diff --git a/eclass/rust.eclass b/eclass/rust.eclass
index 450911ba2ea00..68983f688e422 100644
--- a/eclass/rust.eclass
+++ b/eclass/rust.eclass
@@ -67,6 +67,7 @@ fi
 # @DESCRIPTION:
 # Definitive list of Rust slots and the associated LLVM slot, newest first.
 declare -A -g -r _RUST_LLVM_MAP=(
+	["1.83.0"]=19
 	["1.82.0"]=19
 	["1.81.0"]=18
 	["1.80.1"]=18
@@ -84,6 +85,7 @@ declare -A -g -r _RUST_LLVM_MAP=(
 # While _RUST_LLVM_MAP stores useful info about the relationship between Rust and LLVM slots,
 # this array is used to store the Rust slots in a more convenient order for iteration.
 declare -a -g -r _RUST_SLOTS_ORDERED=(
+	"1.83.0"
 	"1.82.0"
 	"1.81.0"
 	"1.80.1"