diff --git a/DIRECTORY.md b/DIRECTORY.md
index 2182471a5f0d..984d36de1422 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -106,6 +106,7 @@
   * [Rotate Bits](bit_manipulation/rotate_bits.py)
   * [Single Bit Manipulation Operations](bit_manipulation/single_bit_manipulation_operations.py)
   * [Swap All Odd And Even Bits](bit_manipulation/swap_all_odd_and_even_bits.py)
+  * [Update Bit](bit_manipulation/update_bit.py)
 
 ## [Blockchain](blockchain)
   * [Diophantine Equation](blockchain/diophantine_equation.py)
diff --git a/bit_manipulation/update_bit.py b/bit_manipulation/update_bit.py
new file mode 100644
index 000000000000..9bd310b18483
--- /dev/null
+++ b/bit_manipulation/update_bit.py
@@ -0,0 +1,29 @@
+def update_bit(number: int, position: int, value: int) -> int:
+    """
+    It is a program to update a bit at given position
+
+    Details:update the bit at position of the
+    number by the value provided to it.
+    and return updated integer.
+
+    >>> update_bit(5,0,0) #0b100
+    4
+    >>> update_bit(10,1,0) #0b1000
+    8
+    >>> update_bit(15,3,0) #0b0111
+    7
+    >>> update_bit(5,1,1) #70b111
+    7
+    >>> update_bit(10,0,1) #0b1011
+    11
+    """
+
+    mask = ~(1 << position)
+    number = number & mask
+    return number | (value << position)
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()