diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index de54eeec5..7d3491235 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -37,7 +37,7 @@ requirements:
     - pygit2
     - aiohttp
     - binutils-or1k-linux
-    - pythonparser
+    - pythonparser 0.0 py_6
     - levenshtein
 
 test: