diff --git a/go.mod b/go.mod
index 27be06a5bf..45ed6b0fb5 100644
--- a/go.mod
+++ b/go.mod
@@ -23,3 +23,5 @@ require (
 )
 
 replace github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.2-alpha.regen.4
+
+replace github.com/cosmos/cosmos-sdk => github.com/riccardom/cosmos-sdk v0.40.2-0.20210209091857-c77c6ac2a34a
diff --git a/go.sum b/go.sum
index a0930edaaa..15ff141920 100644
--- a/go.sum
+++ b/go.sum
@@ -104,8 +104,6 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cosmos/cosmos-sdk v0.40.1 h1:gjrtV3MQj/CMeyXN4+sosHMG6Xwa2uH6HITSjSNL/0E=
-github.com/cosmos/cosmos-sdk v0.40.1/go.mod h1:vlgqdPpUGSxgqSbZea6fjszoLkPKwCuiqSBySLlv4ro=
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fjHb6JFYmeUnDORVwHNkDxaQ0ctCVU=
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d/go.mod h1:tSxLoYXyBmiFeKpvmq4dzayMdCjCnu8uqmCysIGBT2Y=
 github.com/cosmos/go-bip39 v1.0.0 h1:pcomnQdrdH22njcAatO0yWojsUnCO3y2tNoV1cb6hHY=
@@ -493,6 +491,8 @@ github.com/regen-network/cosmos-proto v0.3.1 h1:rV7iM4SSFAagvy8RiyhiACbWEGotmqzy
 github.com/regen-network/cosmos-proto v0.3.1/go.mod h1:jO0sVX6a1B36nmE8C9xBFXpNwWejXC7QqCOnH3O0+YM=
 github.com/regen-network/protobuf v1.3.2-alpha.regen.4 h1:c9jEnU+xm6vqyrQe3M94UFWqiXxRIKKnqBOh2EACmBE=
 github.com/regen-network/protobuf v1.3.2-alpha.regen.4/go.mod h1:/J8/bR1T/NXyIdQDLUaq15LjNE83nRzkyrLAMcPewig=
+github.com/riccardom/cosmos-sdk v0.40.2-0.20210209091857-c77c6ac2a34a h1:+yZQ8Lrmz1qY2DZaG+c/0Ny7b1gt1M493KVSfOi6zeg=
+github.com/riccardom/cosmos-sdk v0.40.2-0.20210209091857-c77c6ac2a34a/go.mod h1:vlgqdPpUGSxgqSbZea6fjszoLkPKwCuiqSBySLlv4ro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=