diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 8ec6cdb..d49fb0d 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,4 +1,4 @@
-{% set version = "18.1.3" %}
+{% set version = "18.1.4" %}
 # check https://clang.llvm.org/docs/OpenMPSupport.html
 # occasionally to see last fully supported openmp ver.
 {% set openmp_ver = "4.5" %}
@@ -9,7 +9,7 @@ package:
 
 source:
   url: https://github.com/llvm/llvm-project/releases/download/llvmorg-{{ version.replace(".rc", "-rc") }}/llvm-project-{{ version.replace(".rc", "rc") }}.src.tar.xz
-  sha256: 2929f62d69dec0379e529eb632c40e15191e36f3bd58c2cb2df0413a0dc48651
+  sha256: 2c01b2fbb06819a12a92056a7fd4edcdc385837942b5e5260b9c2c0baff5116b
   # name folder for easier deletion; we do the equivalent of downloading
   # the subproject sources, so the work folder then has openmp in it;
   # for details see build scripts
@@ -40,6 +40,7 @@ outputs:
     requirements:
       build:
         - {{ compiler('cxx') }}
+        - {{ stdlib("c") }}
         - clang  # [win]
         - cmake
         - ninja