diff --git a/debian/control b/debian/control
index 8c1491e..2b25c0b 100644
--- a/debian/control
+++ b/debian/control
@@ -3,11 +3,11 @@ Maintainer: Jakob Ketterl <jakob.ketterl@gmx.de>
 Section: hamradio
 Priority: optional
 Standards-Version: 4.2.0
-Build-Depends: debhelper (>= 10), dh-python, python3 (>= 3.6), dh-systemd (>= 1.5)
+Build-Depends: debhelper (>= 10), dh-python, python3 (>= 3.5), dh-systemd (>= 1.5)
 
 Package: openwebrx
 Architecture: all
-Depends: python3 (>= 3.6), python3-pkg-resources, csdr (>= 0.14), netcat, owrx-connector (>= 0.1), ${python3:Depends}
+Depends: python3 (>= 3.5), python3-pkg-resources, csdr (>= 0.14), netcat, owrx-connector (>= 0.1), ${python3:Depends}
 Recommends: digiham (>= 0.2), dsd (>= 1.7), sox, direwolf (>= 1.4), wsjtx
 Description: multi-user web sdr
  Open source, multi-user SDR receiver with a web interface
\ No newline at end of file
diff --git a/setup.py b/setup.py
index a8a58d2..f358d55 100644
--- a/setup.py
+++ b/setup.py
@@ -15,5 +15,5 @@ setup(
     maintainer="Jakob Ketterl",
     maintainer_email="jakob.ketterl@gmx.de",
     license="GAGPL",
-    python_requires=">=3.6",
+    python_requires=">=3.5",
 )