diff --git a/Dockerfile b/Dockerfile
index 1cf8033..f15a79a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM    python:3.7-alpine
+FROM    python:3.8-alpine
 ARG     tor_version
 
 ENV     HOME /var/lib/tor
diff --git a/pyproject.toml b/pyproject.toml
index 71cbfbb..47b4284 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ packages = [
 onions = "onions:main"
 
 [tool.poetry.dependencies]
-python = ">= 3.7, < 3.8"
+python = ">= 3.8, < 3.9"
 pytor = "^0.1.5"
 Jinja2 = "^2.10"
 pyentrypoint = "^0.7.4"
diff --git a/tox.ini b/tox.ini
index 474299f..55b3ed0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 isolated_build = true
-envlist = py37
+envlist = py38
 
 [testenv]
 whitelist_externals = poetry