diff --git a/ecl2df/parameters.py b/ecl2df/parameters.py
index 3db8c7113..b97af9c57 100644
--- a/ecl2df/parameters.py
+++ b/ecl2df/parameters.py
@@ -3,6 +3,7 @@
 
 import json
 import logging
+import warnings
 from pathlib import Path
 from typing import Any, Dict, List, Union
 
@@ -65,9 +66,23 @@ def load_parameterstxt(filename: Union[str, Path]) -> Dict[str, Any]:
         filename: file containing one key-value pair pr. line,
             separated by whitespace
     """
-    dframe = pd.read_csv(
-        filename, comment="#", sep=r"\s", engine="python", names=["KEY", "VALUE"]
-    )
+    with warnings.catch_warnings(record=True):
+        # From pandas 1.4, too many columns result in a ParserWarning for dropped
+        # data. This is risky, and therefore catching the warning and raising a
+        # ParserError instead.
+        warnings.filterwarnings("error")
+        try:
+            dframe = pd.read_csv(
+                filename,
+                comment="#",
+                sep=r"\s",
+                engine="python",
+                names=["KEY", "VALUE"],
+                index_col=False,
+            )
+        except pd.errors.ParserWarning as txt_exc:
+            raise pd.errors.ParserError(txt_exc)
+
     return dframe.set_index("KEY")["VALUE"].to_dict()
 
 
diff --git a/setup.py b/setup.py
index 7222da8d0..12ce4b765 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
     "ecl",
     "numpy",
     "opm>=2020.10.2",  # NB: Pypi versions.
-    "pandas<1.4.0",
+    "pandas",
     "pyarrow",
     "pyyaml>=5.1",
     "treelib",