diff --git a/build/Dockerfile b/build/Dockerfile
index bf4e5d4..b2bc667 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -25,7 +25,7 @@ EXPOSE 143/tcp
 
 # Install dependencies and protonmail bridge
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends socat pass libsecret-1-0 ca-certificates libfido2-1 \
+    && apt-get install -y --no-install-recommends socat pass libsecret-1-0 ca-certificates libfido2-1 dbus \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy bash scripts