diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index d024bc37..d7a37700 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -1,4 +1,4 @@
-FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:c5fd81433b8ceec0335387187152e856e401fa09e859ba778008e63be14d0701
+FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:4c99232e00b08977686d0831264a2fc19213e09e256ab9dc04fd280c2ee91237
 
 # Pin dependencies
 COPY .clusterfuzzlite/requirements-bootstrap.txt /tmp/requirements-bootstrap.txt