diff --git a/spring-boot-project/spring-boot-docs/pom.xml b/spring-boot-project/spring-boot-docs/pom.xml
index cb605086ae..ddb0936cbf 100644
--- a/spring-boot-project/spring-boot-docs/pom.xml
+++ b/spring-boot-project/spring-boot-docs/pom.xml
@@ -271,6 +271,11 @@
 			<artifactId>reactor-netty</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>io.reactivex</groupId>
+			<artifactId>rxjava-reactive-streams</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>io.undertow</groupId>
 			<artifactId>undertow-servlet</artifactId>