diff --git a/pyproject.toml b/pyproject.toml
index 02f4cef..32a54ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,6 @@ dynamic = ["version"]
 dependencies = [
     "attrs",
     "requests",
-    "urllib3~=1.26",
 ]
 
 [project.optional-dependencies]
@@ -74,8 +73,8 @@ doctest_optionflags = [
     "NORMALIZE_WHITESPACE",
 ]
 markers = [
-	"network: tests that require network connectivity",
-	"slow: slow tests that should be run infrequently",
+    "network: tests that require network connectivity",
+    "slow: slow tests that should be run infrequently",
 ]
 testpaths = [
   "tests"