diff --git a/x/gov/keeper/vote.go b/x/gov/keeper/vote.go
index 6f19007c043..0bc99653d50 100644
--- a/x/gov/keeper/vote.go
+++ b/x/gov/keeper/vote.go
@@ -48,6 +48,7 @@ func (keeper Keeper) AddVote(ctx context.Context, proposalID uint64, voterAddr s
 	sdkCtx.EventManager().EmitEvent(
 		sdk.NewEvent(
 			types.EventTypeProposalVote,
+			sdk.NewAttribute(types.AttributeKeyVoter, voterAddr.String()),
 			sdk.NewAttribute(types.AttributeKeyOption, options.String()),
 			sdk.NewAttribute(types.AttributeKeyProposalID, fmt.Sprintf("%d", proposalID)),
 		),
diff --git a/x/gov/types/events.go b/x/gov/types/events.go
index c7f895234f0..96ccc5577e3 100644
--- a/x/gov/types/events.go
+++ b/x/gov/types/events.go
@@ -10,6 +10,7 @@ const (
 	EventTypeCancelProposal   = "cancel_proposal"
 
 	AttributeKeyProposalResult              = "proposal_result"
+	AttributeKeyVoter                       = "voter"
 	AttributeKeyOption                      = "option"
 	AttributeKeyProposalID                  = "proposal_id"
 	AttributeKeyProposalMessages            = "proposal_messages" // Msg type_urls in the proposal