diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index 61edcb1a2a..a4b1df0e85 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -6,7 +6,7 @@
 # Pinned by digest for supply-chain integrity. Bump periodically (the OSS-Fuzz
 # base-builder is updated frequently with toolchain fixes); resolve a fresh digest with:
 #   docker buildx imagetools inspect gcr.io/oss-fuzz-base/base-builder-python:latest --format '{{.Manifest.Digest}}'
-FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:aac6099136dd15a1f35400dac58cef67fa02fcd4138c68c254976fc2229c3950
+FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:6a90ec89a18436e057a06f54266c3f120eb87d96c095b0c67a2b15cab33ec1f4
 
 COPY . $SRC/haystack
 WORKDIR $SRC/haystack