diff --git a/node/libs/roles/src/proto/attester.proto b/node/libs/roles/src/proto/attester.proto
index 38743353..16e385b1 100644
--- a/node/libs/roles/src/proto/attester.proto
+++ b/node/libs/roles/src/proto/attester.proto
@@ -3,6 +3,7 @@ syntax = "proto3";
 package zksync.roles.attester;
 
 import "zksync/std.proto";
+import public "zksync/roles/validator/keys.proto";
 
 message SyncBatch {
   optional uint64 number = 1; // required
diff --git a/node/libs/roles/src/proto/validator.proto b/node/libs/roles/src/proto/validator.proto
index 969705c6..6765fde5 100644
--- a/node/libs/roles/src/proto/validator.proto
+++ b/node/libs/roles/src/proto/validator.proto
@@ -3,7 +3,7 @@ syntax = "proto3";
 package zksync.roles.validator;
 
 import "zksync/std.proto";
-import "zksync/roles/attester.proto";
+import public "zksync/roles/attester.proto";
 
 message Genesis {
   reserved 1,2;
diff --git a/node/libs/roles/src/proto/validator/keys.proto b/node/libs/roles/src/proto/validator/keys.proto
new file mode 100644
index 00000000..de963372
--- /dev/null
+++ b/node/libs/roles/src/proto/validator/keys.proto
@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+package zksync.roles.validator;
+
+message PublicKeyo {
+  // The name is wrong, it should be bls12_381.
+  optional bytes bn254 = 1; // required
+}