diff --git a/pkg/codegen/pcl/binder_component.go b/pkg/codegen/pcl/binder_component.go
index b68102e8d551..4be7c0c4bd8c 100644
--- a/pkg/codegen/pcl/binder_component.go
+++ b/pkg/codegen/pcl/binder_component.go
@@ -159,6 +159,7 @@ func ComponentProgramBinderFromFileSystem() ComponentProgramBinder {
 					diagnostics = diagnostics.Append(errorf(nodeRange, err.Error()))
 					return nil, diagnostics, err
 				}
+				defer file.Close()
 
 				err = parser.ParseFile(file, fileName)
 				if err != nil {