diff --git a/.gitignore b/.gitignore
index 4dd7818..5818ee7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@
 /gcc-7.2.1-20180101.tar.bz2
 /gcc-7.2.1-20180104.tar.bz2
 /gcc-7.2.1-20180117.tar.bz2
+/gcc-7.3.1-20180125.tar.bz2
diff --git a/gcc.spec b/gcc.spec
index 8a570d2..2def678 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -1,10 +1,10 @@
-%global DATE 20180117
-%global SVNREV 256767
-%global gcc_version 7.2.1
+%global DATE 20180125
+%global SVNREV 257047
+%global gcc_version 7.3.1
 %global gcc_major 7
 # 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 8
+%global gcc_release 1
 %global nvptx_tools_gitrev c28050f60193b3b95a18866a96f03334e874e78f
 %global nvptx_newlib_gitrev aadc8eb0ec43b7cd0dd2dfb484bae63c8b05ef24
 %global _unpackaged_files_terminate_build 0
@@ -3261,8 +3261,16 @@ fi
 %endif
 
 %changelog
+* Thu Jan 25 2018 Jakub Jelinek <jakub@redhat.com> 7.3.1-1
+- update from the 7 branch
+  - 7.3 release
+  - PRs c++/81843, c++/82331, c++/82760, fortran/80768, fortran/83864,
+	fortran/83874, fortran/83900, ipa/82352, ipa/83549, libstdc++/83834,
+	middle-end/81782, rtl-optimization/81443, target/80870, target/83687,
+	target/83946, tree-optimization/81877, tree-optimization/83552
+
 * Wed Jan 24 2018 Jeff Law <law@redhat.com> 7.2.1-8
-- Fix -fstack-clash-protection codegen issue on 32 bit x86 (#1536555)
+- fix -fstack-clash-protection codegen issue on 32 bit x86 (#1536555)
 
 * Wed Jan 17 2018 Jakub Jelinek <jakub@redhat.com> 7.2.1-7
 - update from the 7 branch
@@ -3341,12 +3349,12 @@ fi
   - fix power6 ICE in store_data_bypass_p (#1522675, PR target/80101)
 - fix replace_placeholders (PR c++/83556)
 
-* Wed Nov 29 2017 Jeff Law  <law@redhat.com> 7.2.1-4
-- Fix problem with large outgoing args and -fstack-clash-protection
+* Wed Nov 29 2017 Jeff Law <law@redhat.com> 7.2.1-4
+- fix problem with large outgoing args and -fstack-clash-protection
   on aarch64 (#1518823)
 
-* Tue Nov 28 2017 Jeff Law  <law@redhat.com> 7.2.1-3
-- Backport -fstack-clash-protection from development trunk (#1512529)
+* Tue Nov 28 2017 Jeff Law <law@redhat.com> 7.2.1-3
+- backport -fstack-clash-protection from development trunk (#1512529)
 
 * Fri Sep 15 2017 Jakub Jelinek <jakub@redhat.com> 7.2.1-2
 - update from the 7 branch
diff --git a/gcc7-libstdc++-docs.patch b/gcc7-libstdc++-docs.patch
index 125091b..c534408 100644
--- a/gcc7-libstdc++-docs.patch
+++ b/gcc7-libstdc++-docs.patch
@@ -4,7 +4,7 @@
        <a class="link" href="http://www.fsf.org/" target="_top">FSF
        </a>
      </p><p>
-+      Release 7.2.1
++      Release 7.3.1
 +    </p><p>
        Permission is granted to copy, distribute and/or modify this
        document under the terms of the GNU Free Documentation
@@ -17,7 +17,7 @@
  </p><p>
 -  The API documentation, rendered into HTML, can be viewed online
 +  The API documentation, rendered into HTML, can be viewed locally
-+  <a class="link" href="api/index.html" target="_top">for the 7.2.1 release</a>,
++  <a class="link" href="api/index.html" target="_top">for the 7.3.1 release</a>,
 +  online
    <a class="link" href="http://gcc.gnu.org/onlinedocs/" target="_top">for each GCC release</a>
    and
diff --git a/sources b/sources
index 9427619..29893ce 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (gcc-7.2.1-20180117.tar.bz2) = 18f71bb2b1d11444c5b0a6ef91660004b5bd0fe7e44f2c653dff22aa8706e5c02bd97b5dc3810e33a0c7b9657457fbcfcee4324755a798e15ebfed8a5d99ffa9
+SHA512 (gcc-7.3.1-20180125.tar.bz2) = fd3d407f767d01f63e6e564755c82baf25a9a9665c2dbdc0ae9796e4e522cb58b0f8ed369ed1ac31ea88ff1dddc15dc8f2e6d7461085bd54a03bbb2db6c7f102
 SHA512 (nvptx-newlib-aadc8eb0ec43b7cd0dd2dfb484bae63c8b05ef24.tar.bz2) = 38f97c9297ad108568352a4d28277455a3c01fd8b7864e798037e5006b6f757022e874bbf3f165775fe3b873781bc108137bbeb42dd5ed3c7d3e6747746fa918
 SHA512 (nvptx-tools-c28050f60193b3b95a18866a96f03334e874e78f.tar.bz2) = 95b577a06a93bb044dbc8033e550cb36bcf2ab2687da030a7318cdc90e7467ed49665e247dcafb5ff4a7e92cdc264291d19728bd17fab902fb64b22491269330