diff --git a/build/pkgs/appdirs/type b/build/pkgs/appdirs/type
index 134d9bc32d5..a6a7b9cd726 100644
--- a/build/pkgs/appdirs/type
+++ b/build/pkgs/appdirs/type
@@ -1 +1 @@
-optional
+standard
diff --git a/build/pkgs/distlib/type b/build/pkgs/distlib/type
index 134d9bc32d5..a6a7b9cd726 100644
--- a/build/pkgs/distlib/type
+++ b/build/pkgs/distlib/type
@@ -1 +1 @@
-optional
+standard
diff --git a/build/pkgs/filelock/SPKG.rst b/build/pkgs/filelock/SPKG.rst
index b83beec0cc9..d39b439be2e 100644
--- a/build/pkgs/filelock/SPKG.rst
+++ b/build/pkgs/filelock/SPKG.rst
@@ -1,5 +1,5 @@
-filelock
-========
+filelock: A platform independent file lock
+==========================================
 
 Description
 -----------
diff --git a/build/pkgs/importlib_resources/SPKG.rst b/build/pkgs/importlib_resources/SPKG.rst
index 3cb5d240ced..ea519afbe99 100644
--- a/build/pkgs/importlib_resources/SPKG.rst
+++ b/build/pkgs/importlib_resources/SPKG.rst
@@ -9,6 +9,8 @@ Read resources from Python packages
 License
 -------
 
+Apache2
+
 Upstream Contact
 ----------------
 
diff --git a/build/pkgs/importlib_resources/checksums.ini b/build/pkgs/importlib_resources/checksums.ini
index 70264e8d630..7b2b8a13aee 100644
--- a/build/pkgs/importlib_resources/checksums.ini
+++ b/build/pkgs/importlib_resources/checksums.ini
@@ -1,5 +1,5 @@
 tarball=importlib_resources-VERSION.tar.gz
-sha1=0013136267182579db0ae1df25274a704db896fc
-md5=9e6819c7f5c06d7fa7821321b7038af4
-cksum=1660967409
+sha1=d4b853132e9b9a0c58610e23df380c84be428c08
+md5=a4586b3cbb3d39c7a5e7ffc49d9ceb53
+cksum=1484460315
 upstream_url=https://pypi.io/packages/source/i/importlib_resources/importlib_resources-VERSION.tar.gz
diff --git a/build/pkgs/importlib_resources/package-version.txt b/build/pkgs/importlib_resources/package-version.txt
index 627a3f43a64..76e9e619d63 100644
--- a/build/pkgs/importlib_resources/package-version.txt
+++ b/build/pkgs/importlib_resources/package-version.txt
@@ -1 +1 @@
-4.1.1
+5.1.4
diff --git a/build/pkgs/importlib_resources/type b/build/pkgs/importlib_resources/type
index 134d9bc32d5..a6a7b9cd726 100644
--- a/build/pkgs/importlib_resources/type
+++ b/build/pkgs/importlib_resources/type
@@ -1 +1 @@
-optional
+standard
diff --git a/build/pkgs/pluggy/SPKG.rst b/build/pkgs/pluggy/SPKG.rst
index 61fa263e874..b15967007ed 100644
--- a/build/pkgs/pluggy/SPKG.rst
+++ b/build/pkgs/pluggy/SPKG.rst
@@ -1,5 +1,5 @@
-pluggy
-======
+pluggy: plugin and hook calling mechanisms for python
+=====================================================
 
 Description
 -----------
diff --git a/build/pkgs/py/SPKG.rst b/build/pkgs/py/SPKG.rst
index b0d28f93e9a..bf0409acda7 100644
--- a/build/pkgs/py/SPKG.rst
+++ b/build/pkgs/py/SPKG.rst
@@ -1,5 +1,5 @@
-py
-==
+py: library with cross-python path, ini-parsing, io, code, log facilities
+=========================================================================
 
 Description
 -----------
diff --git a/build/pkgs/tox/SPKG.rst b/build/pkgs/tox/SPKG.rst
index 007e28f02a3..442f4e85756 100644
--- a/build/pkgs/tox/SPKG.rst
+++ b/build/pkgs/tox/SPKG.rst
@@ -1,21 +1,18 @@
-tox: A command line driven CI frontend and development task automation tool
-===========================================================================
+tox: tox is a generic virtualenv management and test command line tool
+======================================================================
 
 Description
 -----------
 
-Command line driven CI frontend and development task automation tool.
-
-The Sage library uses tox as an entry point for testing and linting. See ``src/tox.ini`` and ``sage --advanced``.
-
-Sage-the-distribution uses tox for portability testing.  See ``SAGE_ROOT/tox.ini``.
+tox is a generic virtualenv management and test command line tool
 
 License
 -------
 
-- MIT License
+MIT
 
 Upstream Contact
 ----------------
 
 https://pypi.org/project/tox/
+
diff --git a/build/pkgs/tox/checksums.ini b/build/pkgs/tox/checksums.ini
index 2ae4ae99f72..c202fbcb281 100644
--- a/build/pkgs/tox/checksums.ini
+++ b/build/pkgs/tox/checksums.ini
@@ -1,5 +1,5 @@
 tarball=tox-VERSION.tar.gz
-sha1=a2a435c46cc0f03a55413506cb9d737e62d6047d
-md5=e3219ce6f0543141244b77cd701b0ea1
-cksum=2446556337
+sha1=e98277cf47d1e4ca9dbaeeaf7e0e301700c9694b
+md5=9fe85f2cab666ad764f5a076c4544956
+cksum=2996434561
 upstream_url=https://pypi.io/packages/source/t/tox/tox-VERSION.tar.gz
diff --git a/build/pkgs/tox/install-requires.txt b/build/pkgs/tox/install-requires.txt
index eb752fd0762..053148f8486 100644
--- a/build/pkgs/tox/install-requires.txt
+++ b/build/pkgs/tox/install-requires.txt
@@ -1,2 +1 @@
-# Matches version checked in spkg-configure.m4
-tox >=2.5.0
+tox
diff --git a/build/pkgs/tox/package-version.txt b/build/pkgs/tox/package-version.txt
index eb9b76c9f59..9b2f2a16885 100644
--- a/build/pkgs/tox/package-version.txt
+++ b/build/pkgs/tox/package-version.txt
@@ -1 +1 @@
-3.20.0
+3.23.1
diff --git a/build/pkgs/tox/spkg-install.in b/build/pkgs/tox/spkg-install.in
index deba1bb42bb..37ac1a53437 100644
--- a/build/pkgs/tox/spkg-install.in
+++ b/build/pkgs/tox/spkg-install.in
@@ -1 +1,2 @@
-cd src && sdh_pip_install .
+cd src
+sdh_pip_install .
diff --git a/build/pkgs/virtualenv/SPKG.rst b/build/pkgs/virtualenv/SPKG.rst
index 928b7175121..9b869626ce4 100644
--- a/build/pkgs/virtualenv/SPKG.rst
+++ b/build/pkgs/virtualenv/SPKG.rst
@@ -1,5 +1,5 @@
-virtualenv
-==========
+virtualenv: Virtual Python Environment builder
+==============================================
 
 Description
 -----------
diff --git a/build/pkgs/virtualenv/checksums.ini b/build/pkgs/virtualenv/checksums.ini
index 8992f7e3624..177479bc005 100644
--- a/build/pkgs/virtualenv/checksums.ini
+++ b/build/pkgs/virtualenv/checksums.ini
@@ -1,5 +1,5 @@
 tarball=virtualenv-VERSION.tar.gz
-sha1=fd4d72b017ca7e3e64f2ec2f890e45857cd9c510
-md5=ad5f4586b6a03088a399692949712007
-cksum=300371404
+sha1=42c609ae86f5b6b3d491e4a865235e71ed35bfd3
+md5=6693920d5de24bd3e6ec8a6749c22b0d
+cksum=2813528266
 upstream_url=https://pypi.io/packages/source/v/virtualenv/virtualenv-VERSION.tar.gz
diff --git a/build/pkgs/virtualenv/package-version.txt b/build/pkgs/virtualenv/package-version.txt
index 5e83434edb2..f065d76cc07 100644
--- a/build/pkgs/virtualenv/package-version.txt
+++ b/build/pkgs/virtualenv/package-version.txt
@@ -1 +1 @@
-20.2.2
+20.4.7