diff --git a/CHANGELOG.md b/CHANGELOG.md
index b03402c..096bf5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
 ## [Unreleased]
+### Changed
+- Client version updated on [5.2.13](https://github.com/reportportal/client-java/releases/tag/5.2.13), by @HardNorth
+### Removed
+- `OkHttp` dependency, by @HardNorth
+- JSR-305 dependency, by @HardNorth
 
 ## [5.3.1]
 ### Changed
diff --git a/README.md b/README.md
index 21c04f0..5dc7848 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Cucumber JVM version [6.0.0; ) adapter
 [![Maven Central](https://img.shields.io/maven-central/v/com.epam.reportportal/agent-java-cucumber6.svg?label=Maven%20Central)](https://central.sonatype.com/artifact/com.epam.reportportal/agent-java-cucumber6)
 [![CI Build](https://github.com/reportportal/agent-java-cucumber6/actions/workflows/ci.yml/badge.svg)](https://github.com/reportportal/agent-java-cucumber6/actions/workflows/ci.yml)
 [![codecov](https://codecov.io/gh/reportportal/agent-java-cucumber6/branch/develop/graph/badge.svg?token=GDQZ46X0H0)](https://codecov.io/gh/reportportal/agent-java-cucumber6)
-[![Join Slack chat!](https://slack.epmrpp.reportportal.io/badge.svg)](https://slack.epmrpp.reportportal.io/)
+[![Join Slack chat!](https://img.shields.io/badge/slack-join-brightgreen.svg)](https://slack.epmrpp.reportportal.io/)
 [![stackoverflow](https://img.shields.io/badge/reportportal-stackoverflow-orange.svg?style=flat)](http://stackoverflow.com/questions/tagged/reportportal)
 [![Build with Love](https://img.shields.io/badge/build%20with-❤%EF%B8%8F%E2%80%8D-lightgrey.svg)](http://reportportal.io?style=flat)
 
diff --git a/build.gradle b/build.gradle
index 5f46087..181f0c8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,22 +39,21 @@ repositories {
 }
 
 dependencies {
-    api 'com.epam.reportportal:client-java:5.2.4'
-    api 'com.google.code.findbugs:jsr305:3.0.2'
+    api 'com.epam.reportportal:client-java:5.2.13'
 
-    implementation 'com.squareup.okhttp3:okhttp:4.12.0'
     implementation "io.cucumber:cucumber-gherkin:${project.cucumber_version}"
     implementation 'org.slf4j:slf4j-api:2.0.7'
 
+    testImplementation 'com.squareup.okhttp3:okhttp:4.12.0'
     testImplementation "io.cucumber:cucumber-java:${project.cucumber_version}"
-    testImplementation 'com.epam.reportportal:agent-java-test-utils:0.0.2'
+    testImplementation 'com.epam.reportportal:agent-java-test-utils:0.0.6'
     testImplementation "io.cucumber:cucumber-testng:${project.cucumber_version}"
     testImplementation 'org.aspectj:aspectjweaver:1.9.19'
     testImplementation 'org.hamcrest:hamcrest-core:2.2'
     testImplementation 'org.mockito:mockito-core:3.3.3'
     testImplementation 'org.mockito:mockito-junit-jupiter:3.3.3'
     testImplementation 'ch.qos.logback:logback-classic:1.4.12'
-    testImplementation 'com.epam.reportportal:logger-java-logback:5.2.0'
+    testImplementation 'com.epam.reportportal:logger-java-logback:5.2.2'
     testImplementation ("org.junit.platform:junit-platform-runner:${project.junit_runner_version}") {
         exclude module: 'junit'
     }
diff --git a/src/main/java/com/epam/reportportal/cucumber/AbstractReporter.java b/src/main/java/com/epam/reportportal/cucumber/AbstractReporter.java
index 854eec7..e3519c4 100644
--- a/src/main/java/com/epam/reportportal/cucumber/AbstractReporter.java
+++ b/src/main/java/com/epam/reportportal/cucumber/AbstractReporter.java
@@ -27,6 +27,7 @@
 import com.epam.reportportal.service.tree.TestItemTree;
 import com.epam.reportportal.utils.*;
 import com.epam.reportportal.utils.files.ByteSource;
+import com.epam.reportportal.utils.http.ContentType;
 import com.epam.reportportal.utils.markdown.MarkdownUtils;
 import com.epam.reportportal.utils.properties.SystemAttributesExtractor;
 import com.epam.reportportal.utils.reflect.Accessible;
@@ -40,7 +41,6 @@
 import io.cucumber.plugin.ConcurrentEventListener;
 import io.cucumber.plugin.event.*;
 import io.reactivex.Maybe;
-import okhttp3.MediaType;
 import org.apache.commons.lang3.tuple.Pair;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -581,15 +581,7 @@ private static String getDataType(@Nonnull byte[] data, @Nullable String name) {
 	 * @param data     data to attach
 	 */
 	protected void embedding(@Nullable String name, @Nullable String mimeType, @Nonnull byte[] data) {
-		String type = ofNullable(mimeType).filter(m -> {
-			try {
-				MediaType.get(m);
-				return true;
-			} catch (IllegalArgumentException e) {
-				LOGGER.warn("Incorrect media type '{}'", m);
-				return false;
-			}
-		}).orElseGet(() -> getDataType(data, name));
+		String type = ofNullable(mimeType).filter(ContentType::isValidType).orElseGet(() -> getDataType(data, name));
 		String attachmentName = ofNullable(name).filter(m -> !m.isEmpty())
 				.orElseGet(() -> ofNullable(type).map(t -> t.substring(0, t.indexOf("/"))).orElse(""));
 		ReportPortal.emitLog(new ReportPortalMessage(ByteSource.wrap(data), type, attachmentName),
diff --git a/src/test/java/com/epam/reportportal/cucumber/EmbeddingTest.java b/src/test/java/com/epam/reportportal/cucumber/EmbeddingTest.java
index 65e2806..83f482d 100644
--- a/src/test/java/com/epam/reportportal/cucumber/EmbeddingTest.java
+++ b/src/test/java/com/epam/reportportal/cucumber/EmbeddingTest.java
@@ -158,7 +158,7 @@ public void verify_text_embedding() {
 				.collect(Collectors.toList());
 
 		assertThat(types, hasSize(3));
-		assertThat(types, containsInAnyOrder("text/plain", "image/png", "application/octet-stream"));
+		assertThat(types, containsInAnyOrder("text/plain", "image/png", "text/plain"));
 	}
 
 	@Test