diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 313a266..c5ad05e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-20.04, macos-11, windows-2019 ]
-        python-version: [ 3.7, 3.9, 3.8, "3.10", "3.11" ]
+        python-version: [ 3.7, 3.9, 3.8, "3.10", "3.11", "3.12" ]
 
     env:
       PYTHON_VERSION: ${{ matrix.python-version }}
@@ -43,13 +43,15 @@ jobs:
       - name: Install
         run: |
           if [[ "$PYTHON_VERSION" == "3.7" ]] || [[ "$PYTHON_VERSION" == "3.8" ]]; then
-            conda install scipy=1.3 numpy=1.16 nose
+            conda install scipy=1.3 numpy=1.16 pytest
           elif [[ "$PYTHON_VERSION" == "3.9" ]]; then
-            conda install scipy=1.5 numpy=1.19 nose
+            conda install scipy=1.5 numpy=1.19 pytest
           elif [[ "$PYTHON_VERSION" == "3.10" ]]; then
-            conda install scipy=1.7 numpy=1.21 nose
+            conda install scipy=1.7 numpy=1.21 pytest
           elif [[ "$PYTHON_VERSION" == "3.11" ]]; then
-            conda install scipy=1.9.3 numpy=1.23.4 nose
+            conda install scipy=1.9.3 numpy=1.23.4 pytest
+          elif [[ "$PYTHON_VERSION" == "3.12" ]]; then
+            conda install scipy=1.11.3 numpy=1.26.0 pytest
           fi
           if [[ "$RUNNER_OS" == "macOS" ]]; then
             sudo rm -rf /Library/Developer/CommandLineTools
@@ -58,7 +60,7 @@ jobs:
       - name: Test
         run: |
           make install
-          python -m nose
+          python -m pytest
           rm -rf build/
 
   build_wheels:
@@ -69,7 +71,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-20.04, macos-11, windows-2019 ]
-        python-version: [ 3.7, 3.9, "3.10", "3.11" ]
+        python-version: [ 3.7, 3.9, "3.10", "3.11", "3.12" ]
         include:
           - os: ubuntu-20.04
             python-version: 3.8
@@ -107,7 +109,7 @@ jobs:
         env:
           CIBW_BUILD: "cp3${{env.PYTHON_SUBVERSION}}-*"
           CIBW_SKIP: "*-win32 *-manylinux_i686 *-musllinux*"
-        uses: joerick/cibuildwheel@v2.11.2
+        uses: joerick/cibuildwheel@v2.16.5
 
       - name: Build source
         if: ${{env.DEPLOY == 'True' && env.SINGLE_ACTION_CONFIG == 'True'}}
diff --git a/Pipfile b/Pipfile
index 6854c29..bca92ed 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
-nose = "*"
+pytest = "*"
 
 [packages]
 numpy = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 2904dfa..e39d698 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "c3af636b572b51c57671422722e7280a3a003233795df97e0a2dee180f12e04f"
+            "sha256": "01e35b99ecbe27e2ed9f2ab1d12dbee14db6e5ebafba221a324d420eefbe6f1a"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,43 +18,81 @@
     "default": {
         "numpy": {
             "hashes": [
-                "sha256:0739146eaf4985962f07c62f7133aca89f3a600faac891ce6c7f3a1e2afe5272",
-                "sha256:07e21f14490324cc1160db101e9b6c1233c33985af4cb1d301dd02650fea1d7f",
-                "sha256:0f6a5ed0cd7ab1da11f5c07a8ecada73fc55a70ef7bb6311a4109891341d7277",
-                "sha256:0fd65cbbfdbf76bbf80c445d923b3accefea0fe2c2082049e0ce947c81fe1d3f",
-                "sha256:20cac3123d791e4bf8482a580d98d6b5969ba348b9d5364df791ba3a666b660d",
-                "sha256:528ce59ded2008f9e8543e0146acb3a98a9890da00adf8904b1e18c82099418b",
-                "sha256:56e392b7c738bd70e6f46cf48c8194d3d1dd4c5a59fae4b30c58bb6ef86e5233",
-                "sha256:675e0f23967ce71067d12b6944add505d5f0a251f819cfb44bdf8ee7072c090d",
-                "sha256:6be6b0ca705321c178c9858e5ad5611af664bbdfae1df1541f938a840a103888",
-                "sha256:719d914f564f35cce4dc103808f8297c807c9f0297ac183ed81ae8b5650e698e",
-                "sha256:768e777cc1ffdbf97c507f65975c8686ebafe0f3dc8925d02ac117acc4669ce9",
-                "sha256:7f76d406c6b998d6410198dcb82688dcdaec7d846aa87e263ccf52efdcfeba30",
-                "sha256:8c18ee4dddd5c6a811930c0a7c7947bf16387da3b394725f6063f1366311187d",
-                "sha256:99051e03b445117b26028623f1a487112ddf61a09a27e2d25e6bc07d37d94f25",
-                "sha256:a1413d06abfa942ca0553bf3bccaff5fdb36d55b84f2248e36228db871147dab",
-                "sha256:a7157c9ac6bddd2908c35ef099e4b643bc0e0ebb4d653deb54891d29258dd329",
-                "sha256:a958bf9d4834c72dee4f91a0476e7837b8a2966dc6fcfc42c421405f98d0da51",
-                "sha256:bb370120de6d26004358611441e07acda26840e41dfedc259d7f8cc613f96495",
-                "sha256:d0928076d9bd8a98de44e79b1abe50c1456e7abbb40af7ef58092086f1a6c729",
-                "sha256:d858423f5ed444d494b15c4cc90a206e1b8c31354c781ac7584da0d21c09c1c3",
-                "sha256:e6120d63b50e2248219f53302af7ec6fa2a42ed1f37e9cda2c76dbaca65036a7",
-                "sha256:f2b1378b63bdb581d5d7af2ec0373c8d40d651941d283a2afd7fc71184b3f570",
-                "sha256:facc6f925c3099ac01a1f03758100772560a0b020fb9d70f210404be08006bcb"
+                "sha256:02f98011ba4ab17f46f80f7f8f1c291ee7d855fcef0a5a98db80767a468c85cd",
+                "sha256:0b7e807d6888da0db6e7e75838444d62495e2b588b99e90dd80c3459594e857b",
+                "sha256:12c70ac274b32bc00c7f61b515126c9205323703abb99cd41836e8125ea0043e",
+                "sha256:1666f634cb3c80ccbd77ec97bc17337718f56d6658acf5d3b906ca03e90ce87f",
+                "sha256:18c3319a7d39b2c6a9e3bb75aab2304ab79a811ac0168a671a62e6346c29b03f",
+                "sha256:211ddd1e94817ed2d175b60b6374120244a4dd2287f4ece45d49228b4d529178",
+                "sha256:21a9484e75ad018974a2fdaa216524d64ed4212e418e0a551a2d83403b0531d3",
+                "sha256:39763aee6dfdd4878032361b30b2b12593fb445ddb66bbac802e2113eb8a6ac4",
+                "sha256:3c67423b3703f8fbd90f5adaa37f85b5794d3366948efe9a5190a5f3a83fc34e",
+                "sha256:46f47ee566d98849323f01b349d58f2557f02167ee301e5e28809a8c0e27a2d0",
+                "sha256:51c7f1b344f302067b02e0f5b5d2daa9ed4a721cf49f070280ac202738ea7f00",
+                "sha256:5f24750ef94d56ce6e33e4019a8a4d68cfdb1ef661a52cdaee628a56d2437419",
+                "sha256:697df43e2b6310ecc9d95f05d5ef20eacc09c7c4ecc9da3f235d39e71b7da1e4",
+                "sha256:6d45b3ec2faed4baca41c76617fcdcfa4f684ff7a151ce6fc78ad3b6e85af0a6",
+                "sha256:77810ef29e0fb1d289d225cabb9ee6cf4d11978a00bb99f7f8ec2132a84e0166",
+                "sha256:7ca4f24341df071877849eb2034948459ce3a07915c2734f1abb4018d9c49d7b",
+                "sha256:7f784e13e598e9594750b2ef6729bcd5a47f6cfe4a12cca13def35e06d8163e3",
+                "sha256:806dd64230dbbfaca8a27faa64e2f414bf1c6622ab78cc4264f7f5f028fee3bf",
+                "sha256:867e3644e208c8922a3be26fc6bbf112a035f50f0a86497f98f228c50c607bb2",
+                "sha256:8c66d6fec467e8c0f975818c1796d25c53521124b7cfb760114be0abad53a0a2",
+                "sha256:8ed07a90f5450d99dad60d3799f9c03c6566709bd53b497eb9ccad9a55867f36",
+                "sha256:9bc6d1a7f8cedd519c4b7b1156d98e051b726bf160715b769106661d567b3f03",
+                "sha256:9e1591f6ae98bcfac2a4bbf9221c0b92ab49762228f38287f6eeb5f3f55905ce",
+                "sha256:9e87562b91f68dd8b1c39149d0323b42e0082db7ddb8e934ab4c292094d575d6",
+                "sha256:a7081fd19a6d573e1a05e600c82a1c421011db7935ed0d5c483e9dd96b99cf13",
+                "sha256:a8474703bffc65ca15853d5fd4d06b18138ae90c17c8d12169968e998e448bb5",
+                "sha256:af36e0aa45e25c9f57bf684b1175e59ea05d9a7d3e8e87b7ae1a1da246f2767e",
+                "sha256:b1240f767f69d7c4c8a29adde2310b871153df9b26b5cb2b54a561ac85146485",
+                "sha256:b4d362e17bcb0011738c2d83e0a65ea8ce627057b2fdda37678f4374a382a137",
+                "sha256:b831295e5472954104ecb46cd98c08b98b49c69fdb7040483aff799a755a7374",
+                "sha256:b8c275f0ae90069496068c714387b4a0eba5d531aace269559ff2b43655edd58",
+                "sha256:bdd2b45bf079d9ad90377048e2747a0c82351989a2165821f0c96831b4a2a54b",
+                "sha256:cc0743f0302b94f397a4a65a660d4cd24267439eb16493fb3caad2e4389bccbb",
+                "sha256:da4b0c6c699a0ad73c810736303f7fbae483bcb012e38d7eb06a5e3b432c981b",
+                "sha256:f25e2811a9c932e43943a2615e65fc487a0b6b49218899e62e426e7f0a57eeda",
+                "sha256:f73497e8c38295aaa4741bdfa4fda1a5aedda5473074369eca10626835445511"
             ],
             "index": "pypi",
-            "version": "==1.14.2"
+            "markers": "python_version >= '3.9'",
+            "version": "==1.26.3"
         }
     },
     "develop": {
-        "nose": {
+        "iniconfig": {
             "hashes": [
-                "sha256:9ff7c6cc443f8c51994b34a667bbcf45afd6d945be7477b52e97516fd17c53ac",
-                "sha256:dadcddc0aefbf99eea214e0f1232b94f2fa9bd98fa8353711dacb112bfcbbb2a",
-                "sha256:f1bffef9cbc82628f6e7d7b40d7e255aefaa1adb6a1b1d26c69a8b79e6208a98"
+                "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3",
+                "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.0"
+        },
+        "packaging": {
+            "hashes": [
+                "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5",
+                "sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==23.2"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:7db9f7b503d67d1c5b95f59773ebb58a8c1c288129a88665838012cfb07b8981",
+                "sha256:8c85c2876142a764e5b7548e7d9a0e0ddb46f5185161049a79b7e974454223be"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==1.4.0"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:249b1b0864530ba251b7438274c4d251c58d868edaaec8762893ad4a0d71c36c",
+                "sha256:50fb9cbe836c3f20f0dfa99c565201fb75dc54c8d76373cd1bde06b06657bdb6"
             ],
             "index": "pypi",
-            "version": "==1.3.7"
+            "markers": "python_version >= '3.8'",
+            "version": "==8.0.0"
         }
     }
 }
diff --git a/setup.py b/setup.py
index 1cbdf6c..855b660 100644
--- a/setup.py
+++ b/setup.py
@@ -81,6 +81,5 @@ def finalize_options(self):
         "numpy >= 1.6",
         "scipy >= 0.9"
     ],
-    test_suite='nose.collector',
-    tests_require=['nose']
+    tests_require=['pytest']
 )
diff --git a/src/test_interface.py b/src/test_interface.py
index aa18622..3f4a138 100644
--- a/src/test_interface.py
+++ b/src/test_interface.py
@@ -1,35 +1,8 @@
-# for python 3 testing compatibility
-from __future__ import print_function
 import platform
-
-def import_error(msg):
-  print()
-  print("## IMPORT ERROR:", msg)
-  print()
-
-try:
-  from nose.tools import assert_raises, assert_almost_equals
-except ImportError:
-  import_error("Please install nose to run tests.")
-  raise
-
-try:
-  import ecos
-except ImportError:
-  import_error("You must install the ecos module before running tests.")
-  raise
-
-try:
-  import numpy as np
-except ImportError:
-  import_error("Please install numpy.")
-  raise
-
-try:
-  import scipy.sparse as sp
-except ImportError:
-  import_error("Please install scipy.")
-  raise
+import pytest
+import ecos
+import numpy as np
+import scipy.sparse as sp
 
 # global data structures for problem
 c = np.array([-1.])
@@ -39,51 +12,45 @@ def import_error(msg):
 b = np.array([3.])
 dims = {'q': [], 'l': 2}
 
-def check_solution(solution, expected):
-  assert_almost_equals(solution, expected, places=5)
-
-def test_problems():
-  myopts = {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose':True};
-  sol = ecos.solve(c, G, h, dims, **myopts)
-  yield check_solution, sol['x'][0], 4
-
-  sol = ecos.solve(c, G, h, dims, A, b, **myopts)
-  yield check_solution, sol['x'][0], 3
 
-  new_dims = {'q':[2], 'l': 0}
-  sol = ecos.solve(c, G, h, new_dims, **myopts)
-  yield check_solution, sol['x'][0], 2
-
-if platform.python_version_tuple() < ('3','0','0'):
-  def test_problems_with_longs():
-    new_dims = {'q': [], 'l': long(2)}
-    myopts = {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8};
-    sol = ecos.solve(c, G, h, new_dims, **myopts)
-    yield check_solution, sol['x'][0], 4
-
-    sol = ecos.solve(c, G, h, new_dims, A, b, **myopts)
-    yield check_solution, sol['x'][0], 3
-
-    new_dims = {'q':[long(2)], 'l': 0}
-    sol = ecos.solve(c, G, h, new_dims, **myopts)
-    yield check_solution, sol['x'][0], 2
-
-def check_keyword(error_type, keyword, value):
-  assert_raises(error_type, ecos.solve, c,G,h,dims, **{keyword: value})
-
-def test_failures():
-  yield assert_raises, TypeError, ecos.solve
-  yield assert_raises, TypeError, ecos.solve, c, G, h, dims, A
-
-  yield assert_raises, ValueError, ecos.solve, c, G, h, {'q':[], 'l':0}
-  yield assert_raises, TypeError, ecos.solve, c, G, h, {'q':[4], 'l':-2}
-
-  yield check_keyword, TypeError, 'verbose', 0
-  yield check_keyword, ValueError, 'feastol', 0
-  yield check_keyword, ValueError, 'abstol', 0
-  yield check_keyword, ValueError, 'reltol', 0
-  yield check_keyword, ValueError, 'feastol_inacc', 0
-  yield check_keyword, ValueError, 'abstol_inacc', 0
-  yield check_keyword, ValueError, 'reltol_inacc', 0
-  yield check_keyword, ValueError, 'max_iters', -1
-  yield check_keyword, TypeError, 'max_iters', 1.1
+def check_solution(solution, expected):
+    np.testing.assert_almost_equal(solution, expected, decimal=5)
+
+@pytest.mark.parametrize("inputs,expected", [
+    ((c, G, h, dims, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 4),
+    ((c, G, h, dims, A, b, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 3),
+    ((c, G, h, {'q': [2], 'l': 0}, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 2)
+])
+def test_problems(inputs, expected):
+    sol = ecos.solve(*inputs[:-1], **inputs[-1])
+    check_solution(sol['x'][0], expected)
+
+
+def test_call_failures():
+    with pytest.raises(TypeError):
+        ecos.solve()
+
+    with pytest.raises(TypeError):
+        ecos.solve(c, G, h, dims, A)
+
+    with pytest.raises(ValueError):
+        ecos.solve(c, G, h, {'q':[], 'l':0})
+
+    with pytest.raises(TypeError):
+        ecos.solve(c, G, h, {'q':[4], 'l':-2})
+
+
+@pytest.mark.parametrize("error_type,keyword,value", [
+    (TypeError, 'verbose', 0),
+    (ValueError, 'feastol', 0),
+    (ValueError, 'abstol', 0),
+    (ValueError, 'reltol', 0),
+    (ValueError, 'feastol_inacc', 0),
+    (ValueError, 'abstol_inacc', 0),
+    (ValueError, 'reltol_inacc', 0),
+    (ValueError, 'max_iters', -1),
+    (TypeError, 'max_iters', 1.1),
+])
+def test_keyword_errors(error_type, keyword, value):
+    with pytest.raises(error_type):
+        ecos.solve(c, G, h, dims, **{keyword: value})
diff --git a/src/test_interface_bb.py b/src/test_interface_bb.py
index a4aba46..48a5c0f 100644
--- a/src/test_interface_bb.py
+++ b/src/test_interface_bb.py
@@ -1,4 +1,3 @@
-from __future__ import print_function
 import ecos
 import numpy as np
 import scipy.sparse as sp
@@ -17,8 +16,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 c = np.array([-1., -1.])
 h = np.array([ 4., 12., 0., 0.])
 bool_idx = []
@@ -33,8 +30,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 c = np.array([-1., -1.1])
 h = np.array([ 4., 12., 0., 0.])
 bool_idx = [1,0]
@@ -49,8 +44,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 
 c = np.array([-1., -1.5])
 h = np.array([ 4., 12., 0. , 0.])
@@ -64,6 +57,4 @@
 dims = dict()
 dims['l'] = 4
 
-sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=True, bool_vars_idx=bool_idx)
-print(sol)
-print(sol['x'])
+sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=True, bool_vars_idx=bool_idx)
\ No newline at end of file