diff --git a/common/version.go b/common/version.go
index ef2b872..772ab81 100644
--- a/common/version.go
+++ b/common/version.go
@@ -44,3 +44,8 @@ func AppendVersion(data any) []interface{} {
 	}
 	return append(data.([]any), Version)
 }
+
+// GetVersion returns version as int by major, minor, patch.
+func GetVersion(major, minor, patch int) int {
+	return major*1_000_000 + minor*1_000 + patch
+}
diff --git a/frostfsid/frostfsid_contract.go b/frostfsid/frostfsid_contract.go
index 80991fb..f177522 100644
--- a/frostfsid/frostfsid_contract.go
+++ b/frostfsid/frostfsid_contract.go
@@ -134,6 +134,22 @@ func _deploy(data any, isUpdate bool) {
 				storage.Put(ctx, address, true)
 			}
 		}
+
+		if args.version < common.GetVersion(0, 21, 2) {
+			maxGroupID := 0
+			it := storage.Find(ctx, groupKeysPrefix, storage.ValuesOnly)
+			for iterator.Next(it) {
+				groupRaw := iterator.Value(it)
+				group := std.Deserialize(groupRaw.([]byte)).(Group)
+				if group.ID > maxGroupID {
+					maxGroupID = group.ID
+				}
+			}
+
+			storage.Put(ctx, groupCounterKey, maxGroupID)
+		}
+
+		return
 	}
 
 	storage.Put(ctx, groupCounterKey, 0)
diff --git a/tests/frostfsid_test.go b/tests/frostfsid_test.go
index 72be569..9706093 100644
--- a/tests/frostfsid_test.go
+++ b/tests/frostfsid_test.go
@@ -1,7 +1,9 @@
 package tests
 
 import (
+	"encoding/json"
 	"errors"
+	"fmt"
 	"path"
 	"testing"
 
@@ -656,6 +658,53 @@ func TestAdditionalKeyFromPrimarySubject(t *testing.T) {
 	invoker.Invoke(t, stackitem.Null{}, createSubjectMethod, defaultNamespace, subjFPrimaryKey.PublicKey().Bytes())
 }
 
+func TestFrostFSIS_GroupsAfterUpdate(t *testing.T) {
+	countNamesepce := 2
+	f := newFrostFSIDInvoker(t)
+	invoker := f.OwnerInvoker()
+
+	groupid := int64(1)
+
+	for i := range countNamesepce {
+		namespace := fmt.Sprintf("nm_%d", i)
+		invoker.Invoke(t, stackitem.Null{}, createNamespaceMethod, namespace)
+	}
+
+	for i := range 5 {
+		namespace := fmt.Sprintf("nm_%d", i%2)
+		groupName := fmt.Sprintf("group_%d", groupid)
+
+		invoker.Invoke(t, stackitem.Make(groupid), createGroupMethod, namespace, groupName)
+		s, err := invoker.TestInvoke(t, getGroupIDByNameMethod, namespace, groupName)
+		checkGroupIDResult(t, s, err, groupid)
+		groupid++
+	}
+
+	args := make([]any, 2)
+	args[0] = f.owner.ScriptHash()
+	args[1] = 21 * 1_000
+
+	c := neotest.CompileFile(t, f.e.CommitteeHash, frostfsidPath, path.Join(frostfsidPath, "config.yml"))
+
+	nef, err := c.NEF.Bytes()
+	require.NoError(t, err)
+
+	manifest, err := json.Marshal(c.Manifest)
+	require.NoError(t, err)
+
+	f.CommitteeInvoker().Invoke(t, stackitem.Null{}, "update", nef, manifest, args)
+
+	for i := range 5 {
+		namespace := fmt.Sprintf("nm_%d", i%2)
+		groupName := fmt.Sprintf("group_%d", groupid)
+
+		invoker.Invoke(t, stackitem.Make(groupid), createGroupMethod, namespace, groupName)
+		s, err := invoker.TestInvoke(t, getGroupIDByNameMethod, namespace, groupName)
+		checkGroupIDResult(t, s, err, groupid)
+		groupid++
+	}
+}
+
 func checkPublicKeyResult(t *testing.T, s *vm.Stack, err error, key *keys.PrivateKey) {
 	if key == nil {
 		require.ErrorContains(t, err, "not found")