diff --git a/docs/release_notes.rst b/docs/release_notes.rst
index 6461d1f7..f3a63ab7 100644
--- a/docs/release_notes.rst
+++ b/docs/release_notes.rst
@@ -21,6 +21,10 @@ v11.4.0
 -  We now report on the progress of PDF/A conversion, since this operation is
    sometimes slow.
 -  Improved command line completions.
+-  The prefix of the temporary folder OCRmyPDF creates has been changed from
+   ``com.github.ocrmypdf`` to ``ocrmypdf.io``. Scripts that chose to depend on this
+   prefix may need to be adjusted. (This has always been an implementation detail so is
+   not considered part of the semantic versioning "contract".)
 
 v11.3.4
 =======
diff --git a/src/ocrmypdf/_sync.py b/src/ocrmypdf/_sync.py
index 624ac7bf..a4839aea 100644
--- a/src/ocrmypdf/_sync.py
+++ b/src/ocrmypdf/_sync.py
@@ -330,7 +330,7 @@ def run_pipeline(options, *, plugin_manager, api=False):
     if not plugin_manager:
         plugin_manager = get_plugin_manager(options.plugins)
 
-    work_folder = Path(mkdtemp(prefix="com.github.ocrmypdf."))
+    work_folder = Path(mkdtemp(prefix="ocrmypdf.io."))
     debug_log_handler = None
     if (
         (options.keep_temporary_files or options.verbose >= 1)
diff --git a/tests/plugins/tesseract_cache.py b/tests/plugins/tesseract_cache.py
index 9d75f574..37c4a690 100644
--- a/tests/plugins/tesseract_cache.py
+++ b/tests/plugins/tesseract_cache.py
@@ -165,7 +165,7 @@ def cached_run(options, run_args, **run_kwargs):
 
     def clean_sys_argv():
         for arg in run_args[1:]:
-            yield re.sub(r'.*/com.github.ocrmypdf[^/]+[/](.*)', r'$TMPDIR/\1', arg)
+            yield re.sub(r'.*/ocrmypdf[.]io[.][^/]+[/](.*)', r'$TMPDIR/\1', arg)
 
     manifest['args'] = list(clean_sys_argv())
     with (Path(CACHE_ROOT) / 'manifest.jsonl').open('a') as f: