diff --git a/.gitignore b/.gitignore
index 4b7f502..947393e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -111,3 +111,4 @@
 /gcc-13.2.1-20230906.tar.xz
 /nvptx-tools-aa3404ad5a496cda5d79a50bedb1344fd63e8763.tar.xz
 /gcc-13.2.1-20230918.tar.xz
+/gcc-13.2.1-20231011.tar.xz
diff --git a/gcc.spec b/gcc.spec
index 2960f8d..5d6c7c4 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -1,10 +1,10 @@
-%global DATE 20230918
-%global gitrev 45e56bb7a6c79b62ab17ac8e4e86c2e66c2554c1
+%global DATE 20231011
+%global gitrev dc4aa177146b55dd7bd0b2dd63c721f3eaf2d2a8
 %global gcc_version 13.2.1
 %global gcc_major 13
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 3
+%global gcc_release 4
 %global nvptx_tools_gitrev aa3404ad5a496cda5d79a50bedb1344fd63e8763
 %global newlib_cygwin_gitrev 9e09d6ed83cce4777a5950412647ccc603040409
 %global _unpackaged_files_terminate_build 0
@@ -3457,6 +3457,15 @@ end
 %endif
 
 %changelog
+* Wed Oct 11 2023 Jakub Jelinek <jakub@redhat.com> 13.2.1-4
+- update from releases/gcc-13 branch
+  - PRs ada/110488, ada/111434, c++/99631, c++/111471, c++/111485, c++/111493,
+	c++/111512, fortran/68155, fortran/92586, fortran/111674,
+	libstdc++/108046, libstdc++/111050, libstdc++/111102,
+	libstdc++/111511, middle-end/111699, modula2/111510, target/111121,
+	target/111411, tree-optimization/110315, tree-optimization/110386,
+	tree-optimization/111331, tree-optimization/111519
+
 * Mon Sep 18 2023 Jakub Jelinek <jakub@redhat.com> 13.2.1-3
 - update from releases/gcc-13 branch
   - PRs c++/111357, modula2/111330, target/96762, target/111306,
diff --git a/sources b/sources
index 80d614e..94cf85d 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (gcc-13.2.1-20230918.tar.xz) = 4106cd7fa1a6bd634dc75fccdd38c9cc923b9fc8b9f4ad15ff7eb1daf3e00809b84137909b39790360d86c1c98a63514872ecb3a7f79ae362e161cd525c391fe
+SHA512 (gcc-13.2.1-20231011.tar.xz) = 24fea15e0b67a2faa3d5476b105983b474b654e9ec50cdffb1967f18338c098539d5bd39e99f5f607eb64f6b0cf6d8e3ae91c9d5ea8069fc10b566739971be60
 SHA512 (isl-0.24.tar.bz2) = aab3bddbda96b801d0f56d2869f943157aad52a6f6e6a61745edd740234c635c38231af20bc3f1a08d416a5e973a90e18249078ed8e4ae2f1d5de57658738e95
 SHA512 (newlib-cygwin-9e09d6ed83cce4777a5950412647ccc603040409.tar.xz) = bef3fa04f7b1a915fc1356ebed114698b5cc835e9fa04b0becff05a9efc76c59fb376482990873d222d7acdcfee3c4f30f5a4cb7f3be1f291f1fa5f1c7a9d983
 SHA512 (nvptx-tools-aa3404ad5a496cda5d79a50bedb1344fd63e8763.tar.xz) = 33a024326426375533cb5dd9b68b2508f37540be418d2506bfa19a5f5866485e9af150469064e9059b68136ad8cb080b3b12e7eb5c6b7d1288cf6bfb3f6bb5d0