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 e6ace98a..588fa4f3 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
@@ -24,6 +24,7 @@ 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.client.json.jackson2.JacksonFactory;
 import com.google.api.services.iam.v1.Iam;
@@ -88,7 +89,7 @@ public class GcpIamAuthentication extends GcpJwtAuthenticationSupport
 	 */
 	public GcpIamAuthentication(GcpIamAuthenticationOptions options,
 			RestOperations restOperations) throws GeneralSecurityException, IOException {
-		this(options, restOperations, GoogleApacheHttpTransport.newTrustedTransport());
+		this(options, restOperations, new NetHttpTransport());
 	}
 
 	/**
diff --git a/spring-vault-core/src/test/java/org/springframework/vault/authentication/GcpIamAuthenticationUnitTests.java b/spring-vault-core/src/test/java/org/springframework/vault/authentication/GcpIamAuthenticationUnitTests.java
index e701bf79..e91f8f41 100644
--- a/spring-vault-core/src/test/java/org/springframework/vault/authentication/GcpIamAuthenticationUnitTests.java
+++ b/spring-vault-core/src/test/java/org/springframework/vault/authentication/GcpIamAuthenticationUnitTests.java
@@ -15,6 +15,8 @@
  */
 package org.springframework.vault.authentication;
 
+import java.io.IOException;
+import java.security.GeneralSecurityException;
 import java.security.PrivateKey;
 import java.time.Duration;
 
@@ -100,4 +102,21 @@ class GcpIamAuthenticationUnitTests {
 		assertThat(loginToken.isRenewable()).isTrue();
 		assertThat(loginToken.getLeaseDuration()).isEqualTo(Duration.ofSeconds(10));
 	}
+
+	@Test
+	void shouldCreateNewGcpIamObjectInstance()
+			throws GeneralSecurityException, IOException {
+
+		PrivateKey privateKeyMock = mock(PrivateKey.class);
+		GoogleCredential credential = new Builder().setServiceAccountId("hello@world")
+				.setServiceAccountProjectId("foobar")
+				.setServiceAccountPrivateKey(privateKeyMock)
+				.setServiceAccountPrivateKeyId("key-id").build();
+		credential.setAccessToken("foobar");
+
+		GcpIamAuthenticationOptions options = GcpIamAuthenticationOptions.builder()
+				.role("dev-role").credential(credential).build();
+
+		new GcpIamAuthentication(options, restTemplate);
+	}
 }