diff --git a/.gitignore b/.gitignore
index dc31b59..d7bf177 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 __pycache__/
+/build/
+/dist/
 dist
 *.egg-info
diff --git a/socials_util/__init__.py b/socials_util/__init__.py
index beb1c34..d24caba 100644
--- a/socials_util/__init__.py
+++ b/socials_util/__init__.py
@@ -55,6 +55,7 @@ class SocialSiteId(enum.Enum):
     BLUESKY_PROFILE = 32
     ITCH_IO_DEVELOPER = 8176
     FIREFOX_PROFILE_BOOKMARKS = 33
+    COHOST_PROFILE = 117203288
 
     def wikidata_property(self, client):
         return client.get(WIKIDATA_PROPERTIES[self])
@@ -123,6 +124,7 @@ WIKIDATA_PROPERTIES = {
     SocialSiteId.BANDCAMP_PROFILE: WikidataInfo(3283, 545966),
     SocialSiteId.BLUESKY_PROFILE: WikidataInfo(None, 78194383),
     SocialSiteId.ITCH_IO_DEVELOPER: WikidataInfo(8176, 22905933),
+    SocialSiteId.COHOST_PROFILE: WikidataInfo(None, 117203288),
 }
 
 def re_social_subdomain(main_domain):
@@ -190,6 +192,7 @@ URL_PARSE_DANBOORU_ARTIST = re_social_path_adv('danbooru.donmai.us', 'artists',
 URL_PARSE_BANDCAMP = re_social_subdomain('bandcamp.com')
 URL_PARSE_BLUESKY = re_social_path_adv('bsky.app', 'profile', RE_ID)
 URL_PARSE_ITCH_IO_DEVELOPER = re_social_subdomain('itch.io')
+URL_PARSE_COHOST = re_social_path_adv('cohost.org', RE_ID)
 
 REGEXES = [
     # Reddit
@@ -290,6 +293,9 @@ REGEXES = [
 
     # Itch.io
     (URL_PARSE_ITCH_IO_DEVELOPER, SocialSiteId.ITCH_IO_DEVELOPER),
+
+    # Cohost
+    (URL_PARSE_COHOST, SocialSiteId.COHOST_PROFILE),
 ]
 
 WELL_KNOWN_MASTODON_INSTANCES = frozenset({
@@ -345,32 +351,3 @@ def determine_social_from_url(url):
         return None
     return SocialLink(url, social_site_id, social_id)
 
-def run_tests():
-    assert determine_social_from_url('http://www.twitter.com/dril').social_id == 'dril'
-    assert determine_social_from_url('http://worstdril.tumblr.com/')
-    assert determine_social_from_url('https://deep-dark-fears.tumblr.com').social_id == 'deep-dark-fears'
-    assert determine_social_from_url('https://www.etsy.com/shop/aleksiremesart').social_id == 'aleksiremesart'
-    assert determine_social_from_url('https://ko-fi.com/A627LI1/shop').social_id == 'A627LI1'
-    assert determine_social_from_url('https://ko-fi.com/A627LI1/').social_id == 'A627LI1'
-    assert determine_social_from_url('https://www.facebook.com/fredagscafeen.dk/').social_id == 'fredagscafeen.dk'
-    assert determine_social_from_url('https://www.tiktok.com/@depthsofwikipedia?lang=en').social_id == 'depthsofwikipedia'
-    assert determine_social_from_url('https://www.pixiv.net/users/14866303').social_id == '14866303'
-    assert determine_social_from_url('https://www.pixiv.net/member.php?id=109710').social_id == '109710'
-    assert determine_social_from_url('https://www.deviantart.com/solquiet').social_site_id == SocialSiteId.DEVIANT_ART_ACCOUNT
-    assert determine_social_from_url('https://solquiet.deviantart.com/').social_site_id == SocialSiteId.DEVIANT_ART_ACCOUNT
-
-    INSTAGRAMS = [
-        'https://instagram.com/_richardparry_',
-        'https://instagram.com/j_kmor/',
-        'https://instagram.com/cullensartbox/',
-        'https://www.instagram.com/timkongart/',
-        'https://www.instagram.com/kcn.wu/',
-        'https://www.instagram.com/itsbettyjiang',
-    ]
-
-    for ig in INSTAGRAMS:
-        assert determine_social_from_url(ig).social_site_id == SocialSiteId.INSTAGRAM_PAGE
-
-TEST = True
-if TEST:
-    run_tests()
diff --git a/test/test_parsing.py b/test/test_parsing.py
new file mode 100644
index 0000000..1d3d1e2
--- /dev/null
+++ b/test/test_parsing.py
@@ -0,0 +1,30 @@
+
+from socials_util import *
+
+def test_parsing():
+    assert determine_social_from_url('http://www.twitter.com/dril').social_id == 'dril'
+    assert determine_social_from_url('http://worstdril.tumblr.com/')
+    assert determine_social_from_url('https://deep-dark-fears.tumblr.com').social_id == 'deep-dark-fears'
+    assert determine_social_from_url('https://www.etsy.com/shop/aleksiremesart').social_id == 'aleksiremesart'
+    assert determine_social_from_url('https://ko-fi.com/A627LI1/shop').social_id == 'A627LI1'
+    assert determine_social_from_url('https://ko-fi.com/A627LI1/').social_id == 'A627LI1'
+    assert determine_social_from_url('https://www.facebook.com/fredagscafeen.dk/').social_id == 'fredagscafeen.dk'
+    assert determine_social_from_url('https://www.tiktok.com/@depthsofwikipedia?lang=en').social_id == 'depthsofwikipedia'
+    assert determine_social_from_url('https://www.pixiv.net/users/14866303').social_id == '14866303'
+    assert determine_social_from_url('https://www.pixiv.net/member.php?id=109710').social_id == '109710'
+    assert determine_social_from_url('https://www.deviantart.com/solquiet').social_site_id == SocialSiteId.DEVIANT_ART_ACCOUNT
+    assert determine_social_from_url('https://solquiet.deviantart.com/').social_site_id == SocialSiteId.DEVIANT_ART_ACCOUNT
+    assert determine_social_from_url('https://cohost.org/example').social_site_id == SocialSiteId.COHOST_PROFILE
+
+    INSTAGRAMS = [
+        'https://instagram.com/_richardparry_',
+        'https://instagram.com/j_kmor/',
+        'https://instagram.com/cullensartbox/',
+        'https://www.instagram.com/timkongart/',
+        'https://www.instagram.com/kcn.wu/',
+        'https://www.instagram.com/itsbettyjiang',
+    ]
+
+    for ig in INSTAGRAMS:
+        assert determine_social_from_url(ig).social_site_id == SocialSiteId.INSTAGRAM_PAGE
+