diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 64776e0..29c166b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,6 @@ image: node:latest
 test:
   script:
     - apt-get update
-    - apt-get install -y openjdk-8-jre libpango1.0-dev libjpeg-dev
+    - apt-get install -y openjdk-8-jre libpango1.0-dev libjpeg-dev libgif-dev
     - npm install
     - ./node_modules/.bin/shadow-cljs compile test