diff --git a/scripts/pyinstaller/dleapp.spec b/scripts/pyinstaller/dleapp.spec
index 21b1c9a..2419510 100755
--- a/scripts/pyinstaller/dleapp.spec
+++ b/scripts/pyinstaller/dleapp.spec
@@ -12,6 +12,15 @@ a = Analysis(['..\\..\\dleapp.py'],
              binaries=[],
              datas=[('..\\', '.\\scripts')],
              hiddenimports=[
+                # Stdlib that only artifacts import. Artifacts are bundled as data
+                # files and imported from disk at runtime, so PyInstaller's
+                # import-graph analysis never sees these, and it prunes stdlib it
+                # cannot see used (mailbox below is the same case, added earlier).
+                'base64',
+                'email.utils',
+                'plistlib',
+                'struct',
+                'xml.etree.ElementTree',
                 'bencoding',
                 'fitz',
                 'ijson',
diff --git a/scripts/pyinstaller/dleappGUI.spec b/scripts/pyinstaller/dleappGUI.spec
index 04a714b..4a2816b 100755
--- a/scripts/pyinstaller/dleappGUI.spec
+++ b/scripts/pyinstaller/dleappGUI.spec
@@ -12,6 +12,15 @@ a = Analysis(['..\\..\\dleappGUI.py'],
              binaries=[],
              datas=[('..\\', '.\\scripts'), ('..\\..\\assets', '.\\assets')],
              hiddenimports=[
+                # Stdlib that only artifacts import. Artifacts are bundled as data
+                # files and imported from disk at runtime, so PyInstaller's
+                # import-graph analysis never sees these, and it prunes stdlib it
+                # cannot see used (mailbox below is the same case, added earlier).
+                'base64',
+                'email.utils',
+                'plistlib',
+                'struct',
+                'xml.etree.ElementTree',
                 'bencoding',
                 'fitz',
                 'ijson',
diff --git a/scripts/pyinstaller/dleappGUI_macOS.spec b/scripts/pyinstaller/dleappGUI_macOS.spec
index ae29b4e..567202f 100755
--- a/scripts/pyinstaller/dleappGUI_macOS.spec
+++ b/scripts/pyinstaller/dleappGUI_macOS.spec
@@ -11,6 +11,15 @@ a = Analysis(
     binaries=[],
     datas=[('../', 'scripts'), ('../../assets', 'assets')],
     hiddenimports=[
+        # Stdlib that only artifacts import. Artifacts are bundled as data
+        # files and imported from disk at runtime, so PyInstaller's
+        # import-graph analysis never sees these, and it prunes stdlib it
+        # cannot see used (mailbox below is the same case, added earlier).
+        'base64',
+        'email.utils',
+        'plistlib',
+        'struct',
+        'xml.etree.ElementTree',
         'bencoding',
         'fitz',
         'ijson',
diff --git a/scripts/pyinstaller/dleapp_macOS.spec b/scripts/pyinstaller/dleapp_macOS.spec
index ca06c4e..73ef0b6 100644
--- a/scripts/pyinstaller/dleapp_macOS.spec
+++ b/scripts/pyinstaller/dleapp_macOS.spec
@@ -11,6 +11,15 @@ a = Analysis(
     binaries=[],
     datas=[('../', 'scripts')],
     hiddenimports=[
+        # Stdlib that only artifacts import. Artifacts are bundled as data
+        # files and imported from disk at runtime, so PyInstaller's
+        # import-graph analysis never sees these, and it prunes stdlib it
+        # cannot see used (mailbox below is the same case, added earlier).
+        'base64',
+        'email.utils',
+        'plistlib',
+        'struct',
+        'xml.etree.ElementTree',
         'bencoding',
         'fitz',
         'ijson',