diff --git a/.circleci/config.yml b/.circleci/config.yml
index d565f36..ed92c76 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -23,8 +23,8 @@ jobs:
                     - ~/.cargo
             - run: make test
             - run:
-                command: cargo run -- build
+                command: ./.circleci/xserver.sh cargo run -- build
                 working_directory: ~/md-pdf/test-files
             - run:
-                command: cargo run --release -- build
+                command: ./.circleci/xserver.sh cargo run --release -- build
                 working_directory: ~/md-pdf/test-files
diff --git a/.circleci/xserver.sh b/.circleci/xserver.sh
new file mode 100644
index 0000000..1d09646
--- /dev/null
+++ b/.circleci/xserver.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+xvfb-run -a --server-args="-screen 0 800x600x24" $@