diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index c68c879231..09128c8c0b 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -103,9 +103,8 @@ jobs:
     - name: Install the dependencies
       run: |
         python -m pip install --user --upgrade pip wheel
-        python -m pip install torch==2.5.1 torchvision==0.20.1
         cat "requirements-dev.txt"
-        python -m pip install -r requirements-dev.txt
+        python -m pip install torch==2.5.1 torchvision==0.20.1 -r requirements-dev.txt
         python -m pip list
         python setup.py develop  # test no compile installation
       shell: bash
diff --git a/monai/transforms/signal/array.py b/monai/transforms/signal/array.py
index 97df04f233..d75ab4351a 100644
--- a/monai/transforms/signal/array.py
+++ b/monai/transforms/signal/array.py
@@ -411,10 +411,11 @@ def __call__(self, signal: np.ndarray) -> Any:
         Args:
             signal: signal to be frequency removed
         """
+        signal = convert_to_tensor(signal, dtype=torch.double)
         b_notch, a_notch = convert_to_tensor(
-            iirnotch(self.frequency, self.quality_factor, self.sampling_freq), dtype=torch.float
+            iirnotch(self.frequency, self.quality_factor, self.sampling_freq), dtype=torch.double
         )
-        y_notched = filtfilt(convert_to_tensor(signal), a_notch, b_notch)
+        y_notched = filtfilt(signal, a_notch, b_notch)
 
         return y_notched
 
diff --git a/pyproject.toml b/pyproject.toml
index 76b26731bf..ddd13d2d78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 requires = [
   "wheel",
   "setuptools",
-  "torch>=2.4.1",
+  "torch>=2.5.1",
   "ninja",
   "packaging"
 ]
diff --git a/requirements.txt b/requirements.txt
index c43fb21f92..19f1a28a29 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-torch>=2.4.1; platform_system != "Windows"
-torch>=2.4.1, !=2.7.0; platform_system == "Windows"
+torch>=2.5.1; platform_system != "Windows"
+torch>=2.5.1, !=2.7.0; platform_system == "Windows"
 numpy>=1.24,<3.0
diff --git a/setup.cfg b/setup.cfg
index b3949213c2..f1b651694e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,7 +42,7 @@ setup_requires =
     ninja
     packaging
 install_requires =
-    torch>=2.4.1
+    torch>=2.5.1
     numpy>=1.24,<3.0
 
 [options.extras_require]