diff --git a/projects/sleuthkit/Dockerfile b/projects/sleuthkit/Dockerfile
index a13087ffe..12cc9163a 100644
--- a/projects/sleuthkit/Dockerfile
+++ b/projects/sleuthkit/Dockerfile
@@ -15,7 +15,7 @@
 ################################################################################
 
 FROM gcr.io/oss-fuzz-base/base-builder
-RUN apt-get update && apt-get install -y make autoconf automake libtool
+RUN apt-get update && apt-get install -y make autoconf automake libtool libz-dev
 RUN git clone --depth 1 https://github.com/sleuthkit/sleuthkit sleuthkit
 WORKDIR sleuthkit
 COPY build.sh buildcorpus.sh sleuthkit_mem_img.h *_fuzzer.cc $SRC/