diff --git a/pyopia/__init__.py b/pyopia/__init__.py
index b15cdcb..c72fa46 100644
--- a/pyopia/__init__.py
+++ b/pyopia/__init__.py
@@ -1 +1 @@
-__version__ = "2.16.7"
+__version__ = "2.16.8"
diff --git a/pyproject.toml b/pyproject.toml
index 4a868fa..116d779 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,8 +34,8 @@ dependencies = [
     "myst-nb>=0.17.2,<0.18",
     "jupyter-book>=0.15.1,<0.16",
     "ipykernel>=6.19.4",
-    "urllib3<2.0",
-    "gdown>=4.7.1,<5",
+    "urllib3>=2.5.0,<3",
+    "gdown>=5.2.2,<7",
     "cmocean>=3.0.3,<4",
     "toml>=0.10.2,<0.11",
     "xarray>=2023.12.0,<2024",