diff --git a/sdk_container/src/third_party/portage-stable/eclass/llvm.eclass b/sdk_container/src/third_party/portage-stable/eclass/llvm.eclass
index 223e2a15ba..8198650aad 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/llvm.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/llvm.eclass
@@ -78,7 +78,7 @@ DEPEND="!!sys-devel/llvm:0"
 # @INTERNAL
 # @DESCRIPTION:
 # Correct values of LLVM slots, newest first.
-declare -g -r _LLVM_KNOWN_SLOTS=( {17..8} )
+declare -g -r _LLVM_KNOWN_SLOTS=( {18..8} )
 
 # @FUNCTION: get_llvm_slot
 # @USAGE: [-b|-d] [<max_slot>]