diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index b15bf4a..36e7e8e 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -14,7 +14,7 @@ jobs:
     - name: Python
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: 3.9
 
     - name: Build
       run: |
diff --git a/.github/workflows/latest-dependencies.yml b/.github/workflows/latest-dependencies.yml
index 425c08c..94cf4c3 100644
--- a/.github/workflows/latest-dependencies.yml
+++ b/.github/workflows/latest-dependencies.yml
@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.8
+    - name: Set up Python 3.9
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Update dependencies
       run: |
         python -m pip install --upgrade pip
@@ -27,4 +27,4 @@ jobs:
         branch: latest-dep-update
         branch-suffix: short-commit-hash
         base: master
-        team-reviewers: core
\ No newline at end of file
+        team-reviewers: core
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f56a633..e1f7e5c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: ['3.9']
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
     - uses: actions/checkout@v1
@@ -29,8 +29,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8']
-        os: [ubuntu-20.04]
+        python-version: ['3.9']
+        os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}
@@ -47,8 +47,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
-        os: [ubuntu-20.04, macos-latest, windows-latest]
+        python-version: ['3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}
@@ -68,8 +68,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
-        os: [ubuntu-20.04, macos-latest]
+        python-version: ['3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, macos-latest]
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}
@@ -79,4 +79,4 @@ jobs:
     - name: Install package and dependencies
       run: pip install invoke .[test]
     - name: invoke minimum
-      run: invoke minimum
\ No newline at end of file
+      run: invoke minimum
diff --git a/README.md b/README.md
index cbf88dc..b490756 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ in order to solve time series machine learning problems.
 
 ## Requirements
 
-**SigPro** has been developed and tested on [Python 3.8, 3.9, 3.10, and 3.11](https://www.python.org/downloads/)
+**SigPro** has been developed and tested on [Python 3.9, 3.10, 3.11 and 3.12](https://www.python.org/downloads/)
 on GNU/Linux and macOS systems.
 
 Also, although it is not strictly required, the usage of a [virtualenv](
diff --git a/setup.py b/setup.py
index 6667212..60e94a6 100644
--- a/setup.py
+++ b/setup.py
@@ -12,10 +12,10 @@
     history = history_file.read()
 
 install_requires = [
-    'mlblocks>=0.6.1',
+    'mlblocks>=0.6.2',
     'pandas>=1.5.3',
-    'numpy>=1.24.4',
-    'scipy>=1.10.1',
+    'numpy>=1.26.0',
+    'scipy>=1.11.3',
 ]
 
 setup_requires = [
@@ -41,7 +41,16 @@
     'sphinx_rtd_theme>=0.2.4,<0.5',
     'autodocsumm>=0.1.10',
     'markupsafe<2.1.0',
-    'Jinja2>=2,<3',
+    'Jinja2>=2,<3.1',
+
+    # fails on Sphinx < v3.4
+    'alabaster<=0.7.12',
+    # fails on Sphins < v5.0
+    'sphinxcontrib-applehelp<1.0.8',
+    'sphinxcontrib-devhelp<1.0.6',
+    'sphinxcontrib-htmlhelp<2.0.5',
+    'sphinxcontrib-serializinghtml<1.1.10',
+    'sphinxcontrib-qthelp<1.0.7',
 
     # style check
     'flake8>=3.7.7,<4',
@@ -62,7 +71,8 @@
     # Advanced testing
     'coverage>=4.5.1,<6',
     'tox>=2.9.1,<4',
-    'importlib-metadata<2,>=0.12',
+    'importlib-metadata<5',
+    'mistune<2',
     'invoke',
 ]
 
@@ -75,12 +85,12 @@
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.8',        
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
     ],
-    description='Signal Processing Tools for Machine Mearning',
+    description='Signal Processing Tools for Machine Learning',
     entry_points={
         'mlblocks': [
             'primitives=sigpro:MLBLOCKS_PRIMITIVES',
@@ -98,7 +108,7 @@
     long_description_content_type='text/markdown',
     name='sigpro',
     packages=find_packages(include=['sigpro', 'sigpro.*']),
-    python_requires='>=3.8,<3.12',
+    python_requires='>=3.9,<3.13',
     setup_requires=setup_requires,
     test_suite='tests',
     tests_require=tests_require,
diff --git a/tests/integration/test_pipeline.py b/tests/integration/test_pipeline.py
index e855ed4..4ce55af 100644
--- a/tests/integration/test_pipeline.py
+++ b/tests/integration/test_pipeline.py
@@ -39,7 +39,11 @@ def _verify_pipeline_outputs(sigpro_pipeline, input_data, output_data, columns_t
         assert column in feature_list
         assert column in processed_signal.columns
     cols_reduced = [i for i in columns_to_check if i in output_data.columns]
-    pd.testing.assert_frame_equal(processed_signal[cols_reduced], output_data[cols_reduced])
+    pd.testing.assert_frame_equal(
+        processed_signal[cols_reduced],
+        output_data[cols_reduced],
+        rtol=1e-2
+    )
 
 
 def test_linear_pipeline():