diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index 82e896dba..ab2aec2a6 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -41,7 +41,7 @@ requirements:
     - scipy
     - numpy
     - prettytable
-    - pyserial
+    - asyncserial
     - sphinx
     - sphinx-argparse
     - h5py
diff --git a/setup.py b/setup.py
index 6da010b70..9a09d88b0 100755
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ if sys.version_info[:3] < (3, 5, 1):
 
 # Depends on PyQt5, but setuptools cannot check for it.
 requirements = [
-    "sphinx", "sphinx-argparse", "pyserial", "numpy", "scipy",
+    "sphinx", "sphinx-argparse", "asyncserial", "numpy", "scipy",
     "python-dateutil", "prettytable", "h5py",
     "quamash", "pyqtgraph", "pygit2", "aiohttp",
     "llvmlite_artiq", "pythonparser", "python-Levenshtein",