diff --git a/udemy/HandsOngRPC/proto/Taskfile.yml b/udemy/HandsOngRPC/proto/Taskfile.yml
index 8c7366959..03c052657 100644
--- a/udemy/HandsOngRPC/proto/Taskfile.yml
+++ b/udemy/HandsOngRPC/proto/Taskfile.yml
@@ -21,9 +21,15 @@ tasks:
     cmds:
       - protoc --go_out=. --go-grpc_out=. ./bank/type/*.proto ./bank/*.proto
       - go mod tidy
+  build_resiliency:
+    dir: '.'
+    cmds:
+      - protoc --go_out=. --go-grpc_out=. ./resiliency/type/*.proto ./resiliency/*.proto
+      - go mod tidy
   build:
     cmds:
       - task build_hello
       - task build_payment
       - task build_transaction
       - task build_bank
+      - task build_resiliency
diff --git a/udemy/HandsOngRPC/proto/resiliency/service.proto b/udemy/HandsOngRPC/proto/resiliency/service.proto
new file mode 100644
index 000000000..e775a7316
--- /dev/null
+++ b/udemy/HandsOngRPC/proto/resiliency/service.proto
@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+package resiliency;
+
+import "resiliency/type/resiliency.proto";
+
+option go_package = "protogen/go/resiliency";
+
+service ResiliencyService {
+  rpc GetResiliency(ResiliencyRequest) returns (ResiliencyResponse);
+
+  rpc GetResiliencyStream(ResiliencyRequest) 
+  returns (stream ResiliencyResponse);
+
+  rpc SendResiliencyStream(stream ResiliencyRequest)
+  returns (ResiliencyResponse);
+
+  rpc BidirectionalResiliencyStream(stream ResiliencyRequest)
+  returns (stream ResiliencyResponse);
+
+}
\ No newline at end of file
diff --git a/udemy/HandsOngRPC/proto/resiliency/type/resiliency.proto b/udemy/HandsOngRPC/proto/resiliency/type/resiliency.proto
new file mode 100644
index 000000000..e19f8473b
--- /dev/null
+++ b/udemy/HandsOngRPC/proto/resiliency/type/resiliency.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package resiliency;
+
+option go_package = "protogen/go/resiliency";
+
+message ResiliencyRequest {
+  int32 min_delay_second = 1;
+  int32 max_delay_second = 2;
+  repeated uint32 status_codes = 3;
+}
+
+message ResiliencyResponse  {
+  string response = 1;
+  unit32 status_code = 2;
+}
\ No newline at end of file