diff --git a/release/go/spacemesh/v1/types.pb.go b/release/go/spacemesh/v1/types.pb.go
index 76864213..8fd69068 100644
--- a/release/go/spacemesh/v1/types.pb.go
+++ b/release/go/spacemesh/v1/types.pb.go
@@ -75,11 +75,12 @@ func (Layer_LayerStatus) EnumDescriptor() ([]byte, []int) {
 type MalfeasanceProof_MalfeasanceType int32
 
 const (
-	MalfeasanceProof_MALFEASANCE_UNSPECIFIED MalfeasanceProof_MalfeasanceType = 0
-	MalfeasanceProof_MALFEASANCE_ATX         MalfeasanceProof_MalfeasanceType = 1
-	MalfeasanceProof_MALFEASANCE_BALLOT      MalfeasanceProof_MalfeasanceType = 2
-	MalfeasanceProof_MALFEASANCE_HARE        MalfeasanceProof_MalfeasanceType = 3
-	MalfeasanceProof_MALFEASANCE_POST_INDEX  MalfeasanceProof_MalfeasanceType = 4
+	MalfeasanceProof_MALFEASANCE_UNSPECIFIED        MalfeasanceProof_MalfeasanceType = 0
+	MalfeasanceProof_MALFEASANCE_ATX                MalfeasanceProof_MalfeasanceType = 1
+	MalfeasanceProof_MALFEASANCE_BALLOT             MalfeasanceProof_MalfeasanceType = 2
+	MalfeasanceProof_MALFEASANCE_HARE               MalfeasanceProof_MalfeasanceType = 3
+	MalfeasanceProof_MALFEASANCE_POST_INDEX         MalfeasanceProof_MalfeasanceType = 4
+	MalfeasanceProof_MALFEASANCE_INCORRECT_PREV_ATX MalfeasanceProof_MalfeasanceType = 5
 )
 
 // Enum value maps for MalfeasanceProof_MalfeasanceType.
@@ -90,13 +91,15 @@ var (
 		2: "MALFEASANCE_BALLOT",
 		3: "MALFEASANCE_HARE",
 		4: "MALFEASANCE_POST_INDEX",
+		5: "MALFEASANCE_INCORRECT_PREV_ATX",
 	}
 	MalfeasanceProof_MalfeasanceType_value = map[string]int32{
-		"MALFEASANCE_UNSPECIFIED": 0,
-		"MALFEASANCE_ATX":         1,
-		"MALFEASANCE_BALLOT":      2,
-		"MALFEASANCE_HARE":        3,
-		"MALFEASANCE_POST_INDEX":  4,
+		"MALFEASANCE_UNSPECIFIED":        0,
+		"MALFEASANCE_ATX":                1,
+		"MALFEASANCE_BALLOT":             2,
+		"MALFEASANCE_HARE":               3,
+		"MALFEASANCE_POST_INDEX":         4,
+		"MALFEASANCE_INCORRECT_PREV_ATX": 5,
 	}
 )
 
@@ -1462,7 +1465,7 @@ var file_spacemesh_v1_types_proto_rawDesc = []byte{
 	0x65, 0x73, 0x68, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x61, 0x63, 0x74, 0x69,
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@@ -1478,7 +1481,7 @@ var file_spacemesh_v1_types_proto_rawDesc = []byte{
 	0x1d, 0x0a, 0x0a, 0x64, 0x65, 0x62, 0x75, 0x67, 0x5f, 0x69, 0x6e, 0x66, 0x6f, 0x18, 0x04, 0x20,
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@@ -1487,18 +1490,21 @@ var file_spacemesh_v1_types_proto_rawDesc = []byte{
 	0x10, 0x02, 0x12, 0x14, 0x0a, 0x10, 0x4d, 0x41, 0x4c, 0x46, 0x45, 0x41, 0x53, 0x41, 0x4e, 0x43,
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+	0x6f, 0x33,
 }
 
 var (
diff --git a/spacemesh/v1/types.proto b/spacemesh/v1/types.proto
index f1ae5fce..2e49f091 100644
--- a/spacemesh/v1/types.proto
+++ b/spacemesh/v1/types.proto
@@ -127,6 +127,7 @@ message MalfeasanceProof {
         MALFEASANCE_BALLOT = 2;
         MALFEASANCE_HARE = 3;
         MALFEASANCE_POST_INDEX = 4;
+        MALFEASANCE_INCORRECT_PREV_ATX = 5;
     }
     MalfeasanceType kind = 3;
     string debug_info = 4;