void run() {
 			json.key("temporal");
 			json.object();
 			json.key("start");
-			json.value(localDateTimeToString(deplMin[0]));
+			json.value(localDateTimeToString(deplRange[0]));
 			json.key("end");
-			json.value(localDateTimeToString(deplMax[0]));
+			json.value(localDateTimeToString(deplRange[1]));
 			json.endObject();
 			json.key("taxonomic");
 			json.array();
diff --git a/src/util/yaml/YamlMap.java b/src/util/yaml/YamlMap.java
index ff17d2d..e8ea56b 100644
--- a/src/util/yaml/YamlMap.java
+++ b/src/util/yaml/YamlMap.java
@@ -17,13 +17,9 @@
 import java.util.function.IntConsumer;
 import java.util.function.Supplier;
 
-
-import org.tinylog.Logger;
-
 import util.collections.ReadonlyList;
 
-public class YamlMap {
-	
+public class YamlMap {	
 	
 	public static final YamlMap EMPTY_MAP = new YamlMap(new HashMap<>());