diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e309acb..0ab2d91 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.2.0
+    rev: v4.5.0
     hooks:
     -   id: check-yaml
 
@@ -10,24 +10,24 @@ repos:
       - id: isort
 
 -   repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 23.9.1
     hooks:
       - id: black
         name: black
 
 -   repo: https://github.com/pycqa/flake8
-    rev: 6.0.0
+    rev: 6.1.0
     hooks:
     -   id: flake8
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.991
+    rev: v1.6.0
     hooks:
     -   id: mypy
         additional_dependencies: [types-requests, types-setuptools, pydantic, types-pkg-resources]
 
 -   repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.14
+    rev: 0.7.17
     hooks:
     -   id: mdformat
         additional_dependencies: [mdformat-gfm, mdformat-frontmatter]
diff --git a/ape_solidity/_utils.py b/ape_solidity/_utils.py
index 9c03891..f197554 100644
--- a/ape_solidity/_utils.py
+++ b/ape_solidity/_utils.py
@@ -10,7 +10,7 @@
 from ape.logging import logger
 from packaging.version import InvalidVersion
 from packaging.version import Version as _Version
-from pydantic import BaseModel, validator
+from pydantic import BaseModel, field_validator
 from semantic_version import NpmSpec, Version  # type: ignore
 from solcx.exceptions import SolcError  # type: ignore
 from solcx.install import get_executable  # type: ignore
@@ -37,7 +37,7 @@ class ImportRemapping(BaseModel):
     entry: str
     packages_cache: Path
 
-    @validator("entry")
+    @field_validator("entry", mode="before")
     def validate_entry(cls, value):
         if len((value or "").split("=")) != 2:
             raise IncorrectMappingFormatError()
diff --git a/ape_solidity/compiler.py b/ape_solidity/compiler.py
index b92fa38..194bf8f 100644
--- a/ape_solidity/compiler.py
+++ b/ape_solidity/compiler.py
@@ -196,7 +196,7 @@ def get_import_remapping(self, base_path: Optional[Path] = None) -> Dict[str, st
                     logger.debug(f"Unable to find dependency '{package_id}'.")
 
                 else:
-                    manifest = PackageManifest.parse_file(cached_manifest_file)
+                    manifest = PackageManifest.model_validate_json(cached_manifest_file.read_text())
                     self._add_dependencies(manifest, sub_contracts_cache, builder)
 
         # Update cache and hash
@@ -280,7 +280,7 @@ def _add_dependencies(
                 / f"{dependency_name}.json"
             )
             if dependency_path.is_file():
-                sub_manifest = PackageManifest.parse_file(dependency_path)
+                sub_manifest = PackageManifest.model_validate_json(dependency_path.read_text())
                 dep_id = Path(dependency_name) / version
                 if dep_id not in builder.dependencies_added:
                     builder.dependencies_added.add(dep_id)
@@ -422,7 +422,7 @@ def classify_ast(_node: ASTNode):
 
             for source_id, contracts_out in contracts.items():
                 ast_data = output["sources"][source_id]["ast"]
-                ast = ASTNode.parse_obj(ast_data)
+                ast = ASTNode.model_validate(ast_data)
                 classify_ast(ast)
 
                 for contract_name, ct_data in contracts_out.items():
@@ -470,7 +470,7 @@ def classify_ast(_node: ASTNode):
                     ct_data["devdoc"] = load_dict(ct_data["devdoc"])
                     ct_data["sourcemap"] = evm_data["bytecode"]["sourceMap"]
                     ct_data["ast"] = ast
-                    contract_type = ContractType.parse_obj(ct_data)
+                    contract_type = ContractType.model_validate(ct_data)
                     contract_types.append(contract_type)
                     solc_versions_by_contract_name[contract_name] = solc_version
 
@@ -778,7 +778,7 @@ def flatten_contract(self, path: Path, **kwargs) -> Content:
         source = "\n".join([pragma, source])
         lines = source.splitlines()
         line_dict = {i + 1: line for i, line in enumerate(lines)}
-        return Content(__root__=line_dict)
+        return Content(root=line_dict)
 
 
 def remove_imports(flattened_contract: str) -> str:
diff --git a/setup.py b/setup.py
index 848d459..e187c26 100644
--- a/setup.py
+++ b/setup.py
@@ -11,14 +11,14 @@
         "hypothesis>=6.2.0,<7.0",  # Strategy-based fuzzer
     ],
     "lint": [
-        "black>=23.3.0,<24",  # Auto-formatter and linter
-        "mypy>=0.991,<1",  # Static type analyzer
+        "black>=23.9.1,<24",  # Auto-formatter and linter
+        "mypy>=1.6.0,<2",  # Static type analyzer
         "types-requests",  # Needed due to mypy typeshed
         "types-setuptools",  # Needed due to mypy typeshed
         "types-pkg-resources",  # Needed for type checking tests
-        "flake8>=6.0.0,<7",  # Style linter
+        "flake8>=6.1.0,<7",  # Style linter
         "isort>=5.10.1,<6",  # Import sorting linter
-        "mdformat>=0.7.16",  # Auto-formatter for markdown
+        "mdformat>=0.7.17",  # Auto-formatter for markdown
         "mdformat-gfm>=0.3.5",  # Needed for formatting GitHub-flavored markdown
         "mdformat-frontmatter>=0.4.1",  # Needed for frontmatters-style headers in issue templates
     ],