diff --git a/Dockerfile b/Dockerfile
index 561be45..5d51eab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,8 @@ ARG GNUNET_TARBALL_URL=
 
 RUN apt-get update && apt-get install -y \
     build-essential git automake libtool pkg-config \
-    libgnutls28-dev libjansson-dev libsqlite3-dev \
-    postgresql-client curl gnupg gettext-base \
+    libgnutls28-dev libjansson-dev libsqlite3-dev libunistring-dev \
+    postgresql-client curl gnupg gettext gettext-base \
     openjdk-17-jdk maven \
     meson ninja-build \
     && rm -rf /var/lib/apt/lists/*