diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index 82e896dba..510c130c4 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -37,6 +37,7 @@ requirements:
     - binutils-or1k-linux
   run:
     - python >=3.5.1
+    - llvm-or1k 3.5.*
     - llvmlite-artiq
     - scipy
     - numpy