diff --git a/.python-version b/.python-version
index 24ee5b1..e4fba21 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13
+3.12
diff --git a/pyproject.toml b/pyproject.toml
index 4ae2da1..cbeedd2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = []
 description = "A high-performance, SQLite-based distributed task queue system with Rust-backed core operations. Supports task mounting, message listening, priority handling, retry mechanisms, and automatic cleanup of expired messages. Ideal for building reliable, scalable background task processing systems."
 name = "queue-sqlite"
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = ">=3.7"
 version = "0.1.0"
 
 [[tool.uv.index]]
@@ -29,9 +29,10 @@ requires = ["hatchling"]
 
 [dependency-groups]
 dev = [
-  "maturin>=1.9.2",
-  "psutil>=7.0.0",
-  "pytest>=8.4.1",
+    "maturin>=1.9.4",
+    "psutil>=7.0.0",
+    "pytest>=7.4.4",
+    "twine>=4.0.2",
 ]
 
 [tool.hatch.build.targets.wheel]
diff --git a/src/core/pyproject.toml b/src/core/pyproject.toml
index 9fd6944..1a19c88 100644
--- a/src/core/pyproject.toml
+++ b/src/core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "core"
-requires-python = ">=3.8"
+requires-python = ">=3.7"
 classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",
diff --git a/src/queue_sqlite/core/core.pyd b/src/queue_sqlite/core/core.pyd
index d787250..0690a50 100644
Binary files a/src/queue_sqlite/core/core.pyd and b/src/queue_sqlite/core/core.pyd differ