diff --git a/pyrightconfig.stricter.json b/pyrightconfig.stricter.json
index 29ea28e91..06d11f1a3 100644
--- a/pyrightconfig.stricter.json
+++ b/pyrightconfig.stricter.json
@@ -30,7 +30,6 @@
         "stubs/commonmark",
         "stubs/cryptography",
         "stubs/dateparser",
-        "stubs/dockerfile-parse",
         "stubs/docutils",
         "stubs/Flask-Migrate",
         "stubs/Flask-SQLAlchemy",
diff --git a/stubs/dockerfile-parse/METADATA.toml b/stubs/dockerfile-parse/METADATA.toml
index beccf3359..8d199dc3b 100644
--- a/stubs/dockerfile-parse/METADATA.toml
+++ b/stubs/dockerfile-parse/METADATA.toml
@@ -1,5 +1,4 @@
 version = "1.2.*"
-requires = ["types-six"]
 
 [tool.stubtest]
 ignore_missing_stub = false
diff --git a/stubs/dockerfile-parse/dockerfile_parse/util.pyi b/stubs/dockerfile-parse/dockerfile_parse/util.pyi
index a2304e96a..73f29abeb 100644
--- a/stubs/dockerfile-parse/dockerfile_parse/util.pyi
+++ b/stubs/dockerfile-parse/dockerfile_parse/util.pyi
@@ -21,10 +21,12 @@ class WordSplitter:
     def dequote(self) -> str: ...
     def split(self, maxsplit: int | None = ..., dequote: bool = ...) -> Generator[str | None, None, None]: ...
 
-def extract_key_values(env_replace: bool, args: Mapping[str, str], envs: Mapping[str, str], instruction_value: str): ...
+def extract_key_values(
+    env_replace: bool, args: Mapping[str, str], envs: Mapping[str, str], instruction_value: str
+) -> list[tuple[str, str]]: ...
 def get_key_val_dictionary(
-    instruction_value, env_replace: bool = ..., args: Mapping[str, str] | None = ..., envs: Mapping[str, str] | None = ...
-): ...
+    instruction_value: str, env_replace: bool = ..., args: Mapping[str, str] | None = ..., envs: Mapping[str, str] | None = ...
+) -> dict[str, str]: ...
 
 class Context:
     args: MutableMapping[str, str]