diff --git a/pom.xml b/pom.xml
index 670ca87a..0e55494a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,6 +23,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<spring.version>5.0.0.RC3</spring.version>
+		<reactor.version>Bismuth-M3</reactor.version>
 		<java.version>1.8</java.version>
 		<project.type>multi</project.type>
 		<dist.id>spring-vault</dist.id>
@@ -103,7 +104,7 @@
 			<dependency>
 				<groupId>io.projectreactor</groupId>
 				<artifactId>reactor-bom</artifactId>
-				<version>Bismuth-BUILD-SNAPSHOT</version>
+				<version>${reactor.version}</version>
 				<scope>import</scope>
 				<type>pom</type>
 			</dependency>
diff --git a/src/main/resources/changelog.txt b/src/main/resources/changelog.txt
index f83c6ddb..19405fb5 100644
--- a/src/main/resources/changelog.txt
+++ b/src/main/resources/changelog.txt
@@ -10,6 +10,7 @@ Changes in version 2.0.0.M2
 * Introduce VaultEndpointProvider to allow usage of multiple endpoints within an application #113
 * Upgrade dependencies #119
 * Upgrade to Spring Framework 5.0 RC3 #120
+* Upgrade to Reactor 3.1.0 M3 #121
 
 Changes in version 1.1.0.M1
 -----------------------------------------