diff --git a/infra/docker/Dockerfile.ci-builder b/infra/docker/Dockerfile.ci-builder
index ef425d04a..798644407 100644
--- a/infra/docker/Dockerfile.ci-builder
+++ b/infra/docker/Dockerfile.ci-builder
@@ -21,6 +21,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     make \
     perl \
     build-essential \
+    libfontconfig1-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Rust 1.89 stable