diff --git a/configure.py b/configure.py
index fa4a43b..fd2354f 100755
--- a/configure.py
+++ b/configure.py
@@ -106,7 +106,7 @@ parser.add_argument(
     "--ninja",
     metavar="BINARY",
     type=Path,
-    help="path to ninja binary (optional)"
+    help="path to ninja binary (optional)",
 )
 parser.add_argument(
     "--verbose",
@@ -158,8 +158,8 @@ if not config.non_matching:
 # Tool versions
 config.binutils_tag = "2.42-1"
 config.compilers_tag = "20250812"
-config.dtk_tag = "v1.7.0"
-config.objdiff_tag = "v3.4.0"
+config.dtk_tag = "v1.7.1"
+config.objdiff_tag = "v3.4.1"
 config.sjiswrap_tag = "v1.2.2"
 config.wibo_tag = "1.0.0-beta.4"
 
@@ -312,6 +312,7 @@ def link_order_callback(module_id: int, objects: List[str]) -> List[str]:
         return objects + ["dummy.c"]
     return objects
 
+
 # Uncomment to enable the link order callback.
 # config.link_order_callback = link_order_callback
 
diff --git a/tools/project.py b/tools/project.py
index c363b19..f3b4767 100644
--- a/tools/project.py
+++ b/tools/project.py
@@ -18,11 +18,10 @@ import platform
 import sys
 from pathlib import Path
 from typing import (
+    IO,
     Any,
     Callable,
-    cast,
     Dict,
-    IO,
     Iterable,
     List,
     Optional,
@@ -30,6 +29,7 @@ from typing import (
     Tuple,
     TypedDict,
     Union,
+    cast,
 )
 
 from . import ninja_syntax
@@ -167,7 +167,9 @@ class ProjectConfig:
         self.asflags: Optional[List[str]] = None  # Assembler flags
         self.ldflags: Optional[List[str]] = None  # Linker flags
         self.libs: Optional[List[Library]] = None  # List of libraries
-        self.precompiled_headers: Optional[List[PrecompiledHeader]] = None  # List of precompiled headers
+        self.precompiled_headers: Optional[List[PrecompiledHeader]] = (
+            None  # List of precompiled headers
+        )
         self.linker_version: Optional[str] = None  # mwld version
         self.version: Optional[str] = None  # Version name
         self.warn_missing_config: bool = False  # Warn on missing unit configuration
@@ -198,12 +200,12 @@ class ProjectConfig:
         self.link_order_callback: Optional[Callable[[int, List[str]], List[str]]] = (
             None  # Callback to add/remove/reorder units within a module
         )
-        self.context_exclude_globs: List[str] = (
-            []  # Globs to exclude from context files
-        )
-        self.context_defines: List[str] = (
-            []  # Macros to define at the top of context files
-        )
+        self.context_exclude_globs: List[
+            str
+        ] = []  # Globs to exclude from context files
+        self.context_defines: List[
+            str
+        ] = []  # Macros to define at the top of context files
 
         # Progress output and report.json config
         self.progress = True  # Enable report.json generation and CLI progress output
@@ -680,9 +682,11 @@ def generate_build_ninja(
     mwcc_pch_sjis_implicit: List[Optional[Path]] = [*mwcc_implicit, sjiswrap]
 
     # MWCC with extab post-processing
-    mwcc_extab_cmd = f"{CHAIN}{mwcc_cmd} && {dtk} extab clean --padding \"$extab_padding\" $out $out"
+    mwcc_extab_cmd = (
+        f'{CHAIN}{mwcc_cmd} && {dtk} extab clean --padding "$extab_padding" $out $out'
+    )
     mwcc_extab_implicit: List[Optional[Path]] = [*mwcc_implicit, dtk]
-    mwcc_sjis_extab_cmd = f"{CHAIN}{mwcc_sjis_cmd} && {dtk} extab clean --padding \"$extab_padding\" $out $out"
+    mwcc_sjis_extab_cmd = f'{CHAIN}{mwcc_sjis_cmd} && {dtk} extab clean --padding "$extab_padding" $out $out'
     mwcc_sjis_extab_implicit: List[Optional[Path]] = [*mwcc_sjis_implicit, dtk]
 
     # MWLD
@@ -820,7 +824,11 @@ def generate_build_ninja(
         )
         n.newline()
 
-    def write_custom_step(step: str, prev_step: Optional[str] = None, extra_inputs: Optional[List[str]] = None) -> None:
+    def write_custom_step(
+        step: str,
+        prev_step: Optional[str] = None,
+        extra_inputs: Optional[List[str]] = None,
+    ) -> None:
         implicit: List[Union[str, Path]] = []
         if config.custom_build_steps and step in config.custom_build_steps:
             n.comment(f"Custom build steps ({step})")
@@ -854,7 +862,9 @@ def generate_build_ninja(
         )
 
     # Add all build steps needed before we compile (e.g. processing assets)
-    pch_out_names = [get_pch_out_name(config, pch) for pch in config.precompiled_headers or []]
+    pch_out_names = [
+        get_pch_out_name(config, pch) for pch in config.precompiled_headers or []
+    ]
     write_custom_step("pre-compile", extra_inputs=pch_out_names)
 
     ###
@@ -974,7 +984,11 @@ def generate_build_ninja(
                 n.comment(f"Precompiled header {pch_out_name}")
                 n.build(
                     outputs=pch_out_abs_path,
-                    rule="mwcc_pch_sjis" if pch.get("shift_jis", config.shift_jis) else "mwcc_pch",
+                    rule=(
+                        "mwcc_pch_sjis"
+                        if pch.get("shift_jis", config.shift_jis)
+                        else "mwcc_pch"
+                    ),
                     inputs=f"include/{src_path_rel_str}",
                     variables={
                         "mw_version": Path(pch["mw_version"]),
@@ -1027,14 +1041,18 @@ def generate_build_ninja(
             if obj.options["shift_jis"] and obj.options["extab_padding"] is not None:
                 build_rule = "mwcc_sjis_extab"
                 build_implcit = mwcc_sjis_extab_implicit
-                variables["extab_padding"] = "".join(f"{i:02x}" for i in obj.options["extab_padding"])
+                variables["extab_padding"] = "".join(
+                    f"{i:02x}" for i in obj.options["extab_padding"]
+                )
             elif obj.options["shift_jis"]:
                 build_rule = "mwcc_sjis"
                 build_implcit = mwcc_sjis_implicit
             elif obj.options["extab_padding"] is not None:
                 build_rule = "mwcc_extab"
                 build_implcit = mwcc_extab_implicit
-                variables["extab_padding"] = "".join(f"{i:02x}" for i in obj.options["extab_padding"])
+                variables["extab_padding"] = "".join(
+                    f"{i:02x}" for i in obj.options["extab_padding"]
+                )
             n.comment(f"{obj.name}: {lib_name} (linked {obj.completed})")
             n.build(
                 outputs=obj.src_obj_path,