diff --git a/strings/capitalize.py b/strings/capitalize.py
index 63603aa07e2d..e7f4900f1ada 100644
--- a/strings/capitalize.py
+++ b/strings/capitalize.py
@@ -1,6 +1,3 @@
-from string import ascii_lowercase, ascii_uppercase
-
-
 def capitalize(sentence: str) -> str:
     """
     This function will capitalize the first letter of a sentence or a word
@@ -14,11 +11,12 @@ def capitalize(sentence: str) -> str:
     'A'
     >>> capitalize("")
     ''
+    >>> capitalize("ö")
+    'Ö'
     """
     if not sentence:
         return ""
-    lower_to_upper = {lc: uc for lc, uc in zip(ascii_lowercase, ascii_uppercase)}
-    return lower_to_upper.get(sentence[0], sentence[0]) + sentence[1:]
+    return sentence[0].upper() + sentence[1:]
 
 
 if __name__ == "__main__":