diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index 194fda0b6..0eb473afa 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -10,7 +10,7 @@
 # property-test suite in tests/ remains the primary fuzzing surface
 # for the rest of bernstein's input handling.
 # Ref: https://google.github.io/clusterfuzzlite/build-integration/python-lang/
-FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:3dbcb2fba5b92507146862ff7cd612908430137e60a112fd6425240163649a31
+FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:4fe3c95c76d9ef859b465523545d69938edd8540c83153c0f571127bba4642c3
 
 COPY . /src/bernstein
 WORKDIR /src/bernstein