diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index 3187c36..fe95617 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -1,7 +1,7 @@
 # Build environment for ClusterFuzzLite. base-builder-rust provides the Rust
 # toolchain, cargo-fuzz, and the sanitizer setup that OSS-Fuzz uses. Pinned by
 # digest for a reproducible, supply-chain-safe build; Renovate keeps it current.
-FROM gcr.io/oss-fuzz-base/base-builder-rust:latest@sha256:cf0c9d52afd33f354692198cd99402c240d5c467a3a3503908e97a027708075f
+FROM gcr.io/oss-fuzz-base/base-builder-rust:latest@sha256:433319ea1a6bbea6c1db1915a5d385021908cc62026d9f0efda2270ef6060de3
 
 # The fuzz targets link the yamlrocks library, which includes the PyO3 extension
 # code. Compiling the annotated list/dict pyclasses needs CPython >= 3.12 (PyO3