diff --git a/cdecl-18.0.tar.gz b/cdecl-18.0.tar.gz
deleted file mode 100644
index 2742e9a..0000000
--- a/cdecl-18.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:471bdd8ed3499472891ba99dd10c14413e0ab0b13e4017e3a55ee4d2342353b7
-size 1565975
diff --git a/cdecl-18.1.tar.gz b/cdecl-18.1.tar.gz
new file mode 100644
index 0000000..e60e099
--- /dev/null
+++ b/cdecl-18.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:51695711b2ec5c344c83a844a7c41d6bcc15e347e4bb5591420ca11635d1e8ca
+size 1575739
diff --git a/cdecl.changes b/cdecl.changes
index b485ac2..576437e 100644
--- a/cdecl.changes
+++ b/cdecl.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Jul 20 14:56:44 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 18.1
+  * Alignments can now have names to denote the number of bytes.
+  * In C89, implicit int is now warned about in more cases.
+  * To match gibberish output, K&R C typeless parameters now print
+    ``as integer`` in pseudo-English.
+
 -------------------------------------------------------------------
 Sat Jul  6 15:08:32 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/cdecl.spec b/cdecl.spec
index 21e7070..a79b3fc 100644
--- a/cdecl.spec
+++ b/cdecl.spec
@@ -17,7 +17,7 @@
 
 
 Name:           cdecl
-Version:        18.0
+Version:        18.1
 Release:        0
 Summary:        C/C++ function declaration translator
 License:        GPL-3.0-or-later