diff --git a/bindep/depends.py b/bindep/depends.py
index 3853251..5026a0b 100644
--- a/bindep/depends.py
+++ b/bindep/depends.py
@@ -22,7 +22,7 @@ from parsley import makeGrammar
 import platform
 import subprocess
 import sys
-from packaging.version import parse as as_ver
+from packaging.version import InvalidVersion, parse as as_ver
 import distro
 
 
@@ -327,7 +327,13 @@ class Depends(object):
         # NOTE(toabctl): distro can be more than one string (i.e. "SUSE LINUX")
         codename = distro.codename().lower()
         release = distro.version().lower()
-        release_version = as_ver(release)
+        try:
+            release_version = as_ver(release)
+        except InvalidVersion:
+            # Rolling releases like Arch and Manjaro have no
+            # version. Ignore it and fail later if we actually need
+            # to check versions
+            release_version = None
         # NOTE(toabctl): space is a delimiter for bindep, so remove the spaces
         distro_id = "".join(distro_id.split()).lower()
         atoms = set([distro_id])
diff --git a/requirements.txt b/requirements.txt
index 7a3dc49..2431d42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ distro<1.7.0 ; python_version < '3.6'
 distro>=1.7.0 ; python_version >= '3.6'
 pbr>=2.0.0  # Apache-2.0
 Parsley
-packaging<22.0 ; python_version >= '3.6'
+packaging ; python_version >= '3.6'
 packaging<21.0 ; python_version < '3.6'