diff --git a/RELEASE.md b/RELEASE.md
index 98376a7f..81480ed1 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -122,7 +122,7 @@ In `flatpak/org.onionshare.OnionShare.yaml`:
   Now, merge `onionshare-desktop.yaml` and `onionshare-cli.yaml` into the Flatpak manifest.
 - [ ] Build and test the Flatpak package to ensure it works:
   ```sh
-  flatpak-builder build --force-clean --jobs=$(nproc) --install-deps-from=flathub --install --user org.onionshare.OnionShare.yaml
+  flatpak-builder build --force-clean --jobs=$(nproc) --install-deps-from=flathub --install --user flatpak/org.onionshare.OnionShare.yaml
   flatpak run org.onionshare.OnionShare
 ```
 
diff --git a/flatpak/org.onionshare.OnionShare.yaml b/flatpak/org.onionshare.OnionShare.yaml
index e15bd7b6..8f72cdab 100644
--- a/flatpak/org.onionshare.OnionShare.yaml
+++ b/flatpak/org.onionshare.OnionShare.yaml
@@ -302,7 +302,7 @@ modules:
     ensure-writable:
       - easy-install.pth
     build-commands:
-      - cd desktop && python3 setup.py install --prefix=${FLATPAK_DEST}
+      - cd desktop && pip3 install --prefix=${FLATPAK_DEST} .
       - cd desktop && install -D -m0644 org.onionshare.OnionShare.appdata.xml ${FLATPAK_DEST}/share/metainfo/${FLATPAK_ID}.appdata.xml
       - cd desktop && install -D -m0644 org.onionshare.OnionShare.svg ${FLATPAK_DEST}/share/icons/hicolor/scalable/apps/org.onionshare.OnionShare.svg
       - cd desktop && install -D -m0644 org.onionshare.OnionShare.desktop ${FLATPAK_DEST}/share/applications/${FLATPAK_ID}.desktop
@@ -356,7 +356,7 @@ modules:
       - name: onionshare-cli
         buildsystem: simple
         build-commands:
-          - cd cli && python3 setup.py install --prefix=${FLATPAK_DEST}
+          - cd cli && pip3 install --prefix=${FLATPAK_DEST} --no-deps .
         sources:
           - type: dir
             path: ..