diff --git a/spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultReactiveBootstrapConfiguration.java b/spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultReactiveBootstrapConfiguration.java
index 062be2a9..158dadd3 100644
--- a/spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultReactiveBootstrapConfiguration.java
+++ b/spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultReactiveBootstrapConfiguration.java
@@ -19,6 +19,7 @@ import java.time.Duration;
 
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
+import reactor.netty.http.client.HttpClient;
 
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.ListableBeanFactory;
@@ -68,7 +69,8 @@ import org.springframework.web.reactive.function.client.WebClient;
 @Configuration
 @ConditionalOnProperty(name = "spring.cloud.vault.enabled", matchIfMissing = true)
 @ConditionalOnExpression("${spring.cloud.vault.reactive.enabled:true}")
-@ConditionalOnClass({ Flux.class, WebClient.class, ReactiveVaultOperations.class })
+@ConditionalOnClass({ Flux.class, WebClient.class, ReactiveVaultOperations.class,
+		HttpClient.class })
 @EnableConfigurationProperties({ VaultProperties.class })
 @Order(Ordered.LOWEST_PRECEDENCE - 10)
 public class VaultReactiveBootstrapConfiguration {