diff --git a/dbscripts/xml/upgrade.xml b/dbscripts/xml/upgrade.xml
index 58921fdee0..6b53b78877 100644
--- a/dbscripts/xml/upgrade.xml
+++ b/dbscripts/xml/upgrade.xml
@@ -32,6 +32,7 @@
 
 	<upgrade minversion="3.3.0.16" maxversion="3.3.0.18">
 		<migration class="lib.pkp.classes.migration.upgrade.I10249_FixProfileImageDataLoss" />
+		<migration class="lib.pkp.classes.migration.upgrade.I8933_FixSubmissionFileRevisionsFileIdForeignKeyConstraint" />
 	</upgrade>
 
 	<!-- update plugin configuration - should be done as the final upgrade task -->
diff --git a/lib/pkp b/lib/pkp
index 1a8ca71a8b..dd896a73bd 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1a8ca71a8b9edc14eaad6bf861659f7737ac44f9
+Subproject commit dd896a73bd37c331602785390f89c608fbb3a07f