diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
index 472d453c4..ad4cc657e 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/pom.xml
@@ -18,7 +18,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<google.cloud.functions.api.version>1.1.4</google.cloud.functions.api.version>
-		<google.cloud.functions.invoker.version>1.3.1</google.cloud.functions.invoker.version>
+		<google.cloud.functions.invoker.version>1.0.3</google.cloud.functions.invoker.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-gcp-http/pom.xml b/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
index 3789f4fd8..fc7775459 100644
--- a/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
+++ b/spring-cloud-function-samples/function-sample-gcp-http/pom.xml
@@ -54,7 +54,7 @@
 		<dependency>
 			<groupId>com.google.cloud.functions.invoker</groupId>
 			<artifactId>java-function-invoker</artifactId>
-			<version>1.0.0-alpha-2-rc5</version>
+			<version>1.0.3</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>