diff --git a/.github/workflows/daily_deps_test.yml b/.github/workflows/daily_deps_test.yml
index 878e3c517..1385b20f8 100644
--- a/.github/workflows/daily_deps_test.yml
+++ b/.github/workflows/daily_deps_test.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         pydantic-version: ['main']
         include:
           - python-version: '3.12'
diff --git a/pyproject.toml b/pyproject.toml
index 7568b23d4..689ddad73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -101,7 +101,8 @@ dev = [
     "pytest >= 8.3.4",
     "pytest-django >= 4.6.0",
     "pytest-pretty >= 1.2.0",
-    "pydantic @ git+https://github.com/pydantic/pydantic",
+    "pydantic @ git+https://github.com/pydantic/pydantic; python_version >= '3.9'",
+    "pydantic==2.10.5; python_version < '3.9'",
     "requests >= 2.31.0",
     "sqlalchemy >= 1.4.54",
     "pandas>=2.1.2; python_version >= '3.9'",
diff --git a/uv.lock b/uv.lock
index e5af5ff84..ac97845d9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -206,7 +206,8 @@ dependencies = [
     { name = "distro" },
     { name = "httpx" },
     { name = "jiter" },
-    { name = "pydantic" },
+    { name = "pydantic", version = "2.10.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "pydantic", version = "2.10.5", source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }, marker = "python_full_version >= '3.9'" },
     { name = "sniffio" },
     { name = "typing-extensions" },
 ]
@@ -649,7 +650,7 @@ name = "click"
 version = "8.1.8"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "colorama", marker = "platform_system == 'Windows'" },
+    { name = "colorama", marker = "sys_platform == 'win32'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/b9/2e/0090cbf739cee7d23781ad4b89a9894a41538e4fcf4c31dcdd705b78eb8b/click-8.1.8.tar.gz", hash = "sha256:ed53c9d8990d83c2a27deae68e4ee337473f6330c040a31d4225c9574d16096a", size = 226593 }
 wheels = [
@@ -956,7 +957,8 @@ name = "fastapi"
 version = "0.115.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "pydantic" },
+    { name = "pydantic", version = "2.10.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "pydantic", version = "2.10.5", source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }, marker = "python_full_version >= '3.9'" },
     { name = "starlette" },
     { name = "typing-extensions" },
 ]
@@ -1553,7 +1555,8 @@ dev = [
     { name = "psycopg2-binary" },
     { name = "pyarrow", version = "17.0.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.13'" },
     { name = "pyarrow", version = "18.1.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.13'" },
-    { name = "pydantic" },
+    { name = "pydantic", version = "2.10.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "pydantic", version = "2.10.5", source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }, marker = "python_full_version >= '3.9'" },
     { name = "pymongo" },
     { name = "pymysql" },
     { name = "pyright" },
@@ -1676,7 +1679,8 @@ dev = [
     { name = "psycopg2-binary", specifier = ">=2.9.10" },
     { name = "pyarrow", marker = "python_full_version < '3.13'", specifier = ">=17.0.0" },
     { name = "pyarrow", marker = "python_full_version >= '3.13'", specifier = ">=18.1.0" },
-    { name = "pydantic", git = "https://github.com/pydantic/pydantic" },
+    { name = "pydantic", marker = "python_full_version < '3.9'", specifier = "==2.10.5" },
+    { name = "pydantic", marker = "python_full_version >= '3.9'", git = "https://github.com/pydantic/pydantic" },
     { name = "pymongo", specifier = ">=4.10.1" },
     { name = "pymysql", specifier = ">=1.1.1" },
     { name = "pyright", specifier = ">=1.1.360" },
@@ -1851,7 +1855,7 @@ version = "1.6.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
-    { name = "colorama", marker = "platform_system == 'Windows'" },
+    { name = "colorama", marker = "sys_platform == 'win32'" },
     { name = "ghp-import" },
     { name = "importlib-metadata", marker = "python_full_version < '3.10'" },
     { name = "jinja2" },
@@ -2301,7 +2305,8 @@ dependencies = [
     { name = "distro" },
     { name = "httpx" },
     { name = "jiter" },
-    { name = "pydantic" },
+    { name = "pydantic", version = "2.10.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "pydantic", version = "2.10.5", source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }, marker = "python_full_version >= '3.9'" },
     { name = "sniffio" },
     { name = "tqdm" },
     { name = "typing-extensions" },
@@ -3350,14 +3355,44 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/13/a3/a812df4e2dd5696d1f351d58b8fe16a405b234ad2886a0dab9183fb78109/pycparser-2.22-py3-none-any.whl", hash = "sha256:c3702b6d3dd8c7abc1afa565d7e63d53a1d0bd86cdc24edd75470f4de499cfcc", size = 117552 },
 ]
 
+[[package]]
+name = "pydantic"
+version = "2.10.5"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+    "python_full_version < '3.9' and platform_python_implementation == 'PyPy'",
+    "python_full_version < '3.9' and platform_python_implementation != 'PyPy'",
+]
+dependencies = [
+    { name = "annotated-types", marker = "python_full_version < '3.9'" },
+    { name = "pydantic-core", marker = "python_full_version < '3.9'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.9'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/6a/c7/ca334c2ef6f2e046b1144fe4bb2a5da8a4c574e7f2ebf7e16b34a6a2fa92/pydantic-2.10.5.tar.gz", hash = "sha256:278b38dbbaec562011d659ee05f63346951b3a248a6f3642e1bc68894ea2b4ff", size = 761287 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/58/26/82663c79010b28eddf29dcdd0ea723439535fa917fce5905885c0e9ba562/pydantic-2.10.5-py3-none-any.whl", hash = "sha256:4dd4e322dbe55472cb7ca7e73f4b63574eecccf2835ffa2af9021ce113c83c53", size = 431426 },
+]
+
 [[package]]
 name = "pydantic"
 version = "2.10.5"
 source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }
+resolution-markers = [
+    "python_full_version == '3.9.*' and platform_python_implementation == 'PyPy'",
+    "python_full_version == '3.9.*' and platform_python_implementation != 'PyPy'",
+    "python_full_version == '3.10.*' and platform_python_implementation == 'PyPy'",
+    "python_full_version == '3.10.*' and platform_python_implementation != 'PyPy'",
+    "python_full_version == '3.11.*' and platform_python_implementation == 'PyPy'",
+    "python_full_version == '3.11.*' and platform_python_implementation != 'PyPy'",
+    "python_full_version == '3.12.*' and platform_python_implementation == 'PyPy'",
+    "python_full_version == '3.12.*' and platform_python_implementation != 'PyPy'",
+    "python_full_version >= '3.13' and platform_python_implementation == 'PyPy'",
+    "python_full_version >= '3.13' and platform_python_implementation != 'PyPy'",
+]
 dependencies = [
-    { name = "annotated-types" },
-    { name = "pydantic-core" },
-    { name = "typing-extensions" },
+    { name = "annotated-types", marker = "python_full_version >= '3.9'" },
+    { name = "pydantic-core", marker = "python_full_version >= '3.9'" },
+    { name = "typing-extensions", marker = "python_full_version >= '3.9'" },
 ]
 
 [[package]]
@@ -4056,7 +4091,8 @@ name = "sqlmodel"
 version = "0.0.22"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "pydantic" },
+    { name = "pydantic", version = "2.10.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
+    { name = "pydantic", version = "2.10.5", source = { git = "https://github.com/pydantic/pydantic#4e055d56471651bca5ce8907c671bc6339d309fe" }, marker = "python_full_version >= '3.9'" },
     { name = "sqlalchemy" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/b5/39/8641040ab0d5e1d8a1c2325ae89a01ae659fc96c61a43d158fb71c9a0bf0/sqlmodel-0.0.22.tar.gz", hash = "sha256:7d37c882a30c43464d143e35e9ecaf945d88035e20117bf5ec2834a23cbe505e", size = 116392 }
@@ -4184,7 +4220,7 @@ name = "tqdm"
 version = "4.67.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "colorama", marker = "platform_system == 'Windows'" },
+    { name = "colorama", marker = "sys_platform == 'win32'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/a8/4b/29b4ef32e036bb34e4ab51796dd745cdba7ed47ad142a9f4a1eb8e0c744d/tqdm-4.67.1.tar.gz", hash = "sha256:f8aef9c52c08c13a65f30ea34f4e5aac3fd1a34959879d7e59e63027286627f2", size = 169737 }
 wheels = [