diff --git a/types/context.go b/types/context.go
index 6547dcb44a9c..02d77ca46cb9 100644
--- a/types/context.go
+++ b/types/context.go
@@ -92,6 +92,9 @@ func (c Context) CometInfo() comet.Info                         { return c.comet
 func (c Context) HeaderInfo() header.Info                       { return c.headerInfo }
 
 // BlockHeader returns the header by value.
+// Note, only ChainID, Time and Height are always filled by baseapp.
+// In finalize block, the proposer address, validator hash and app hash are also filled.
+// Use CometInfo service and/or the Consensus Keeper for getting more information.
 func (c Context) BlockHeader() cmtproto.Header {
 	return c.header
 }
diff --git a/x/auth/ante/expected_keepers.go b/x/auth/ante/expected_keepers.go
index 2c6214a4ab68..12390198d7a7 100644
--- a/x/auth/ante/expected_keepers.go
+++ b/x/auth/ante/expected_keepers.go
@@ -28,5 +28,6 @@ type FeegrantKeeper interface {
 }
 
 type ConsensusKeeper interface {
+	AppVersion(ctx context.Context) (uint64, error)
 	BlockParams(context.Context) (uint64, uint64, error)
 }
diff --git a/x/auth/ante/testutil/expected_keepers_mocks.go b/x/auth/ante/testutil/expected_keepers_mocks.go
index 0ce54e8a0a98..6342b25aa8ee 100644
--- a/x/auth/ante/testutil/expected_keepers_mocks.go
+++ b/x/auth/ante/testutil/expected_keepers_mocks.go
@@ -202,6 +202,21 @@ func (m *MockConsensusKeeper) EXPECT() *MockConsensusKeeperMockRecorder {
 	return m.recorder
 }
 
+// AppVersion mocks base method.
+func (m *MockConsensusKeeper) AppVersion(ctx context.Context) (uint64, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "AppVersion", ctx)
+	ret0, _ := ret[0].(uint64)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// AppVersion indicates an expected call of AppVersion.
+func (mr *MockConsensusKeeperMockRecorder) AppVersion(ctx any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppVersion", reflect.TypeOf((*MockConsensusKeeper)(nil).AppVersion), ctx)
+}
+
 // BlockParams mocks base method.
 func (m *MockConsensusKeeper) BlockParams(arg0 context.Context) (uint64, uint64, error) {
 	m.ctrl.T.Helper()