diff --git a/src/antsibull/from_source/verify.py b/src/antsibull/from_source/verify.py
index 605b61bb..3b735a01 100644
--- a/src/antsibull/from_source/verify.py
+++ b/src/antsibull/from_source/verify.py
@@ -15,7 +15,8 @@
 from typing import TYPE_CHECKING, Any, TypedDict
 
 import aiofiles.ospath
-from antsibull_core.utils.hashing import verify_hash
+from antsibull_core import app_context
+from antsibull_fileutils.hashing import verify_hash
 
 from antsibull.types import add_yaml_type
 
@@ -81,6 +82,7 @@ async def verify_files(
     Yields:
         `FileErrorOutput` dicts with error data
     """
+    lib_ctx = app_context.lib_ctx.get()
     for file in files_data:
         path = collection_dir / file["name"]
         is_dir = file["ftype"] == "dir"
@@ -90,7 +92,10 @@ async def verify_files(
         elif is_dir and not await aiofiles.ospath.isdir(path):
             error = FileError.NOT_A_DIRECTORY
         elif not is_dir and not await verify_hash(
-            path, file["chksum_sha256"], "sha256"
+            path,
+            file["chksum_sha256"],
+            algorithm="sha256",
+            chunksize=lib_ctx.chunksize,
         ):
             error = FileError.WRONG_HASH
         if error is not None and error not in (ignore_errors or set()):
diff --git a/src/antsibull/pypi.py b/src/antsibull/pypi.py
index 66a44f51..2c55a382 100644
--- a/src/antsibull/pypi.py
+++ b/src/antsibull/pypi.py
@@ -14,7 +14,8 @@
 
 import aiohttp
 import pydantic as p
-from antsibull_core.utils.hashing import verify_hash
+from antsibull_core import app_context
+from antsibull_fileutils.hashing import verify_hash
 
 PYPI_BASE_URL = "https://pypi.org/pypi/"
 
@@ -108,7 +109,8 @@ async def verify_local_file(self, file: Path) -> bool:
         """
         if file.name != self.filename:
             return False
-        return await verify_hash(file, self.sha256sum)
+        lib_ctx = app_context.lib_ctx.get()
+        return await verify_hash(file, self.sha256sum, chunksize=lib_ctx.chunksize)
 
 
 # TODO pydantic v2+: