diff --git a/.github/actions/run-tests-archlinux/Dockerfile b/.github/actions/run-tests-archlinux/Dockerfile
index 9e0b262..8e24118 100644
--- a/.github/actions/run-tests-archlinux/Dockerfile
+++ b/.github/actions/run-tests-archlinux/Dockerfile
@@ -14,6 +14,7 @@ RUN pacman -S --noconfirm \
   curl \
   fmt \
   git \
+  gnuplot \
   llvm \
   llvm-libs \
   ninja \