diff --git a/README.md b/README.md
index f1b08b7..39bbe35 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Note: This tap currently does not support incremental state.
 
 A full list of supported settings and capabilities is available by running: `tap-csv --about`
 
-The `config.json` contains an array called `files` that consists of dictionary objects detailing each destination table to be passed to Singer. Each of those entries contains: 
+The `config.json` contains an array called `files` that consists of dictionary objects detailing each destination table to be passed to Singer. Each of those entries contains:
 * `entity`: The entity name to be passed to singer (i.e. the table)
 * `path`: Local path to the file to be ingested. Note that this may be a directory, in which case all files in that directory and any of its subdirectories will be recursively processed
 * `keys`: The names of the columns that constitute the unique keys for that entity
@@ -41,7 +41,7 @@ Example:
 
 ```json
 {
-	"files":	[ 	
+	"files":	[
 					{	"entity" : "leads",
 						"path" : "/path/to/leads.csv",
 						"keys" : ["Id"],
@@ -69,7 +69,7 @@ Optionally, the files definition can be provided by an external json file:
 
 **files_def.json**
 ```json
-[ 	
+[
 	{	"entity" : "leads",
 		"path" : "/path/to/leads.csv",
 		"keys" : ["Id"]
@@ -155,5 +155,5 @@ meltano elt tap-csv target-jsonl
 
 ### SDK Dev Guide
 
-See the [dev guide](https://sdk.meltano.com/en/latest/dev_guide.html) for more instructions on how to use the SDK to 
+See the [dev guide](https://sdk.meltano.com/en/latest/dev_guide.html) for more instructions on how to use the SDK to
 develop your own taps and targets.
diff --git a/poetry.lock b/poetry.lock
index ff0221b..b6a02f8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1173,6 +1173,32 @@ files = [
     {file = "rpds_py-0.17.1.tar.gz", hash = "sha256:0210b2668f24c078307260bf88bdac9d6f1093635df5123789bfee4d8d7fc8e7"},
 ]
 
+[[package]]
+name = "ruff"
+version = "0.1.15"
+description = "An extremely fast Python linter and code formatter, written in Rust."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "ruff-0.1.15-py3-none-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl", hash = "sha256:5fe8d54df166ecc24106db7dd6a68d44852d14eb0729ea4672bb4d96c320b7df"},
+    {file = "ruff-0.1.15-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:6f0bfbb53c4b4de117ac4d6ddfd33aa5fc31beeaa21d23c45c6dd249faf9126f"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:e0d432aec35bfc0d800d4f70eba26e23a352386be3a6cf157083d18f6f5881c8"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:9405fa9ac0e97f35aaddf185a1be194a589424b8713e3b97b762336ec79ff807"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:c66ec24fe36841636e814b8f90f572a8c0cb0e54d8b5c2d0e300d28a0d7bffec"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:6f8ad828f01e8dd32cc58bc28375150171d198491fc901f6f98d2a39ba8e3ff5"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:86811954eec63e9ea162af0ffa9f8d09088bab51b7438e8b6488b9401863c25e"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:fd4025ac5e87d9b80e1f300207eb2fd099ff8200fa2320d7dc066a3f4622dc6b"},
+    {file = "ruff-0.1.15-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b17b93c02cdb6aeb696effecea1095ac93f3884a49a554a9afa76bb125c114c1"},
+    {file = "ruff-0.1.15-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:ddb87643be40f034e97e97f5bc2ef7ce39de20e34608f3f829db727a93fb82c5"},
+    {file = "ruff-0.1.15-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:abf4822129ed3a5ce54383d5f0e964e7fef74a41e48eb1dfad404151efc130a2"},
+    {file = "ruff-0.1.15-py3-none-musllinux_1_2_i686.whl", hash = "sha256:6c629cf64bacfd136c07c78ac10a54578ec9d1bd2a9d395efbee0935868bf852"},
+    {file = "ruff-0.1.15-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:1bab866aafb53da39c2cadfb8e1c4550ac5340bb40300083eb8967ba25481447"},
+    {file = "ruff-0.1.15-py3-none-win32.whl", hash = "sha256:2417e1cb6e2068389b07e6fa74c306b2810fe3ee3476d5b8a96616633f40d14f"},
+    {file = "ruff-0.1.15-py3-none-win_amd64.whl", hash = "sha256:3837ac73d869efc4182d9036b1405ef4c73d9b1f88da2413875e34e0d6919587"},
+    {file = "ruff-0.1.15-py3-none-win_arm64.whl", hash = "sha256:9a933dfb1c14ec7a33cceb1e49ec4a16b51ce3c20fd42663198746efc0427360"},
+    {file = "ruff-0.1.15.tar.gz", hash = "sha256:f6dfa8c1b21c913c326919056c390966648b680966febcb796cc9d1aaab8564e"},
+]
+
 [[package]]
 name = "setuptools"
 version = "69.0.3"
@@ -1541,4 +1567,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8"
-content-hash = "18411a7e8c6f8d0a562c4c7ded0ce3cebce890057506f6d2bd42056569627800"
+content-hash = "b5ef63988ed673be87b89b419e5c82e85bbb1006e9dbd9bb8c10d67e85342d14"
diff --git a/pyproject.toml b/pyproject.toml
index 7400d09..e24345d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ singer-sdk = "~=0.34.0"
 coverage = ">=7.2"
 mypy = ">=1.4"
 pytest = ">=7.4.4"
+ruff = ">=0.1.15"
 types-requests = ">=2.31.0"
 
 [build-system]
diff --git a/tap_csv/tests/data/alphabet_encoding.csv b/tap_csv/tests/data/alphabet_encoding.csv
index 0fd2c57..8b092e0 100644
--- a/tap_csv/tests/data/alphabet_encoding.csv
+++ b/tap_csv/tests/data/alphabet_encoding.csv
@@ -1,4 +1,4 @@
 col1,col2,col3
 Á,b,c
 d,e,f
-g,h,i
\ No newline at end of file
+g,h,i