diff --git a/go.mod b/go.mod
index 680ff42b7fc..751681321e3 100644
--- a/go.mod
+++ b/go.mod
@@ -34,7 +34,7 @@ require (
 	github.com/libp2p/go-tcp-transport v0.2.1
 	github.com/multiformats/go-multiaddr v0.3.1
 	github.com/onflow/cadence v0.10.2
-	github.com/onflow/flow-core-contracts/lib/go/contracts v0.1.1-0.20201002123512-35d751ebea1d
+	github.com/onflow/flow-core-contracts/lib/go/contracts v0.3.1-0.20201122012505-4061d358b8db
 	github.com/onflow/flow-go-sdk v0.12.2
 	github.com/onflow/flow-go/crypto v0.9.4
 	github.com/onflow/flow/protobuf/go/flow v0.1.8
diff --git a/go.sum b/go.sum
index eeab1630101..34ceb377281 100644
--- a/go.sum
+++ b/go.sum
@@ -701,8 +701,8 @@ github.com/onflow/cadence v0.4.0-beta1/go.mod h1:gaPtSctdMzT5NAoJgzsRuwUkdgRswVH
 github.com/onflow/cadence v0.4.0/go.mod h1:gaPtSctdMzT5NAoJgzsRuwUkdgRswVHsRXFNNmCTn3I=
 github.com/onflow/cadence v0.10.2 h1:uBFhdlp0blYCddZTrnCjbLEVl/aYq1/9iP949KxzfbI=
 github.com/onflow/cadence v0.10.2/go.mod h1:ORAnWydDsrefAUazeD1g+l7vjNwEuJAcZ7bMz1KnSbg=
-github.com/onflow/flow-core-contracts/lib/go/contracts v0.1.1-0.20201002123512-35d751ebea1d h1:5DHPRH9rdU93csffCBjhhypyPGnx4nnYsumeynUEltk=
-github.com/onflow/flow-core-contracts/lib/go/contracts v0.1.1-0.20201002123512-35d751ebea1d/go.mod h1:yuFiT2+dZm42smG7XZQlMgZyb31hn5dvLrIDq0/PVc8=
+github.com/onflow/flow-core-contracts/lib/go/contracts v0.3.1-0.20201122012505-4061d358b8db h1:iMuIiGtc9EIE8RVSXHH+qFf/yITMT1yXQtXjFK19OW4=
+github.com/onflow/flow-core-contracts/lib/go/contracts v0.3.1-0.20201122012505-4061d358b8db/go.mod h1:yuFiT2+dZm42smG7XZQlMgZyb31hn5dvLrIDq0/PVc8=
 github.com/onflow/flow-ft/contracts v0.1.3/go.mod h1:IKe3yEurEKpg/J15q5WBlHkuMmt1iRECSHgnIa1gvRw=
 github.com/onflow/flow-ft/lib/go/contracts v0.2.1-0.20201002112420-010719813062 h1:atzsWTUg5NEavUlIv48R+3a6WPvEHu5Prd5FQUYDLaM=
 github.com/onflow/flow-ft/lib/go/contracts v0.2.1-0.20201002112420-010719813062/go.mod h1:Mf//HSOJUSzr4Z7QmW4BZGSweoqlrJJJ92KvKnqGGQk=
diff --git a/integration/go.sum b/integration/go.sum
index 28e351da80f..ded49868d6f 100644
--- a/integration/go.sum
+++ b/integration/go.sum
@@ -774,8 +774,8 @@ github.com/onflow/cadence v0.4.0-beta1/go.mod h1:gaPtSctdMzT5NAoJgzsRuwUkdgRswVH
 github.com/onflow/cadence v0.4.0/go.mod h1:gaPtSctdMzT5NAoJgzsRuwUkdgRswVHsRXFNNmCTn3I=
 github.com/onflow/cadence v0.10.2 h1:uBFhdlp0blYCddZTrnCjbLEVl/aYq1/9iP949KxzfbI=
 github.com/onflow/cadence v0.10.2/go.mod h1:ORAnWydDsrefAUazeD1g+l7vjNwEuJAcZ7bMz1KnSbg=
-github.com/onflow/flow-core-contracts/lib/go/contracts v0.1.1-0.20201002123512-35d751ebea1d h1:5DHPRH9rdU93csffCBjhhypyPGnx4nnYsumeynUEltk=
-github.com/onflow/flow-core-contracts/lib/go/contracts v0.1.1-0.20201002123512-35d751ebea1d/go.mod h1:yuFiT2+dZm42smG7XZQlMgZyb31hn5dvLrIDq0/PVc8=
+github.com/onflow/flow-core-contracts/lib/go/contracts v0.3.1-0.20201122012505-4061d358b8db h1:iMuIiGtc9EIE8RVSXHH+qFf/yITMT1yXQtXjFK19OW4=
+github.com/onflow/flow-core-contracts/lib/go/contracts v0.3.1-0.20201122012505-4061d358b8db/go.mod h1:yuFiT2+dZm42smG7XZQlMgZyb31hn5dvLrIDq0/PVc8=
 github.com/onflow/flow-ft/contracts v0.1.3/go.mod h1:IKe3yEurEKpg/J15q5WBlHkuMmt1iRECSHgnIa1gvRw=
 github.com/onflow/flow-ft/lib/go/contracts v0.2.1-0.20201002112420-010719813062 h1:atzsWTUg5NEavUlIv48R+3a6WPvEHu5Prd5FQUYDLaM=
 github.com/onflow/flow-ft/lib/go/contracts v0.2.1-0.20201002112420-010719813062/go.mod h1:Mf//HSOJUSzr4Z7QmW4BZGSweoqlrJJJ92KvKnqGGQk=