diff --git a/requirements.txt b/requirements.txt
index df0ae1e..2a27e03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pyctr>=0.5.1,<0.7
+pyctr>=0.5.1,<0.8
 haccrypto>=0.1
 pycryptodomex>=3.9,<4
 pypng>=0.0.21
diff --git a/setup.py b/setup.py
index 1f17608..3ee3318 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ setup(
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
     ],
-    install_requires=['pycryptodomex>=3.9,<4', 'pyctr>=0.5.1,<0.7', 'haccrypto>=0.1', 'pypng>=0.0.21'],
+    install_requires=['pycryptodomex>=3.9,<4', 'pyctr>=0.7,<0.8', 'haccrypto>=0.1', 'pypng>=0.0.21'],
     python_requires='>=3.8.0',
     # fusepy should be added here once the main repo has a new release with Windows support.
     entry_points={'gui_scripts': ['ninfsw = ninfs.main:gui'],