diff --git a/crypto/crypto.go b/crypto/crypto.go
index cce7a5ebe5..9302c96fab 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -189,6 +189,9 @@ func UnmarshalPubkey(pub []byte) (*ecdsa.PublicKey, error) {
 	if x == nil {
 		return nil, errInvalidPubkey
 	}
+	if !S256().IsOnCurve(x, y) {
+		return nil, errInvalidPubkey
+	}
 
 	return &ecdsa.PublicKey{Curve: S256(), X: x, Y: y}, nil
 }
diff --git a/params/version.go b/params/version.go
index 03cd330b7d..c139179f0f 100644
--- a/params/version.go
+++ b/params/version.go
@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 1  // Major version component of the current release
 	VersionMinor = 5  // Minor version component of the current release
-	VersionPatch = 4  // Patch version component of the current release
+	VersionPatch = 5  // Patch version component of the current release
 	VersionMeta  = "" // Version metadata to append to the version string
 )