diff --git a/pom.xml b/pom.xml
index 1935c88f9..304f5c833 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,7 +66,7 @@
     <project.google.http.version>1.43.3</project.google.http.version>
     <project.junit.version>4.13.2</project.junit.version>
     <project.guava.version>32.0.0-android</project.guava.version>
-    <project.appengine.version>2.0.19</project.appengine.version>
+    <project.appengine.version>2.0.20</project.appengine.version>
     <project.findbugs.version>3.0.2</project.findbugs.version>
     <deploy.autorelease>false</deploy.autorelease>
     <project.autovalue.version>1.8.2</project.autovalue.version>