diff --git a/Project.toml b/Project.toml
index a84783d..b62012b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Malt"
 uuid = "36869731-bdee-424d-aa32-cab38c994e3b"
 authors = ["Sergio Alejandro Vargas <savargasqu+git@unal.edu.co>"]
-version = "1.0.2"
+version = "1.0.3"
 
 [deps]
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
diff --git a/src/Malt.jl b/src/Malt.jl
index 7b29d56..57dd56b 100644
--- a/src/Malt.jl
+++ b/src/Malt.jl
@@ -217,7 +217,7 @@ end
 const src_path = RelocatableFolders.@path @__DIR__
 
 function _get_worker_cmd(exe=Base.julia_cmd()[1]; env, exeflags)
-    return addenv(`$exe --startup-file=no $exeflags $(joinpath(src_path, "worker.jl"))`, Base.byteenv(env))
+    return addenv(`$exe --startup-file=no $exeflags $(joinpath(src_path, "worker.jl"))`, String["OPENBLAS_NUM_THREADS=1", Base.byteenv(env)...])
 end