diff --git a/conda/artiq-dev/meta.yaml b/conda/artiq-dev/meta.yaml
index d8ed5e807..f400fe87e 100644
--- a/conda/artiq-dev/meta.yaml
+++ b/conda/artiq-dev/meta.yaml
@@ -15,7 +15,7 @@ requirements:
     - python 3.5.2
     - setuptools
     - migen 0.5.dev py_57+gitd4afdeb
-    - misoc 0.6.dev py_16+git7887a60
+    - misoc 0.6.dev py_15+git6136b97
     - jesd204b 0.2
     - binutils-or1k-linux >=2.27
     - llvm-or1k