diff --git a/build.gradle b/build.gradle
index 16a255f..4e77399 100644
--- a/build.gradle
+++ b/build.gradle
@@ -49,8 +49,8 @@ dependencies {
         annotationProcessor 'com.epam.reportportal:plugin-api'
     } else {
         implementation 'com.github.reportportal:commons-dao:9b8b695'
-        implementation 'com.github.reportportal:plugin-api:f59b724'
-        annotationProcessor 'com.github.reportportal:plugin-api:f59b724'
+        implementation 'com.github.reportportal:plugin-api:9bd040f'
+        annotationProcessor 'com.github.reportportal:plugin-api:9bd040f'
     }
 
     compileOnly "org.projectlombok:lombok:${lombokVersion}"
diff --git a/src/main/java/com/epam/reportportal/extension/slack/collector/laucnh/AttributesCollector.java b/src/main/java/com/epam/reportportal/extension/slack/collector/laucnh/AttributesCollector.java
index 0815cc1..787c526 100644
--- a/src/main/java/com/epam/reportportal/extension/slack/collector/laucnh/AttributesCollector.java
+++ b/src/main/java/com/epam/reportportal/extension/slack/collector/laucnh/AttributesCollector.java
@@ -27,7 +27,10 @@ public Map<DefaultTemplateProperty, String> collect(Launch launch) {
   private Map<DefaultTemplateProperty, String> convertToProperties(Set<ItemAttribute> attributes) {
     final String attributesString = attributes.stream()
         .filter(a -> BooleanUtils.isFalse(a.isSystem()))
-        .map(a -> ofNullable(a.getKey()).orElse("") + ":" + a.getValue())
+        .map(a -> {
+          String key = a.getKey();
+          return key != null ? key + ":" + a.getValue() : a.getValue();
+        })
         .collect(Collectors.joining("; "));
     return Map.of(LAUNCH_ATTRIBUTES, attributesString);
   }