diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index c6c2cb8..48d017f 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,5 +1,5 @@
 pip==24.0
-poetry==1.8.2
+poetry @ git+https://github.com/radoering/poetry.git@pep621-support
 poetry-dynamic-versioning==1.3.0
 nox==2024.4.15
 nox-poetry==1.0.3
diff --git a/poetry.lock b/poetry.lock
index 576b562..1c5f5f4 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.9.0.dev0 and should not be changed by hand.
 
 [[package]]
 name = "appdirs"
@@ -1389,4 +1389,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8"
-content-hash = "2e035e9ea0169f8c2c4a39484ee34efdc8d904cb8f37e8167c700989dc8aadcb"
+content-hash = "8bd74b10df893436fb20d3ba9b8fa0f6ce5024ff4fd584f55aeb30a03017ecf7"
diff --git a/pyproject.toml b/pyproject.toml
index ab1d4a6..a892738 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,37 +1,48 @@
 [build-system]
 build-backend = "poetry_dynamic_versioning.backend"
 requires = [
-  "poetry-core==1.9",
+  "poetry-core@ git+https://github.com/radoering/poetry-core.git@pep621-support",
   "poetry-dynamic-versioning",
 ]
 
-[tool.poetry]
+[project]
 name = "tap-betterstack"
-version = "0.0.0"
 description = "`tap-betterstack` is a Singer tap for Better Stack, built with the Meltano SDK for Singer Taps."
-authors = ["Edgar Ramírez-Mondragón <edgarrm358@gmail.com>"]
+readme = "README.md"
 keywords = [
+  "Better Stack",
   "ELT",
   "singer.io",
-  "Better Stack",
 ]
-license = "Apache-2.0"
-readme = "README.md"
-homepage = "https://github.com/edgarrmondragon/tap-betterstack"
-repository = "https://github.com/edgarrmondragon/tap-betterstack"
-documentation = "https://github.com/edgarrmondragon/tap-betterstack#readme"
+license.file = "LICENSE"
+authors = [{ name = "Edgar Ramírez-Mondragón", email = "edgarrm358@gmail.com" }]
+requires-python = ">=3.8"
+classifiers = [
+  "Programming Language :: Python :: 3 :: Only",
+  "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",
+]
+dynamic = [
+  "version",
+]
+dependencies = [
+  "singer-sdk~=0.37.0",
+]
+urls.Documentation = "https://github.com/edgarrmondragon/tap-betterstack#readme"
+urls.Homepage = "https://github.com/edgarrmondragon/tap-betterstack"
+urls.Repository = "https://github.com/edgarrmondragon/tap-betterstack"
+scripts."tap-betterstack" = "tap_betterstack.tap:TapBetterStack.cli"
 
-[tool.poetry.dependencies]
-python = ">=3.8"
-singer-sdk = "~=0.37.0"
+[tool.poetry]
+name = "tap-betterstack"
+version = "0.0.0"
 
 [tool.poetry.group.dev.dependencies]
 singer-sdk = {version = "*", extras = ["testing"]}
 
-[tool.poetry.scripts]
-# CLI declaration
-"tap-betterstack" = "tap_betterstack.tap:TapBetterStack.cli"
-
 [tool.poetry-dynamic-versioning]
 enable = true
 format-jinja = """