diff --git a/requirements.txt b/requirements.txt
index 0efec4f..5efa458 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-pwntools==3.5.1
+pwntools==4.3.1
diff --git a/setup.py b/setup.py
index dfa5bef..5769dd3 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
     author_email='sakiirlessons@gmail.com',
     url='https://github.com/SakiiR/timeauth',
     install_requires=[
-        'pwntools==3.5.1'
+        'pwntools==4.3.1'
     ],
     classifiers=[
         'Development Status :: 3 - Alpha',