diff --git a/pyproject.toml b/pyproject.toml
index 117ba92..2d04f4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,17 +42,18 @@ constraint-dependencies = [
     "build>=0.7.0",
     "cffi>=1.15",
     "iniconfig>=1.1.0",
+    "httplib2>=0.20.0",
     "libnacl>=2.0",
     "lxml>=5.0",
-    "protobuf>=5.0",
-    "pyparsing>=3.0.0",
-    "pyproject-hooks>=1.0.0",
-    "pyyaml>=5.0",
     "markdown>=3.0",
     "markupsafe>=2.0",
+    "oauthlib>=3.0.0",
+    "protobuf>=5.0",
     "pynacl>=1.5",
+    "pyparsing>=3.0.0",
+    "pyproject-hooks>=1.0.0",
     "pytz>=2020",
-    "pyyaml>5.0",
+    "pyyaml>=5.0",
     "regex>=2021.11.10",
     "setuptools>=50",
     "sphinx-basic-ng>=1.0.0b1",