diff --git a/.github/workflows/test-and-publish.yml b/.github/workflows/test-and-publish.yml
index c7e6e9e..11aa19c 100644
--- a/.github/workflows/test-and-publish.yml
+++ b/.github/workflows/test-and-publish.yml
@@ -4,7 +4,7 @@ on:
   push:
 
 env:
-  DATABASE_SCHEMA: 4.11.0
+  DATABASE_SCHEMA: 4.12.0
 
 permissions:
   contents: read
diff --git a/HISTORY.rst b/HISTORY.rst
index 1fc5378..41cb550 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,11 @@ History
 Unreleased / main
 -------------------
 
+11.1.2 (2026-02-13)
+-------------------
+
+* Update database schema to v4.12.0
+
 11.1.1 (2026-01-13)
 -------------------
 
diff --git a/src/ispyb/sqlalchemy/_auto_db_schema.py b/src/ispyb/sqlalchemy/_auto_db_schema.py
index 23f75d9..819031d 100644
--- a/src/ispyb/sqlalchemy/_auto_db_schema.py
+++ b/src/ispyb/sqlalchemy/_auto_db_schema.py
@@ -1,4 +1,4 @@
-__schema_version__ = "4.11.0"
+__schema_version__ = "4.12.0"
 import datetime
 import decimal
 from typing import List, Optional
@@ -7102,12 +7102,18 @@ class SSXDataCollection(Base):
 class AutoProcProgram(Base):
     __tablename__ = "AutoProcProgram"
     __table_args__ = (
+        ForeignKeyConstraint(
+            ["parentAutoProcProgramId"],
+            ["AutoProcProgram.autoProcProgramId"],
+            name="AutoProcProgram_fk_parentAutoProcProgramId",
+        ),
         ForeignKeyConstraint(
             ["processingJobId"],
             ["ProcessingJob.processingJobId"],
             name="AutoProcProgram_FK2",
         ),
         Index("AutoProcProgram_FK2", "processingJobId"),
+        Index("AutoProcProgram_fk_parentAutoProcProgramId", "parentAutoProcProgramId"),
     )
 
     autoProcProgramId: Mapped[int] = mapped_column(
@@ -7139,7 +7145,18 @@ class AutoProcProgram(Base):
     )
     processingJobId: Mapped[Optional[int]] = mapped_column(INTEGER(11))
     processingPipelineId: Mapped[Optional[int]] = mapped_column(INTEGER(11))
+    parentAutoProcProgramId: Mapped[Optional[int]] = mapped_column(INTEGER(10))
 
+    AutoProcProgram: Mapped["AutoProcProgram"] = relationship(
+        "AutoProcProgram",
+        remote_side=[autoProcProgramId],
+        back_populates="AutoProcProgram_reverse",
+    )
+    AutoProcProgram_reverse: Mapped[List["AutoProcProgram"]] = relationship(
+        "AutoProcProgram",
+        remote_side=[parentAutoProcProgramId],
+        back_populates="AutoProcProgram",
+    )
     ProcessingJob: Mapped["ProcessingJob"] = relationship(
         "ProcessingJob", back_populates="AutoProcProgram"
     )
@@ -8286,6 +8303,29 @@ class ProcessedTomogram(Base):
     processingType: Mapped[Optional[str]] = mapped_column(
         String(255), comment="nature of the processed tomogram"
     )
+    feature: Mapped[Optional[str]] = mapped_column(
+        Enum(
+            "Membrane",
+            "Microtubule",
+            "Ribosome",
+            "Tric",
+            "Actin",
+            "Cytoplasm",
+            "Cytoplasmic granule",
+            "Lipid droplet",
+            "Mitochondrial granule",
+            "Mitochondrion",
+            "Npc",
+            "Nuclear envelope",
+            "Nucleus",
+            "Prohibitin",
+            "Proteasome",
+            "Vault",
+            "Vimentin",
+            "Void",
+        ),
+        comment="Tomogram feature",
+    )
 
     Tomogram: Mapped["Tomogram"] = relationship(
         "Tomogram", back_populates="ProcessedTomogram"