diff --git a/autotests/ossfuzz/prepare_build.sh b/autotests/ossfuzz/prepare_build.sh
index 44e942a..4ca7a4b 100755
--- a/autotests/ossfuzz/prepare_build.sh
+++ b/autotests/ossfuzz/prepare_build.sh
@@ -21,9 +21,11 @@
 ################################################################################
 
 apt-get update && \
-    apt-get install -y cmake make autoconf automake autopoint libtool \
+    apt-get install -y make autoconf automake autopoint libtool \
     wget po4a ninja-build pkgconf
 
+pip install cmake
+
 git clone --depth 1 https://github.com/madler/zlib.git
 git clone --depth 1 -b v1.5.7 https://github.com/facebook/zstd.git
 wget https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz