diff --git a/proto/interchain_security/ccv/consumer/v1/consumer.proto b/proto/interchain_security/ccv/consumer/v1/consumer.proto
index 8f095cfcfc..b190b02f34 100644
--- a/proto/interchain_security/ccv/consumer/v1/consumer.proto
+++ b/proto/interchain_security/ccv/consumer/v1/consumer.proto
@@ -50,3 +50,8 @@ message SlashRequest {
     interchain_security.ccv.v1.SlashPacketData packet = 1;
     cosmos.staking.v1beta1.InfractionType infraction = 2;
 }
+
+// SlashRequests is a list of slash requests for CCV consumer module
+message SlashRequests {
+  repeated SlashRequest requests = 1;
+}
diff --git a/proto/interchain_security/ccv/provider/v1/provider.proto b/proto/interchain_security/ccv/provider/v1/provider.proto
index b1cc640fd0..01ded5d390 100644
--- a/proto/interchain_security/ccv/provider/v1/provider.proto
+++ b/proto/interchain_security/ccv/provider/v1/provider.proto
@@ -64,3 +64,9 @@ message HandshakeMetadata {
   string provider_fee_pool_addr = 1;
   string version                = 2;
 }
+
+// SlashAcks contains addesses of consumer chain validators
+// successfully slashed on the provider chain
+message SlashAcks {
+  repeated string addresses = 1;
+}
\ No newline at end of file
diff --git a/proto/interchain_security/ccv/v1/ccv.proto b/proto/interchain_security/ccv/v1/ccv.proto
index fd7c64f96d..1e5499d81d 100644
--- a/proto/interchain_security/ccv/v1/ccv.proto
+++ b/proto/interchain_security/ccv/v1/ccv.proto
@@ -46,3 +46,13 @@ message SlashPacketData {
   // tell if the slashing is for a downtime or a double-signing infraction
   cosmos.staking.v1beta1.InfractionType infraction = 3;
 }
+
+// UnbondingOpsIndex defines a list of unbonding operation ids.
+message UnbondingOpsIndex {
+  repeated uint64 ids = 1;
+}
+
+// MaturedUnbondingOps defines a list of ids corresponding to ids of matured unbonding operations. 
+message MaturedUnbondingOps {
+  repeated uint64 ids = 1;
+}