diff --git a/chunks/lang-rust/chunk.yaml b/chunks/lang-rust/chunk.yaml
index ccd4782c4..505711409 100644
--- a/chunks/lang-rust/chunk.yaml
+++ b/chunks/lang-rust/chunk.yaml
@@ -1,4 +1,4 @@
 variants:
   - name: "1"
     args:
-      RUST_VERSION: 1.85.1
+      RUST_VERSION: 1.86.0