diff --git a/pyproject.toml b/pyproject.toml
index 1890998c5aaa..224ffbc0556b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ dependencies = [
     "prompt-toolkit>=3.0.24,<3.0.52",
     "distro>=1.5.0,<1.9.0",
     "awscrt==0.38.1",
-    "python-dateutil>=2.1,<=2.9.0",
+    "python-dateutil>=2.1,<=3.0.0",
     "jmespath>=0.7.1,<1.1.0",
     "urllib3>=1.25.4,<=2.6.3",
     "wcwidth<0.3.0",
diff --git a/requirements-docs-lock.txt b/requirements-docs-lock.txt
index 0014eb76bf88..88a5761ce5d4 100644
--- a/requirements-docs-lock.txt
+++ b/requirements-docs-lock.txt
@@ -326,9 +326,9 @@ pygments==2.19.2 \
     --hash=sha256:636cb2477cec7f8952536970bc533bc43743542f70392ae026374600add5b887 \
     --hash=sha256:86540386c03d588bb81d44bc3928634ff26449851e99741617ecb9037ee5ec0b
     # via sphinx
-python-dateutil==2.9.0 \
-    --hash=sha256:78e73e19c63f5b20ffa567001531680d939dc042bf7850431877645523c66709 \
-    --hash=sha256:cbf2f1da5e6083ac2fbfd4da39a25f34312230110440f424a14c7558bb85d82e
+python-dateutil==3.0.0 \
+    --hash=sha256:3c79630202e4152c6add678446984236efe4f57e84d8e892aab0637bab82e9fd \
+    --hash=sha256:7ebcb3c29a92f3ceafe79a7a48a5c45677e9e004bbeec5742ac0bbb00560b7a2
     # via awscli (pyproject.toml)
 requests==2.32.5 \
     --hash=sha256:2462f94637a34fd532264295e186976db0f5d453d1cdd31473c85a6a161affb6 \