diff --git a/scripts/python/xml2vhdl-ox/requirements.txt b/scripts/python/xml2vhdl-ox/requirements.txt
index 8079ee7..0570d68 100644
--- a/scripts/python/xml2vhdl-ox/requirements.txt
+++ b/scripts/python/xml2vhdl-ox/requirements.txt
@@ -11,7 +11,7 @@ jinja2==2.10
 logging==0.4.9.6
 lxml==4.3.0
 markupsafe==1.1.0
-numpy==1.16.0
+numpy==1.24
 packaging==19.0
 pygments==2.3.1
 pyparsing==2.3.1
@@ -25,4 +25,4 @@ snowballstemmer==1.2.1
 sphinx==1.8.4
 sphinxcontrib-websupport==1.1.0
 typing==3.6.6; python_version < '3.5'
-urllib3==1.24.1
\ No newline at end of file
+urllib3==1.24.1
diff --git a/scripts/python/xml2vhdl-ox/setup.py b/scripts/python/xml2vhdl-ox/setup.py
index 7de19a9..0000dbd 100644
--- a/scripts/python/xml2vhdl-ox/setup.py
+++ b/scripts/python/xml2vhdl-ox/setup.py
@@ -20,7 +20,7 @@
 
     setuptools.setup(
         name="xml2vhdl-ox",
-        version="0.2.2",
+        version="0.2.3",
         author="Department of Physics",
         author_email="xml2vhdl@ox.ac.uk",
         description="XML to VHDL Memory-Mapped Generation",
diff --git a/scripts/python/xml2vhdl-ox/xml2vhdl/helper/slave.py b/scripts/python/xml2vhdl-ox/xml2vhdl/helper/slave.py
index de2a907..2d7bb66 100644
--- a/scripts/python/xml2vhdl-ox/xml2vhdl/helper/slave.py
+++ b/scripts/python/xml2vhdl-ox/xml2vhdl/helper/slave.py
@@ -401,7 +401,7 @@ def compute_decoder_mask(self):
         add_num = len(addresses)
         logger.info('Addresses are: {add_num}'
                     .format(add_num=add_num))
-        baddr = np.zeros((add_num, 32), dtype=np.int)
+        baddr = np.zeros((add_num, 32), dtype=int)
         tree_dict = {}
 
         # building address array
diff --git a/scripts/python/xml2vhdl-ox/xml2vhdl/xml2ic.py b/scripts/python/xml2vhdl-ox/xml2vhdl/xml2ic.py
index f3cf79e..5d116dc 100644
--- a/scripts/python/xml2vhdl-ox/xml2vhdl/xml2ic.py
+++ b/scripts/python/xml2vhdl-ox/xml2vhdl/xml2ic.py
@@ -410,7 +410,7 @@ def get_decoder_mask(address_list):
     add_num = len(addresses)
     logger.info('Addresses are: {}'
                 .format(add_num))
-    baddr = np.zeros((add_num, 32), dtype=np.int)
+    baddr = np.zeros((add_num, 32), dtype=int)
     decode_dict = {}
     tree_dict = {}