diff --git a/postgresql16.changes b/postgresql16.changes
index 48367b2..93dbbbd 100644
--- a/postgresql16.changes
+++ b/postgresql16.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Mar 12 22:48:41 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- Require LLVM <= 17 for now, because LLVM 18 doesn't seem to work.
+
 -------------------------------------------------------------------
 Thu Mar  7 15:04:40 UTC 2024 - Sarah Kriesch <sarah.kriesch@opensuse.org>
 
diff --git a/postgresql16.spec b/postgresql16.spec
index 78928ba..44125c5 100644
--- a/postgresql16.spec
+++ b/postgresql16.spec
@@ -20,7 +20,7 @@
 %define pgmajor 16
 %define buildlibs 1
 %define tarversion %{pgversion}
-%define latest_supported_llvm_ver 18
+%define latest_supported_llvm_ver 17
 
 ### CUT HERE ###
 %define pgname postgresql%pgmajor