diff --git a/core/src/main/resources/sqlScripts/0050-sqlite-addApplyToParentIndex.sql b/core/src/main/resources/sqlScripts/0050-sqlite-addApplyToParentIndex.sql
new file mode 100644
index 000000000..3f8fb5e93
--- /dev/null
+++ b/core/src/main/resources/sqlScripts/0050-sqlite-addApplyToParentIndex.sql
@@ -0,0 +1,3 @@
+
+-- significantly speeds up parent update handling
+create index FullDataUpdatedIndex on FullData (ApplyToParent) where ApplyToParent = 1
diff --git a/core/src/main/resources/sqlScripts/scriptList.txt b/core/src/main/resources/sqlScripts/scriptList.txt
index 62901d865..d2104f42c 100644
--- a/core/src/main/resources/sqlScripts/scriptList.txt
+++ b/core/src/main/resources/sqlScripts/scriptList.txt
@@ -4,3 +4,4 @@
 0030-sqlite-changeTableJournaling.sql
 0031-sqlite-useSqliteWalJournaling.sql
 0040-sqlite-removeRenderCache.sql
+0050-sqlite-addApplyToParentIndex.sql