diff --git a/pyproject.toml b/pyproject.toml
index 9610628a611..3d688bb5d73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,13 +28,13 @@ requires-python = ">=3.9"
 dependencies = [
     "matplotlib>=3.5.0",
     "numpy>=1.20.0",
-    "pandas>=1.2.0",
-    "pint>=0.15",
+    "pandas>=1.4.0",
+    "pint>=0.17",
     "pooch>=1.2.0",
     "pyproj>=3.0.0",
     "scipy>=1.8.0",
     "traitlets>=5.0.5",
-    "xarray>=0.18.0"
+    "xarray>=0.21.0"
 ]
 
 [project.entry-points."xarray.backends"]