diff --git a/tests/system-blake3/Dockerfile b/tests/system-blake3/Dockerfile
index c5c4c3ee9d..e287ebb95a 100644
--- a/tests/system-blake3/Dockerfile
+++ b/tests/system-blake3/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update -q && \
         gcc automake libtool autotools-dev \
         libseccomp-dev git make libcap-dev \
         cmake pkg-config libsystemd-dev gperf \
-        libyajl-dev libprotobuf-c-dev libblake3-dev \
+        libprotobuf-c-dev libblake3-dev \
         mawk libjson-c-dev
 
 COPY run-tests.sh /usr/local/bin