diff --git a/pyproject.toml b/pyproject.toml
index 9db6e4a3..d6e8dceb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,8 +29,7 @@ classifiers = [
 ]
 dependencies = [
   "numpy",
-  "packaging",
-  "pandas",
+  "pandas >= 1.4.0",
   "pyForecastTools",
   "pysat >= 3.0.4",
   "pysatNASA",
diff --git a/requirements.txt b/requirements.txt
index 2fc4e0e1..5a625715 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 numpy
-packaging
 pandas >= 1.4.0
 pyForecastTools
 pysat >= 3.0.4