diff --git a/debian/control b/debian/control
index 646831a5..24a08c2a 100644
--- a/debian/control
+++ b/debian/control
@@ -24,6 +24,7 @@ Build-Depends: debhelper (>= 12),
  librust-h2-0.3+stream-dev,
  librust-handlebars-3+default-dev,
  librust-hex-0.4+default-dev (>= 0.4.3-~~),
+ librust-hex-0.4+serde-dev (>= 0.4.3-~~),
  librust-http-0.2+default-dev,
  librust-hyper-0.14+default-dev (>= 0.14.5-~~),
  librust-hyper-0.14+full-dev (>= 0.14.5-~~),