diff --git a/pyproject.toml b/pyproject.toml
index fe30232..47e9b9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ exclude = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8"
 asn1crypto = "^1.4.0"
 cbor2 = "^5.4.2"
 certvalidator = "^0.11.1"
diff --git a/tox.ini b/tox.ini
index f69668d..80f03fa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,17 +3,16 @@ envlist =
     check
     build
     build_docs
-    py{37,38,39,310,311}
+    py{38,39,310,311}
 isolated_build = True
 skip_missing_interpreters = True
 
 
 [gh-actions]
 python =
-    3.7: py37
-    3.8: check, build, build_docs, py38
+    3.8: py38
     3.9: py39
-    3.10: py310
+    3.10: check, build, build_docs, py310
     3.11: py311