diff --git a/server/appengine/build.gradle b/server/appengine/build.gradle
index c621bc1fed..4fbbad28d7 100644
--- a/server/appengine/build.gradle
+++ b/server/appengine/build.gradle
@@ -53,7 +53,7 @@ dependencies {
     implementation 'com.googlecode.objectify:objectify:5.1.22'
 
     // Force older version of okio
-    implementation 'com.squareup.okio:okio:2.9.0'
+    implementation 'com.squareup.okio:okio:3.3.0'
 
     implementation deps.gson
     implementation deps.wire.gson