diff --git a/requirements.txt b/requirements.txt
index 4edef76d..a589f621 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,14 +8,14 @@
     numpy>=1.20.1
     voluptuous>=0.12.0
     pyaudio>=0.2.11
-    sacn>=1.5
+    sacn==1.5.0
     aiohttp~=3.7.4.post0
     multidict>=5.0.0
     aiohttp_jinja2>=1.1.0
     requests>=2.24.0
     pyyaml>=5.3.1
     aubio>=0.4.9
-    zeroconf>=0.28.6
+    zeroconf<=0.28.8
     cython==0.29.21
     pyupdater>=4.0.0
     sentry-sdk==1.0.0
diff --git a/setup.py b/setup.py
index 8c839e6e..4c887ca9 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@ INSTALL_REQUIRES = [
     "numpy>=1.20.2",
     "voluptuous>=0.12.0",
     "pyaudio>=0.2.11",
-    "sacn>=1.6.3",
+    "sacn==1.5.0",
     "aiohttp~=3.7.4.post0",
     "multidict>=5.0.0",
     "aiohttp_jinja2>=1.4.0",