diff --git a/go.mod b/go.mod
index e12fe23..35233b8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/nspcc-dev/neofs-contract
 
-go 1.12
+go 1.13
 
-require github.com/nspcc-dev/neo-go v0.92.0
+require github.com/nspcc-dev/neo-go v0.93.0-pre.0.20210211114309-2ee755e09fcd
diff --git a/go.sum b/go.sum
index 4e0ae06..73b8048 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,9 @@ github.com/DataDog/zstd v1.4.1 h1:3oxKN3wbHibqx897utPC2LTQU4J+IHWWJO+glkAkpFM=
 github.com/DataDog/zstd v1.4.1/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/PaesslerAG/gval v1.0.0/go.mod h1:y/nm5yEyTeX6av0OfKJNp9rBNj2XrGhAf5+v24IBN1I=
+github.com/PaesslerAG/jsonpath v0.1.0/go.mod h1:4BzmtoM/PI8fPO4aQGIusjGxGir2BzcV0grWtFzq1Y8=
+github.com/PaesslerAG/jsonpath v0.1.1/go.mod h1:lVboNxFGal/VwW6d9JzIy56bUsYAP6tH/x80vjnCseY=
 github.com/Workiva/go-datastructures v1.0.50 h1:slDmfW6KCHcC7U+LP3DDBbm4fqTwZGn1beOFPfGaLvo=
 github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3UkzuWYS/oBZz5a7VVA=
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
@@ -128,9 +131,14 @@ github.com/nspcc-dev/dbft v0.0.0-20191209120240-0d6b7568d9ae/go.mod h1:3FjXOoHmA
 github.com/nspcc-dev/dbft v0.0.0-20200117124306-478e5cfbf03a/go.mod h1:/YFK+XOxxg0Bfm6P92lY5eDSLYfp06XOdL8KAVgXjVk=
 github.com/nspcc-dev/dbft v0.0.0-20200219114139-199d286ed6c1/go.mod h1:O0qtn62prQSqizzoagHmuuKoz8QMkU3SzBoKdEvm3aQ=
 github.com/nspcc-dev/dbft v0.0.0-20201221101812-e13a1a1c3cb2/go.mod h1:I5D0W3tu3epdt2RMCTxS//HDr4S+OHRqajouQTOAHI8=
+github.com/nspcc-dev/dbft v0.0.0-20210122071512-d9a728094f0d/go.mod h1:I5D0W3tu3epdt2RMCTxS//HDr4S+OHRqajouQTOAHI8=
 github.com/nspcc-dev/neo-go v0.73.1-pre.0.20200303142215-f5a1b928ce09/go.mod h1:pPYwPZ2ks+uMnlRLUyXOpLieaDQSEaf4NM3zHVbRjmg=
 github.com/nspcc-dev/neo-go v0.92.0 h1:iKHpKLzpwE6RSXnQb0BoYWi+H1P/hNyQbMpPG0mY57Q=
 github.com/nspcc-dev/neo-go v0.92.0/go.mod h1:L7PyTzjK1j/PCAxvbKiVFkCMZDvsv82JbXlPxaH1t0Q=
+github.com/nspcc-dev/neo-go v0.93.0-pre.0.20210208141009-71494e6ae449 h1:gfsr6+gMlubk5thusHkRHCNptIZT4AOnIWW/oUBbL/8=
+github.com/nspcc-dev/neo-go v0.93.0-pre.0.20210208141009-71494e6ae449/go.mod h1:6D4NY4Bs1OTan3VdLvAuy9kGt460/2dsfHcthQGS+QU=
+github.com/nspcc-dev/neo-go v0.93.0-pre.0.20210211114309-2ee755e09fcd h1:4zMEQ+xVaa6oEnzzHOlRwwRQMdze/so7YpjjE8bfkPI=
+github.com/nspcc-dev/neo-go v0.93.0-pre.0.20210211114309-2ee755e09fcd/go.mod h1:6D4NY4Bs1OTan3VdLvAuy9kGt460/2dsfHcthQGS+QU=
 github.com/nspcc-dev/neofs-crypto v0.2.0/go.mod h1:F/96fUzPM3wR+UGsPi3faVNmFlA9KAEAUQR7dMxZmNA=
 github.com/nspcc-dev/neofs-crypto v0.2.3/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/rfc6979 v0.1.0/go.mod h1:exhIh1PdpDC5vQmyEsGvc4YDM/lyQp/452QxGq/UEso=