diff --git a/RELEASE.md b/RELEASE.md
index 98baff6a..3acc853a 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -115,7 +115,7 @@ In `flatpak/org.onionshare.OnionShare.yaml`:
   mv python3-modules.yml onionshare-desktop.yaml
   ```
 
-  Now, move `onionshare-desktop.yaml` and `onionshare-cli.yaml` into the `flatpak/` folder.
+  Now, move `onionshare-desktop.yaml` and `onionshare-cli.yaml` into the `flatpak/` folder. For the `onionshare-cli.yaml` file, adjust the `pip3 install` step so that it includes the `--use-pep517` argument.
 
 - [ ] Build and test the Flatpak package to ensure it works:
   ```sh
diff --git a/flatpak/onionshare-cli.yaml b/flatpak/onionshare-cli.yaml
index 3889cd3b..34be339b 100644
--- a/flatpak/onionshare-cli.yaml
+++ b/flatpak/onionshare-cli.yaml
@@ -1,7 +1,7 @@
 name: poetry-deps
 buildsystem: simple
 build-commands:
-  - pip3 install --no-index --find-links="file://${PWD}" --prefix=${FLATPAK_DEST}
+  - pip3 install --use-pep517 --no-index --find-links="file://${PWD}" --prefix=${FLATPAK_DEST}
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