diff --git a/core-developers/experts.rst b/core-developers/experts.rst
index ec9fc2306..b5cde1782 100644
--- a/core-developers/experts.rst
+++ b/core-developers/experts.rst
@@ -66,7 +66,6 @@ bdb
 binascii
 bisect                rhettinger*
 builtins
-bz2
 calendar
 cmath
 cmd
@@ -77,6 +76,11 @@ collections           rhettinger*
 collections.abc       rhettinger*, stutzbach^
 colorsys
 compileall            carljm
+compression.bz2
+compression.gzip
+compression.lzma
+compression.zlib      Yhg1s, gpshead*
+compression.zstd
 concurrent.futures    pitrou, brianquinlan, gpshead*
 configparser          ambv*
 contextlib            ncoghlan, 1st1
@@ -114,7 +118,6 @@ getpass
 gettext
 glob
 grp
-gzip
 hashlib               tiran, gpshead*, picnixz
 heapq                 rhettinger*, stutzbach^
 hmac                  tiran, gpshead*, picnixz
@@ -135,7 +138,6 @@ libmpdec
 linecache
 locale                malemburg
 logging               vsajip
-lzma
 mailbox
 marshal
 math                  rhettinger, stutzbach^
@@ -257,7 +259,6 @@ xmlrpc
 zipapp                pfmoore
 zipfile               alanmcintyre^, serhiy-storchaka, Yhg1s, gpshead
 zipimport             Yhg1s*
-zlib                  Yhg1s, gpshead*
 ====================  =============================================
 
 
diff --git a/getting-started/setup-building.rst b/getting-started/setup-building.rst
index 03b2777b8..9959ac12b 100644
--- a/getting-started/setup-building.rst
+++ b/getting-started/setup-building.rst
@@ -636,9 +636,9 @@ some of CPython's modules (for example, ``zlib``).
 
       $ sudo dnf install \
             gcc gcc-c++ gdb lzma glibc-devel libstdc++-devel openssl-devel \
-            readline-devel zlib-devel libffi-devel bzip2-devel xz-devel \
-            sqlite sqlite-devel sqlite-libs libuuid-devel gdbm-libs perf \
-            expat expat-devel mpdecimal python3-pip
+            readline-devel zlib-devel libzstd-devel libffi-devel bzip2-devel \
+            xz-devel  sqlite sqlite-devel sqlite-libs libuuid-devel gdbm-libs \
+            perf expat expat-devel mpdecimal python3-pip
 
 
    On **Debian**, **Ubuntu**, and other ``apt``-based systems, try to get the
@@ -674,7 +674,7 @@ some of CPython's modules (for example, ``zlib``).
       $ sudo apt-get install build-essential gdb lcov pkg-config \
             libbz2-dev libffi-dev libgdbm-dev libgdbm-compat-dev liblzma-dev \
             libncurses5-dev libreadline6-dev libsqlite3-dev libssl-dev \
-            lzma lzma-dev tk-dev uuid-dev zlib1g-dev libmpdec-dev
+            lzma lzma-dev tk-dev uuid-dev zlib1g-dev libmpdec-dev libzstd-dev
 
    Note that Debian 12 and Ubuntu 24.04 do not have the ``libmpdec-dev`` package.  You can safely
    remove it from the install list above and the Python build will use a bundled version.
@@ -709,7 +709,7 @@ some of CPython's modules (for example, ``zlib``).
 
       For **Homebrew**, install dependencies using ``brew``::
 
-         $ brew install pkg-config openssl@3 xz gdbm tcl-tk mpdecimal
+         $ brew install pkg-config openssl@3 xz gdbm tcl-tk mpdecimal zstd
 
       .. tab:: Python 3.13+
 
@@ -750,7 +750,7 @@ some of CPython's modules (for example, ``zlib``).
 
       For **MacPorts**, install dependencies using ``port``::
 
-         $ sudo port install pkgconfig openssl xz gdbm tcl tk +quartz mpdecimal
+         $ sudo port install pkgconfig openssl xz gdbm tk +quartz mpdecimal zstd
 
       .. tab:: Python 3.13+