diff --git a/psycopg-c-3.1.17.tar.gz b/psycopg-c-3.1.17.tar.gz
deleted file mode 100644
index 040e01f..0000000
--- a/psycopg-c-3.1.17.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5cc4d544d552b8ab92a9e3a9dbe3b4f46ce0a86338654d26387fc076e0c97977
-size 561436
diff --git a/psycopg-c-3.1.18.tar.gz b/psycopg-c-3.1.18.tar.gz
new file mode 100644
index 0000000..9bfa786
--- /dev/null
+++ b/psycopg-c-3.1.18.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ffff0c4a9c0e0b7aadb1acb7b61eb8f886365dd8ef00120ce14676235846ba73
+size 561356
diff --git a/python-psycopg-c.changes b/python-psycopg-c.changes
index 542cea3..08271f5 100644
--- a/python-psycopg-c.changes
+++ b/python-psycopg-c.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Mar 16 09:43:36 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 3.1.18:
+  * Fix possible deadlock on pipeline exit (ticket #685).
+  * Fix overflow loading large intervals in C module (ticket #719).
+  * Fix compatibility with musl libc distributions affected
+    by CPython issue #65821 (ticket #725).
+
 -------------------------------------------------------------------
 Mon Jan 15 13:03:50 UTC 2024 - Antonio Larrosa <alarrosa@suse.com>
 
diff --git a/python-psycopg-c.spec b/python-psycopg-c.spec
index 0020a94..520d945 100644
--- a/python-psycopg-c.spec
+++ b/python-psycopg-c.spec
@@ -19,7 +19,7 @@
 %{?sle15_python_module_pythons}
 Name:           python-psycopg-c
 # This needs to upgraded in lockstep with python-psycopg
-Version:        3.1.17
+Version:        3.1.18
 Release:        0
 Summary:        PostgreSQL database adapter for Python -- C optimisation distribution
 License:        LGPL-3.0-only