diff --git a/requirements.txt b/requirements.txt
index f61d513..337bda7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ matplotlib >= 3.7.1        # ch04; ch06; ch07
 tensorflow>=2.16.2; sys_platform == 'darwin' and platform_machine == 'x86_64'  # Intel macOS
 tensorflow >= 2.18.0; sys_platform != 'darwin' or platform_machine != 'x86_64'   # ch05; ch06; ch07
 tqdm >= 4.66.1             # ch05; ch07
-numpy >= 1.26, < 2.1       # dependency of several other libraries like torch and pandas
+numpy >= 1.26,             # dependency of several other libraries like torch and pandas
 pandas >= 2.2.1            # ch06
 psutil >= 5.9.5            # ch07; already installed automatically as dependency of torch