diff --git a/alphabet/alphabet_contract.go b/alphabet/alphabet_contract.go
index 1afbddf..9a93512 100644
--- a/alphabet/alphabet_contract.go
+++ b/alphabet/alphabet_contract.go
@@ -21,8 +21,6 @@ const (
 	nameKey  = "name"
 
 	notaryDisabledKey = "notary"
-
-	version = 1
 )
 
 // OnNEP17Payment is a callback for NEP-17 compatible native GAS and NEO
@@ -270,5 +268,5 @@ func Name() string {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
diff --git a/audit/audit_contract.go b/audit/audit_contract.go
index fb02385..a3f459d 100644
--- a/audit/audit_contract.go
+++ b/audit/audit_contract.go
@@ -36,8 +36,6 @@ func (a auditHeader) ID() []byte {
 }
 
 const (
-	version = 1
-
 	netmapContractKey = "netmapScriptHash"
 
 	notaryDisabledKey = "notary"
@@ -212,7 +210,7 @@ loop:
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 // readNext reads length from first byte and then reads data (max 127 bytes).
diff --git a/balance/balance_contract.go b/balance/balance_contract.go
index 066e398..7213b4f 100644
--- a/balance/balance_contract.go
+++ b/balance/balance_contract.go
@@ -38,7 +38,6 @@ const (
 	symbol      = "NEOFS"
 	decimals    = 12
 	circulation = "MainnetGAS"
-	version     = 1
 
 	netmapContractKey    = "netmapScriptHash"
 	containerContractKey = "containerScriptHash"
@@ -431,7 +430,7 @@ func Burn(from interop.Hash160, amount int, txDetails []byte) {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 // getSupply gets the token totalSupply value from VM storage.
diff --git a/common/version.go b/common/version.go
new file mode 100644
index 0000000..f599460
--- /dev/null
+++ b/common/version.go
@@ -0,0 +1,9 @@
+package common
+
+const (
+	major = 0
+	minor = 10
+	patch = 1
+
+	Version = major*1_000_000 + minor*1_000 + patch
+)
diff --git a/container/container_contract.go b/container/container_contract.go
index 17c6734..69ac1f4 100644
--- a/container/container_contract.go
+++ b/container/container_contract.go
@@ -43,8 +43,6 @@ type (
 )
 
 const (
-	version = 1
-
 	neofsIDContractKey = "identityScriptHash"
 	balanceContractKey = "balanceScriptHash"
 	netmapContractKey  = "netmapScriptHash"
@@ -556,7 +554,7 @@ func StopContainerEstimation(epoch int) {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 func addContainer(ctx storage.Context, id, owner []byte, container Container) {
diff --git a/neofs/neofs_contract.go b/neofs/neofs_contract.go
index abe5534..7141955 100644
--- a/neofs/neofs_contract.go
+++ b/neofs/neofs_contract.go
@@ -24,8 +24,6 @@ const (
 	candidateFeeConfigKey = "InnerRingCandidateFee"
 	withdrawFeeConfigKey  = "WithdrawFee"
 
-	version = 3
-
 	alphabetKey       = "alphabet"
 	candidatesKey     = "candidates"
 	notaryDisabledKey = "notary"
@@ -560,7 +558,7 @@ func InitConfig(args [][]byte) {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 // getNodes returns deserialized slice of nodes from storage.
diff --git a/neofsid/neofsid_contract.go b/neofsid/neofsid_contract.go
index 1772941..eafa72c 100644
--- a/neofsid/neofsid_contract.go
+++ b/neofsid/neofsid_contract.go
@@ -18,8 +18,6 @@ type (
 )
 
 const (
-	version = 1
-
 	netmapContractKey    = "netmapScriptHash"
 	containerContractKey = "containerScriptHash"
 	notaryDisabledKey    = "notary"
@@ -235,7 +233,7 @@ func Key(owner []byte) [][]byte {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 func getUserInfo(ctx storage.Context, key interface{}) UserInfo {
diff --git a/netmap/netmap_contract.go b/netmap/netmap_contract.go
index d1c4f41..dce982d 100644
--- a/netmap/netmap_contract.go
+++ b/netmap/netmap_contract.go
@@ -32,8 +32,6 @@ type (
 )
 
 const (
-	version = 1
-
 	configuredKey     = "initconfig"
 	notaryDisabledKey = "notary"
 	innerRingKey      = "innerring"
@@ -534,7 +532,7 @@ func ListConfig() []record {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 func addToNetmap(ctx storage.Context, n storageNode) {
diff --git a/processing/processing_contract.go b/processing/processing_contract.go
index bdeafad..28c71ac 100644
--- a/processing/processing_contract.go
+++ b/processing/processing_contract.go
@@ -11,8 +11,6 @@ import (
 )
 
 const (
-	version = 1
-
 	neofsContractKey = "neofsScriptHash"
 
 	multiaddrMethod = "alphabetAddress"
@@ -79,5 +77,5 @@ func Verify() bool {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
diff --git a/proxy/proxy_contract.go b/proxy/proxy_contract.go
index 44ad859..961808a 100644
--- a/proxy/proxy_contract.go
+++ b/proxy/proxy_contract.go
@@ -12,8 +12,6 @@ import (
 )
 
 const (
-	version = 1
-
 	netmapContractKey = "netmapScriptHash"
 )
 
@@ -82,5 +80,5 @@ func Verify() bool {
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
diff --git a/reputation/reputation_contract.go b/reputation/reputation_contract.go
index 7debcda..8b5375f 100644
--- a/reputation/reputation_contract.go
+++ b/reputation/reputation_contract.go
@@ -13,8 +13,6 @@ import (
 
 const (
 	notaryDisabledKey = "notary"
-
-	version = 1
 )
 
 func _deploy(data interface{}, isUpdate bool) {
@@ -162,7 +160,7 @@ loop:
 
 // Version returns version of the contract.
 func Version() int {
-	return version
+	return common.Version
 }
 
 func storageID(epoch int, peerID []byte) []byte {