diff --git a/bcpandas/constants.py b/bcpandas/constants.py
index 35d7f8b..ba3d1e3 100644
--- a/bcpandas/constants.py
+++ b/bcpandas/constants.py
@@ -65,13 +65,13 @@ class BCPandasValueError(BCPandasException):
 
 def get_delimiter(df: pd.DataFrame) -> str:
     for delim in _DELIMITER_OPTIONS:
-        if not df.applymap(lambda x: delim in x if isinstance(x, str) else False).any().any():
+        if not df.map(lambda x: delim in x if isinstance(x, str) else False).any().any():
             return delim
     raise BCPandasValueError(error_msg.format(typ="delimiter", opts=_DELIMITER_OPTIONS))
 
 
 def get_quotechar(df: pd.DataFrame) -> str:
     for qc in _QUOTECHAR_OPTIONS:
-        if not df.applymap(lambda x: qc in x if isinstance(x, str) else False).any().any():
+        if not df.map(lambda x: qc in x if isinstance(x, str) else False).any().any():
             return qc
     raise BCPandasValueError(error_msg.format(typ="quote", opts=_QUOTECHAR_OPTIONS))
diff --git a/tests/utils.py b/tests/utils.py
index e96c0fc..df1c38d 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -53,14 +53,14 @@
 
 def not_has_all_delims(df: pd.DataFrame) -> bool:
     return not all(
-        df.applymap(lambda x: delim in x if isinstance(x, str) else False).any().any()
+        df.map(lambda x: delim in x if isinstance(x, str) else False).any().any()
         for delim in _DELIMITER_OPTIONS
     )
 
 
 def not_has_all_quotechars(df: pd.DataFrame) -> bool:
     return not all(
-        df.applymap(lambda x: qc in x if isinstance(x, str) else False).any().any()
+        df.map(lambda x: qc in x if isinstance(x, str) else False).any().any()
         for qc in _QUOTECHAR_OPTIONS
     )