diff --git a/pyproject.toml b/pyproject.toml
index cf51b84..caf869b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
 	"aiohttp >= 3.9.5",
 	"aiohttp-swagger[performance] == 1.0.16",
 	"argon2-cffi == 23.1.0",
-	"barkshark-lib >= 0.1.3",
+	"barkshark-lib >= 0.1.3-1",
 	"barkshark-sql == 0.1.4-1",
 	"click >= 8.1.2",
 	"hiredis == 2.3.2",
@@ -88,4 +88,21 @@ warn_redundant_casts = true
 warn_unreachable = true
 warn_unused_ignores = true
 ignore_missing_imports = true
+implicit_reexport = true
 follow_imports = "silent"
+
+[[tool.mypy.overrides]]
+module = "relay.database"
+implicit_reexport = true
+
+[[tool.mypy.overrides]]
+module = "aputils"
+implicit_reexport = true
+
+[[tool.mypy.overrides]]
+module = "blib"
+implicit_reexport = true
+
+[[tool.mypy.overrides]]
+module = "bsql"
+implicit_reexport = true
diff --git a/relay/http_client.py b/relay/http_client.py
index c4d9da0..27c2dec 100644
--- a/relay/http_client.py
+++ b/relay/http_client.py
@@ -24,6 +24,21 @@ if typing.TYPE_CHECKING:
 	from .cache import Cache
 
 
+SUPPORTS_HS2019 = {
+	'friendica',
+	'gotosocial',
+	'hubzilla'
+	'mastodon',
+	'socialhome',
+	'misskey',
+	'catodon',
+	'cherrypick',
+	'firefish',
+	'foundkey',
+	'iceshrimp',
+	'sharkey'
+}
+
 T = typing.TypeVar('T', bound = JsonBase)
 HEADERS = {
 	'Accept': f'{MIMETYPES["activity"]}, {MIMETYPES["json"]};q=0.9',
@@ -179,13 +194,12 @@ class HttpClient:
 		if not self._session:
 			raise RuntimeError('Client not open')
 
-		# there seems to be a problem with HS2019, so defaulting to RSASHA256 for now
 		# akkoma and pleroma do not support HS2019 and other software still needs to be tested
-		# if instance and instance['software'] in {'mastodon'}:
-		# 	algorithm = AlgorithmType.HS2019
+		if instance and instance['software'] in SUPPORTS_HS2019:
+			algorithm = AlgorithmType.HS2019
 
-		# else:
-		# 	algorithm = AlgorithmType.RSASHA256
+		else:
+			algorithm = AlgorithmType.RSASHA256
 
 		body: bytes
 		message: Message
@@ -204,7 +218,7 @@ class HttpClient:
 			url,
 			body,
 			headers = {'Content-Type': 'application/activity+json'},
-			algorithm = AlgorithmType.RSASHA256
+			algorithm = algorithm
 		)
 
 		try: