diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f255f37..f250d3d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
           - nightly
     steps:
       - uses: actions/checkout@v3
-      - run: sudo apt-get install binutils-dev libunwind-dev
+      - run: sudo apt-get install binutils-dev libunwind-dev gnuplot
       - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
       - run: cargo install cargo-afl honggfuzz grcov 
       - run: cargo install --path . --verbose