diff --git a/pom.xml b/pom.xml
index 525dbaa..24abf30 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 
     <properties>
         <project.build.outputTimestamp>2021-04-15T18:14:05Z</project.build.outputTimestamp>
-        <oak.version>1.40.0</oak.version>
+        <oak.version>1.8.8</oak.version>
     </properties>
 
 
@@ -191,7 +191,7 @@
         <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.testing.sling-mock-oak</artifactId>
-            <version>3.1.2-1.40.0</version>
+            <version>2.1.10-1.16.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>