diff --git a/README.md b/README.md
index f226c13..ec71250 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ We'd love to hear your feedback. Please [create an issue](https://github.com/Git
 
 ## Requirements
 
-Python >= 3.9 or Docker
+Python >= 3.10 or Docker
 
 ## License
 
diff --git a/pyproject.toml b/pyproject.toml
index 3da058d..7249d1b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "seclab-taskflows"
 dynamic = ["version"]
 description = 'Example taskflows to use with the the GitHub Security Lab Taskflow Agent Framework (https://github.com/GitHubSecurityLab/seclab-taskflow-agent)'
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = "MIT"
 keywords = []
 authors = [
@@ -16,8 +16,6 @@ authors = [
 classifiers = [
   "Development Status :: 4 - Beta",
   "Programming Language :: Python",
-  "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",
diff --git a/src/seclab_taskflows/mcp_servers/alert_results_models.py b/src/seclab_taskflows/mcp_servers/alert_results_models.py
index 0cb4b87..8f6331f 100644
--- a/src/seclab_taskflows/mcp_servers/alert_results_models.py
+++ b/src/seclab_taskflows/mcp_servers/alert_results_models.py
@@ -23,7 +23,7 @@ class AlertResults(Base):
     language: Mapped[str]
     location: Mapped[str]
     result: Mapped[str] = mapped_column(Text)
-    created: Mapped[Optional[str]]
+    created: Mapped[str | None]
     valid: Mapped[bool] = mapped_column(nullable=False, default=True)
     completed: Mapped[bool] = mapped_column(nullable=False, default=False)
 
@@ -44,8 +44,8 @@ class AlertFlowGraph(Base):
     alert_canonical_id = Column(Integer, ForeignKey("alert_results.canonical_id", ondelete="CASCADE"))
     flow_data: Mapped[str] = mapped_column(Text)
     repo: Mapped[str]
-    prev: Mapped[Optional[str]]
-    next: Mapped[Optional[str]]
+    prev: Mapped[str | None]
+    next: Mapped[str | None]
     started: Mapped[bool] = mapped_column(nullable=False, default=False)
 
     def __repr__(self):
diff --git a/src/seclab_taskflows/mcp_servers/codeql_python/codeql_sqlite_models.py b/src/seclab_taskflows/mcp_servers/codeql_python/codeql_sqlite_models.py
index 8895f8e..693262a 100644
--- a/src/seclab_taskflows/mcp_servers/codeql_python/codeql_sqlite_models.py
+++ b/src/seclab_taskflows/mcp_servers/codeql_python/codeql_sqlite_models.py
@@ -18,7 +18,7 @@ class Source(Base):
     source_location: Mapped[str]
     line: Mapped[int]
     source_type: Mapped[str]
-    notes: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
+    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
 
     def __repr__(self):
         return (
diff --git a/src/seclab_taskflows/mcp_servers/ghsa_models.py b/src/seclab_taskflows/mcp_servers/ghsa_models.py
index 4a1cfe2..7c553cf 100644
--- a/src/seclab_taskflows/mcp_servers/ghsa_models.py
+++ b/src/seclab_taskflows/mcp_servers/ghsa_models.py
@@ -16,11 +16,11 @@ class GHSA(Base):
     ghsa_id: Mapped[str]
     repo: Mapped[str]
     severity: Mapped[str]
-    cve_id: Mapped[Optional[str]] = mapped_column(nullable=True)
-    description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
-    summary: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
-    published_at: Mapped[Optional[str]] = mapped_column(nullable=True)
-    state: Mapped[Optional[str]] = mapped_column(nullable=True)
+    cve_id: Mapped[str | None] = mapped_column(nullable=True)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    summary: Mapped[str | None] = mapped_column(Text, nullable=True)
+    published_at: Mapped[str | None] = mapped_column(nullable=True)
+    state: Mapped[str | None] = mapped_column(nullable=True)
 
     def __repr__(self):
         return (
@@ -38,7 +38,7 @@ class GHSASummary(Base):
     high_severity_count: Mapped[int]
     medium_severity_count: Mapped[int]
     low_severity_count: Mapped[int]
-    summary_notes: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
+    summary_notes: Mapped[str | None] = mapped_column(Text, nullable=True)
 
     def __repr__(self):
         return (