diff --git a/postgresql.spec b/postgresql.spec
index 66b3085..8654035 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -78,7 +78,7 @@ Patch10: postgresql-no-libecpg.patch
 Patch11: postgresql-datalayout-mismatch-on-s390.patch
 Patch16: postgresql-pgcrypto-openssl3-tests.patch
 
-BuildRequires: gcc
+BuildRequires: gcc clang
 BuildRequires: perl(ExtUtils::MakeMaker) glibc-devel bison flex gawk
 BuildRequires: perl(ExtUtils::Embed), perl-devel
 BuildRequires: perl-generators