diff --git a/x/committee/alias.go b/x/committee/alias.go
index c326312b..524448dc 100644
--- a/x/committee/alias.go
+++ b/x/committee/alias.go
@@ -12,6 +12,7 @@ const (
 	AttributeKeyCommitteeID         = types.AttributeKeyCommitteeID
 	AttributeKeyProposalCloseStatus = types.AttributeKeyProposalCloseStatus
 	AttributeKeyProposalID          = types.AttributeKeyProposalID
+	AttributeKeyVoter               = types.AttributeKeyVoter
 	AttributeValueCategory          = types.AttributeValueCategory
 	AttributeValueProposalFailed    = types.AttributeValueProposalFailed
 	AttributeValueProposalPassed    = types.AttributeValueProposalPassed
diff --git a/x/committee/keeper/proposal.go b/x/committee/keeper/proposal.go
index 47fbd8b4..46ac5b9e 100644
--- a/x/committee/keeper/proposal.go
+++ b/x/committee/keeper/proposal.go
@@ -74,6 +74,7 @@ func (k Keeper) AddVote(ctx sdk.Context, proposalID uint64, voter sdk.AccAddress
 			types.EventTypeProposalVote,
 			sdk.NewAttribute(types.AttributeKeyCommitteeID, fmt.Sprintf("%d", com.ID)),
 			sdk.NewAttribute(types.AttributeKeyProposalID, fmt.Sprintf("%d", pr.ID)),
+			sdk.NewAttribute(types.AttributeKeyVoter, voter.String()),
 		),
 	)
 	return nil
diff --git a/x/committee/types/events.go b/x/committee/types/events.go
index 8ccbf667..777256a9 100644
--- a/x/committee/types/events.go
+++ b/x/committee/types/events.go
@@ -10,6 +10,7 @@ const (
 	AttributeKeyCommitteeID         = "committee_id"
 	AttributeKeyProposalID          = "proposal_id"
 	AttributeKeyProposalCloseStatus = "status"
+	AttributeKeyVoter               = "voter"
 	AttributeValueProposalPassed    = "proposal_passed"
 	AttributeValueProposalTimeout   = "proposal_timeout"
 	AttributeValueProposalFailed    = "proposal_failed"