diff --git a/Jenkinsfile b/Jenkinsfile
index 5046741..fad5fcf 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -70,6 +70,7 @@ spec:
               libpango1.0-dev \
               libcairo2-dev \
               libgdk-pixbuf-2.0-dev
+              libgtk-4-dev
             rm -rf /var/lib/apt/lists/*
             rustup component add rustfmt llvm-tools-preview clippy
             if ! cargo llvm-cov --version >/dev/null 2>&1; then