diff --git a/pyproject.toml b/pyproject.toml
index fe4c1843..a270c43a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = [
     "wheel",
     "pybind11==2.10.1",
     "pkgconfig>=1.5.0",
-    "packaging==20.4",
+    "packaging==22.0",
 ]
 
 build-backend = "setuptools.build_meta"
diff --git a/requirements.txt b/requirements.txt
index 16c1e248..da4128d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 graphviz==0.20.1
 jinja2<3.1
 nose==1.3.7
-packaging==21.0
+packaging==22.0
 pkgconfig>=1.5.0
 pybind11==2.10.1
 pyparsing==2.4.7