diff -Naur lektor-3.3.1-orig/lektor/packages.py lektor-3.3.1/lektor/packages.py
--- lektor-3.3.1-orig/lektor/packages.py	2022-01-09 09:47:37.000000000 +0100
+++ lektor-3.3.1/lektor/packages.py	2022-02-14 19:29:09.865913660 +0100
@@ -87,6 +87,7 @@
         "-m",
         "pip",
         "install",
+        "--user",
         "--target",
         package_root,
     ]
@@ -114,6 +115,7 @@
             "-m",
             "pip",
             "install",
+            "--user",
             "--editable",
             path,
             "--install-option=--install-dir=%s" % package_root,