diff --git a/build/pkgs/flit_core/checksums.ini b/build/pkgs/flit_core/checksums.ini
index b439592878c..cf7f0bb2b55 100644
--- a/build/pkgs/flit_core/checksums.ini
+++ b/build/pkgs/flit_core/checksums.ini
@@ -1,5 +1,5 @@
 tarball=flit_core-VERSION.tar.gz
-sha1=fc82acf2a93d3bf6ce41ed1a1160f5be51ffda2a
-md5=4a4791e97f3a8c9a1645064a35636ee6
-cksum=2732326458
+sha1=05d6d7a3df5bdbd9df1b37a65662e5dbe94f23fd
+md5=3bc52f1952b9a78361114147da63c35b
+cksum=1703912415
 upstream_url=https://pypi.io/packages/source/f/flit_core/flit_core-VERSION.tar.gz
diff --git a/build/pkgs/flit_core/package-version.txt b/build/pkgs/flit_core/package-version.txt
index a76ccff2a6e..a5c4c763394 100644
--- a/build/pkgs/flit_core/package-version.txt
+++ b/build/pkgs/flit_core/package-version.txt
@@ -1 +1 @@
-3.7.1
+3.9.0
diff --git a/build/pkgs/packaging/dependencies b/build/pkgs/packaging/dependencies
index 17220ffcc37..b63b7e33635 100644
--- a/build/pkgs/packaging/dependencies
+++ b/build/pkgs/packaging/dependencies
@@ -1,4 +1,4 @@
- | setuptools pip wheel pyparsing setuptools_wheel $(PYTHON)
+ | flit_core pip $(PYTHON)
 
 ----------
 All lines of this file are ignored except the first.
diff --git a/build/pkgs/pip/checksums.ini b/build/pkgs/pip/checksums.ini
index 1ae66fbc20a..9b6376d1abb 100644
--- a/build/pkgs/pip/checksums.ini
+++ b/build/pkgs/pip/checksums.ini
@@ -1,5 +1,5 @@
 tarball=pip-VERSION.tar.gz
-sha1=29167fffe19874a74247fe92f4fdba1bb1221c61
-md5=996f58a94fe0b8b82b6795c42bd171ba
-cksum=537001443
+sha1=4bdfd8e976b5122cf55f4f4740f7305f1ffa4310
+md5=e9b1226701a56ee3fcc81aba60d25d75
+cksum=1940746834
 upstream_url=https://pypi.io/packages/source/p/pip/pip-VERSION.tar.gz
diff --git a/build/pkgs/pip/package-version.txt b/build/pkgs/pip/package-version.txt
index 4c3dad97552..3f833b5b536 100644
--- a/build/pkgs/pip/package-version.txt
+++ b/build/pkgs/pip/package-version.txt
@@ -1 +1 @@
-22.3.1
+23.2.1