diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..eb8d4f1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,24 @@
+name: CI
+on: push
+
+jobs:
+  ci:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+        poetry-version: ["1.1.13"]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - uses: abatilo/actions-poetry@v2.0.0
+        with:
+          poetry-version: ${{ matrix.poetry-version }}
+      - run: poetry install
+      - run: poetry build
+      - run: poetry run pytest
+      - run: poetry run pycodestyle releaser tests
diff --git a/poetry.lock b/poetry.lock
index 88cf051..84233ed 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -74,12 +74,12 @@ python-versions = ">=3.7"
 gitdb = ">=4.0.1,<5"
 
 [[package]]
-name = "more-itertools"
-version = "8.12.0"
-description = "More routines for operating on iterables, beyond itertools"
+name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = "*"
 
 [[package]]
 name = "packaging"
@@ -94,14 +94,15 @@ pyparsing = ">=2.0.2,<3.0.5 || >3.0.5"
 
 [[package]]
 name = "pluggy"
-version = "0.13.1"
+version = "1.0.0"
 description = "plugin and hook calling mechanisms for python"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.6"
 
 [package.extras]
 dev = ["pre-commit", "tox"]
+testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "py"
@@ -132,25 +133,24 @@ diagrams = ["railroad-diagrams", "jinja2"]
 
 [[package]]
 name = "pytest"
-version = "5.4.3"
+version = "7.1.2"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.7"
 
 [package.dependencies]
 atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
-attrs = ">=17.4.0"
+attrs = ">=19.2.0"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
-more-itertools = ">=4.0.0"
+iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<1.0"
-py = ">=1.5.0"
-wcwidth = "*"
+pluggy = ">=0.12,<2.0"
+py = ">=1.8.2"
+tomli = ">=1.0.0"
 
 [package.extras]
-checkqa-mypy = ["mypy (==v0.761)"]
-testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "xmlschema"]
 
 [[package]]
 name = "smmap"
@@ -169,17 +169,17 @@ optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
-name = "wcwidth"
-version = "0.2.5"
-description = "Measures the displayed width of unicode strings in a terminal"
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=3.7"
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.10"
-content-hash = "dec65b4b10e8376da432a4241d0553009a04c8fd6e51a102e24bee39124f0cbd"
+python-versions = "^3.8"
+content-hash = "0e4abd402e1a18356ca6bd08b874a21f142eed489e573ed49bac813fc70fbb28"
 
 [metadata.files]
 atomicwrites = [
@@ -210,17 +210,17 @@ gitpython = [
     {file = "GitPython-3.1.27-py3-none-any.whl", hash = "sha256:5b68b000463593e05ff2b261acff0ff0972df8ab1b70d3cdbd41b546c8b8fc3d"},
     {file = "GitPython-3.1.27.tar.gz", hash = "sha256:1c885ce809e8ba2d88a29befeb385fcea06338d3640712b59ca623c220bb5704"},
 ]
-more-itertools = [
-    {file = "more-itertools-8.12.0.tar.gz", hash = "sha256:7dc6ad46f05f545f900dd59e8dfb4e84a4827b97b3cfecb175ea0c7d247f6064"},
-    {file = "more_itertools-8.12.0-py3-none-any.whl", hash = "sha256:43e6dd9942dffd72661a2c4ef383ad7da1e6a3e968a927ad7a6083ab410a688b"},
+iniconfig = [
+    {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
+    {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
 ]
 packaging = [
     {file = "packaging-21.3-py3-none-any.whl", hash = "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"},
     {file = "packaging-21.3.tar.gz", hash = "sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb"},
 ]
 pluggy = [
-    {file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
-    {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
+    {file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
+    {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
 ]
 py = [
     {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
@@ -235,8 +235,8 @@ pyparsing = [
     {file = "pyparsing-3.0.8.tar.gz", hash = "sha256:7bf433498c016c4314268d95df76c81b842a4cb2b276fa3312cfb1e1d85f6954"},
 ]
 pytest = [
-    {file = "pytest-5.4.3-py3-none-any.whl", hash = "sha256:5c0db86b698e8f170ba4582a492248919255fcd4c79b1ee64ace34301fb589a1"},
-    {file = "pytest-5.4.3.tar.gz", hash = "sha256:7979331bfcba207414f5e1263b5a0f8f521d0f457318836a7355531ed1a4c7d8"},
+    {file = "pytest-7.1.2-py3-none-any.whl", hash = "sha256:13d0e3ccfc2b6e26be000cb6568c832ba67ba32e719443bfe725814d3c42433c"},
+    {file = "pytest-7.1.2.tar.gz", hash = "sha256:a06a0425453864a270bc45e71f783330a7428defb4230fb5e6a731fde06ecd45"},
 ]
 smmap = [
     {file = "smmap-5.0.0-py3-none-any.whl", hash = "sha256:2aba19d6a040e78d8b09de5c57e96207b09ed71d8e55ce0959eeee6c8e190d94"},
@@ -246,7 +246,7 @@ toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
     {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
-wcwidth = [
-    {file = "wcwidth-0.2.5-py2.py3-none-any.whl", hash = "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784"},
-    {file = "wcwidth-0.2.5.tar.gz", hash = "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"},
+tomli = [
+    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
 ]
diff --git a/pyproject.toml b/pyproject.toml
index e966082..12c558f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,21 +1,22 @@
 [tool.poetry]
 name = "releaser"
-version = "0.1.0"
+version = "2022.5.0"
 description = ""
 authors = ["Piper McCorkle <piper@lutris.engineering>"]
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.8"
 click = "^8.1.3"
 GitPython = "^3.1.27"
 
 [tool.poetry.dev-dependencies]
-pytest = "^5.2"
+pytest = "^7.1.2"
 autopep8 = "^1.6.0"
+pycodestyle = "^2.8.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.scripts]
-releaser = 'releaser.cli:releaser'
\ No newline at end of file
+releaser = 'releaser.cli:releaser'
diff --git a/releaser/cli.py b/releaser/cli.py
index f2709b2..912a63b 100644
--- a/releaser/cli.py
+++ b/releaser/cli.py
@@ -41,7 +41,8 @@ def update():
     print("  git push --tags")
 
 
-@releaser.command(help="Exits with code zero if this commit is tagged with a valid version number, non-zero otherwise")
+@releaser.command(help="Exits with code zero if this commit is tagged with a" +
+                  " valid version number, non-zero otherwise")
 def check_tag():
     project = Project()
     version = project.tagged_version()
diff --git a/releaser/project.py b/releaser/project.py
index f6cd763..9d48402 100644
--- a/releaser/project.py
+++ b/releaser/project.py
@@ -5,7 +5,8 @@
 from git import Commit, Repo
 from releaser.io import default_git_actor, prepend
 
-from releaser.versions import Version, format_version, increment_version, parse_version
+from releaser.versions import \
+    Version, format_version, increment_version, parse_version
 
 
 class Project:
@@ -24,7 +25,7 @@ def current_version(self) -> Optional[Version]:
             with open(self.release_notes_path(), "r") as f:
                 firstline = f.readline().strip().removeprefix("# ")
             return parse_version(firstline)
-        except:
+        except Exception:
             return None
 
     def next_version(self) -> Version:
@@ -35,7 +36,8 @@ def commits_since_current_version(self) -> Iterator[Commit]:
         if current_version is None:
             return self.repo.iter_commits(rev="HEAD")
         else:
-            return self.repo.iter_commits(rev=f"{format_version(current_version)}..HEAD")
+            formatted = format_version(current_version)
+            return self.repo.iter_commits(rev=f"{formatted}..HEAD")
 
     def generate_changelog_entry(self, new_version=None):
         if new_version is None:
@@ -68,6 +70,6 @@ def tagged_version(self) -> Optional[Version]:
             if tag.commit == head:
                 try:
                     return parse_version(tag.name)
-                except:
+                except Exception:
                     pass
         return None