diff --git a/exercises/chapter_0/chapter0_helloworld/pom.xml b/exercises/chapter_0/chapter0_helloworld/pom.xml
index a3e5bcb..dbb8e95 100644
--- a/exercises/chapter_0/chapter0_helloworld/pom.xml
+++ b/exercises/chapter_0/chapter0_helloworld/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.3.RELEASE</version>
+		<version>2.2.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.fjordtek</groupId>
diff --git a/exercises/chapter_1/chapter1_httprequest/pom.xml b/exercises/chapter_1/chapter1_httprequest/pom.xml
index 5555e3a..bd7d4c9 100644
--- a/exercises/chapter_1/chapter1_httprequest/pom.xml
+++ b/exercises/chapter_1/chapter1_httprequest/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.3.RELEASE</version>
+		<version>2.2.4.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.fjordtek</groupId>