diff --git a/profiles/pentoo/base/package.mask b/profiles/pentoo/base/package.mask
index a7c3fa905..4991daca8 100644
--- a/profiles/pentoo/base/package.mask
+++ b/profiles/pentoo/base/package.mask
@@ -65,3 +65,7 @@ sci-libs/mkl
 
 # wpe patch is not ready yet
 >=net-wireless/hostapd-2.11
+
+# force llvm/clang upgrade
+<llvm-core/llvm-18
+<llvm-core/clang-18