diff --git a/build/ci/golangci.yml b/build/ci/golangci.yml
index 8b3200b7bc..731343ed96 100644
--- a/build/ci/golangci.yml
+++ b/build/ci/golangci.yml
@@ -125,6 +125,7 @@ linters:
     - ineffassign
     - makezero
     - misspell
+    - musttag
     - nakedret
     - nilerr
     - noctx
diff --git a/internal/pkg/service/common/etcdop/op/op_test.go b/internal/pkg/service/common/etcdop/op/op_test.go
index a392f2c6ef..5e0cd7e53e 100644
--- a/internal/pkg/service/common/etcdop/op/op_test.go
+++ b/internal/pkg/service/common/etcdop/op/op_test.go
@@ -21,7 +21,7 @@ type testOp struct {
 }
 
 type testValue struct {
-	Foo string
+	Foo string `json:"foo"`
 }
 
 type opTestCase[R any] struct {
diff --git a/internal/pkg/service/stream/api/mapper/task.go b/internal/pkg/service/stream/api/mapper/task.go
index 9e1253db2a..fd7e058240 100644
--- a/internal/pkg/service/stream/api/mapper/task.go
+++ b/internal/pkg/service/stream/api/mapper/task.go
@@ -56,7 +56,7 @@ func (m *Mapper) NewTaskResponse(entity task.Task) (*api.Task, error) {
 	// Outputs
 	if entity.Outputs != nil {
 		response.Outputs = &api.TaskOutputs{}
-		err := mapstructure.Decode(entity.Outputs, response.Outputs)
+		err := mapstructure.Decode(entity.Outputs, response.Outputs) // nolint: musttag
 		if err != nil {
 			return nil, err
 		}