diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9c0c1ac..05fee8e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -41,21 +41,13 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .
-    - name: Run1
+    - name: Smoke test
       run: |
+        python -c "from ipspot import *"
+        python -m ipspot --version
+        python -m ipspot --info
         ipspot --version
-    - name: Run2
-      run: |
         ipspot --info
-    - name: Run3
-      run: |
-        ipspot
-    - name: Run4
-      run: |
-        ipspot --no-geo --max-retries=5 --retry-delay=3
-    - name: Run5
-      run: |
-        ipspot --timeout=15
     - name: Install dev-requirements
       run: |
         pip install --upgrade --upgrade-strategy=only-if-needed -r requirements-dev.txt
@@ -80,6 +72,24 @@ jobs:
       run: |
         python otherfiles/version_check.py
       if: matrix.python-version == env.TEST_PYTHON_VERSION
+    - name: Build package
+      run: |
+        python -m build
+    - name: Check package metadata
+      run: |
+        twine check dist/*
+    - name: Wheel smoke test
+      shell: bash
+      run: |
+        pip uninstall -y ipspot
+        pip install dist/*.whl
+        mkdir wheel_test
+        cd wheel_test
+        python -c "from ipspot import *"
+        python -m ipspot --version
+        python -m ipspot --info
+        ipspot --version
+        ipspot --info
     - name: Other tests
       run: |
         python -m vulture ipspot/ setup.py --min-confidence 65 --exclude=__init__.py --sort-by-size
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9cd9a7..0819f3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - CLI messages updated
 - CLI modified
 - Dependencies structure modified
+- Test system modified
 ## [0.8] - 2026-02-05
 ### Added
 - Support [wtfismyip.com](https://wtfismyip.com/json) IPv6 API
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0b02ecd..cbb8e78 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,3 +4,5 @@ bandit>=1.5.1
 pydocstyle>=6.3.0
 pytest>=4.3.1
 pytest-cov>=2.6.1
+build>=1.1.1
+twine>=4.0.2