diff --git a/pom.xml b/pom.xml
index 3da4cfb6..6767ff0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,11 +24,11 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<assertj-core.version>3.23.1</assertj-core.version>
 		<json-path.version>2.5.0</json-path.version>
-		<junit.version>5.8.2</junit.version>
-		<kotlin.version>1.7.10</kotlin.version>
-		<kotlin-coroutines.version>1.6.2</kotlin-coroutines.version>
-		<mockk.version>1.12.4</mockk.version>
-		<mockito-core.version>4.6.1</mockito-core.version>
+		<junit.version>5.9.1</junit.version>
+		<kotlin.version>1.7.21</kotlin.version>
+		<kotlin-coroutines.version>1.6.4</kotlin-coroutines.version>
+		<mockk.version>1.13.2</mockk.version>
+		<mockito-core.version>4.9.0</mockito-core.version>
 		<spring.version>6.0.0</spring.version>
 		<spring-data-bom.version>2022.0.0-RC1</spring-data-bom.version>
 		<spring-security-bom.version>6.0.0-M6</spring-security-bom.version>
@@ -225,7 +225,7 @@
 
 			<dependency>
 				<groupId>io.mockk</groupId>
-				<artifactId>mockk</artifactId>
+				<artifactId>mockk-jvm</artifactId>
 				<version>${mockk.version}</version>
 				<scope>test</scope>
 			</dependency>
@@ -444,7 +444,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-jar-plugin</artifactId>
-					<version>3.1.1</version>
+					<version>3.3.0</version>
 					<configuration>
 						<archive>
 							<manifestEntries>
@@ -486,7 +486,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
-					<version>3.4.0</version>
+					<version>3.4.1</version>
 					<configuration>
 						<locale>en_US</locale>
 						<breakiterator>true</breakiterator>
@@ -535,7 +535,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-deploy-plugin</artifactId>
-					<version>2.8.2</version>
+					<version>3.0.0</version>
 				</plugin>
 
 				<plugin>
@@ -577,7 +577,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-assembly-plugin</artifactId>
-					<version>3.4.1</version>
+					<version>3.4.2</version>
 				</plugin>
 
 				<plugin>
@@ -595,7 +595,7 @@
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
 					<artifactId>flatten-maven-plugin</artifactId>
-					<version>1.2.7</version>
+					<version>1.3.0</version>
 				</plugin>
 
 			</plugins>
diff --git a/spring-vault-core/pom.xml b/spring-vault-core/pom.xml
index edfa5855..cf9d909e 100644
--- a/spring-vault-core/pom.xml
+++ b/spring-vault-core/pom.xml
@@ -286,7 +286,7 @@
 
 		<dependency>
 			<groupId>io.mockk</groupId>
-			<artifactId>mockk</artifactId>
+			<artifactId>mockk-jvm</artifactId>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/spring-vault-core/src/main/java/org/springframework/vault/authentication/GcpIamAuthentication.java b/spring-vault-core/src/main/java/org/springframework/vault/authentication/GcpIamAuthentication.java
index 3958774c..33447cf7 100644
--- a/spring-vault-core/src/main/java/org/springframework/vault/authentication/GcpIamAuthentication.java
+++ b/spring-vault-core/src/main/java/org/springframework/vault/authentication/GcpIamAuthentication.java
@@ -21,11 +21,9 @@ import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
-import com.google.api.client.googleapis.apache.GoogleApacheHttpTransport;
 import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
 import com.google.api.client.http.HttpTransport;
 import com.google.api.client.http.javanet.NetHttpTransport;
-import com.google.api.client.json.JsonFactory;
 import com.google.api.services.iam.v1.Iam;
 import com.google.api.services.iam.v1.Iam.Builder;
 import com.google.api.services.iam.v1.Iam.Projects.ServiceAccounts.SignJwt;
@@ -33,9 +31,7 @@ import com.google.api.services.iam.v1.model.SignJwtRequest;
 import com.google.api.services.iam.v1.model.SignJwtResponse;
 import com.google.auth.oauth2.GoogleCredentials;
 
-import org.springframework.beans.BeanUtils;
 import org.springframework.util.Assert;
-import org.springframework.util.ClassUtils;
 import org.springframework.vault.VaultException;
 import org.springframework.vault.support.VaultToken;
 import org.springframework.web.client.RestOperations;
@@ -82,7 +78,7 @@ public class GcpIamAuthentication extends GcpJwtAuthenticationSupport implements
 	/**
 	 * Create a new instance of {@link GcpIamAuthentication} given
 	 * {@link GcpIamAuthenticationOptions} and {@link RestOperations}. This constructor
-	 * initializes {@link GoogleApacheHttpTransport} for Google API usage.
+	 * initializes {@link NetHttpTransport} for Google API usage.
 	 * @param options must not be {@literal null}.
 	 * @param restOperations HTTP client for Vault login, must not be {@literal null}.
 	 */
diff --git a/spring-vault-dependencies/pom.xml b/spring-vault-dependencies/pom.xml
index f893d32f..65c9df1b 100644
--- a/spring-vault-dependencies/pom.xml
+++ b/spring-vault-dependencies/pom.xml
@@ -59,14 +59,14 @@
 	<properties>
 		<httpclient.version>5.1.3</httpclient.version>
 		<httpcore.version>5.1.4</httpcore.version>
-		<jetty-reactive-httpclient.version>3.0.6</jetty-reactive-httpclient.version>
-		<netty.version>4.1.79.Final</netty.version>
+		<jetty-reactive-httpclient.version>3.0.7</jetty-reactive-httpclient.version>
+		<netty.version>4.1.85.Final</netty.version>
 		<okhttp3.version>3.14.9</okhttp3.version>
-		<jackson-databind.version>2.13.4.2</jackson-databind.version>
-		<aws-java-sdk.version>2.17.232</aws-java-sdk.version>
-		<google-api-services-iam.version>v1-rev20220526-1.32.1</google-api-services-iam.version>
-		<google-cloud-iamcredentials.version>2.3.0</google-cloud-iamcredentials.version>
-		<google-auth-library-oauth2-http.version>1.8.1</google-auth-library-oauth2-http.version>
+		<jackson-databind.version>2.14.0</jackson-databind.version>
+		<aws-java-sdk.version>2.18.18</aws-java-sdk.version>
+		<google-api-services-iam.version>v1-rev20221013-2.0.0</google-api-services-iam.version>
+		<google-cloud-iamcredentials.version>2.6.0</google-cloud-iamcredentials.version>
+		<google-auth-library-oauth2-http.version>1.13.0</google-auth-library-oauth2-http.version>
 		<bcpkix-jdk15on.version>1.70</bcpkix-jdk15on.version>
 	</properties>
 
@@ -183,7 +183,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.4.0</version>
+				<version>3.4.1</version>
 				<executions>
 					<execution>
 						<goals>
@@ -196,7 +196,7 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>flatten-maven-plugin</artifactId>
-				<version>1.2.7</version>
+				<version>1.3.0</version>
 				<inherited>false</inherited>
 				<executions>
 					<execution>