diff --git a/changelogs/nightly/focal b/changelogs/nightly/focal
index 5491025..2dc7080 100644
--- a/changelogs/nightly/focal
+++ b/changelogs/nightly/focal
@@ -1,3 +1,9 @@
+python3.13 (3.13.1-94-g855af3bbc6-1+focal1) focal; urgency=medium
+
+  * Update to v3.13.1-94-g855af3bbc6.
+
+ -- Anthony Sottile (deadsnakes) <asottile+deadsnakes@umich.edu>  Sat, 04 Jan 2025 08:47:52 +0000
+
 python3.13 (3.13.1-89-gebadfd1039-1+focal1) focal; urgency=medium
 
   * Update to v3.13.1-89-gebadfd1039.
diff --git a/changelogs/nightly/jammy b/changelogs/nightly/jammy
index 451a1dd..2120a3f 100644
--- a/changelogs/nightly/jammy
+++ b/changelogs/nightly/jammy
@@ -1,3 +1,9 @@
+python3.13 (3.13.1-94-g855af3bbc6-1+jammy1) jammy; urgency=medium
+
+  * Update to v3.13.1-94-g855af3bbc6.
+
+ -- Anthony Sottile (deadsnakes) <asottile+deadsnakes@umich.edu>  Sat, 04 Jan 2025 08:47:51 +0000
+
 python3.13 (3.13.1-89-gebadfd1039-1+jammy1) jammy; urgency=medium
 
   * Update to v3.13.1-89-gebadfd1039.
diff --git a/changelogs/nightly/noble b/changelogs/nightly/noble
index 2ba1944..4abb80d 100644
--- a/changelogs/nightly/noble
+++ b/changelogs/nightly/noble
@@ -1,3 +1,9 @@
+python3.13 (3.13.1-94-g855af3bbc6-1+noble1) noble; urgency=medium
+
+  * Update to v3.13.1-94-g855af3bbc6.
+
+ -- Anthony Sottile (deadsnakes) <asottile+deadsnakes@umich.edu>  Sat, 04 Jan 2025 08:47:52 +0000
+
 python3.13 (3.13.1-89-gebadfd1039-1+noble1) noble; urgency=medium
 
   * Update to v3.13.1-89-gebadfd1039.
diff --git a/cpython b/cpython
index ebadfd1..855af3b 160000
--- a/cpython
+++ b/cpython
@@ -1 +1 @@
-Subproject commit ebadfd1039a321a142e0e09e040bf8e724bb5905
+Subproject commit 855af3bbc62e89aeeb6af1e22061cf06354ad99a
diff --git a/patches/allow-old-autoconf.patch b/patches/allow-old-autoconf.patch
index 96bcf0b..af39952 100644
--- a/patches/allow-old-autoconf.patch
+++ b/patches/allow-old-autoconf.patch
@@ -8,7 +8,7 @@ this is only needed on ubuntu focal
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/configure.ac b/configure.ac
-index 517c85b..ae6a10f 100644
+index 2fcda9a..3b11d4f 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -12,7 +12,7 @@ dnl
diff --git a/patches/disable-sem-check.diff b/patches/disable-sem-check.diff
index c6ba8ac..769787a 100644
--- a/patches/disable-sem-check.diff
+++ b/patches/disable-sem-check.diff
@@ -9,7 +9,7 @@ Subject: disable-sem-check
  1 file changed, 22 insertions(+), 12 deletions(-)
 
 diff --git a/configure.ac b/configure.ac
-index 8f2c1b0..862f938 100644
+index b09a5ff..e650b29 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -5995,12 +5995,17 @@ AC_CACHE_CHECK([whether POSIX semaphores are enabled], [ac_cv_posix_semaphores_e
diff --git a/patches/distutils-install-layout.diff b/patches/distutils-install-layout.diff
index 028a737..5552a20 100644
--- a/patches/distutils-install-layout.diff
+++ b/patches/distutils-install-layout.diff
@@ -229,7 +229,7 @@ index 1f1bfcb..411b6d7 100644
      VENV_LANDMARK = 'pyvenv.cfg'
      ZIP_LANDMARK = f'{platlibdir}/python{VERSION_MAJOR}{VERSION_MINOR}{ABI_THREAD}.zip'
 diff --git a/configure b/configure
-index 8401e07..742c37f 100755
+index c66333c..1886e56 100755
 --- a/configure
 +++ b/configure
 @@ -24615,11 +24615,11 @@ fi
@@ -268,7 +268,7 @@ index 8401e07..742c37f 100755
  
  
 diff --git a/configure.ac b/configure.ac
-index 4a341b2..ce419b7 100644
+index c53e55f..13b0655 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -6191,11 +6191,11 @@ fi
diff --git a/patches/link-opt.diff b/patches/link-opt.diff
index 4494851..59717fb 100644
--- a/patches/link-opt.diff
+++ b/patches/link-opt.diff
@@ -9,7 +9,7 @@ Subject: link-opt
  1 file changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/configure.ac b/configure.ac
-index ce419b7..8f2c1b0 100644
+index 13b0655..b09a5ff 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -3474,8 +3474,8 @@ then
diff --git a/patches/sysconfigdata-name.patch b/patches/sysconfigdata-name.patch
index 3edb21e..71ee06c 100644
--- a/patches/sysconfigdata-name.patch
+++ b/patches/sysconfigdata-name.patch
@@ -45,7 +45,7 @@ index 2055532..6913556 100644
  	@ # If app store compliance has been configured, apply the patch to the
  	@ # installed library code. The patch has been previously validated against
 diff --git a/configure.ac b/configure.ac
-index 862f938..517c85b 100644
+index e650b29..2fcda9a 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -164,7 +164,7 @@ AC_ARG_WITH([build-python],