diff --git a/Dockerfile.debian.python b/Dockerfile.debian.python
index 7ab0694..fa8e570 100644
--- a/Dockerfile.debian.python
+++ b/Dockerfile.debian.python
@@ -10,9 +10,7 @@ RUN apt-get update && \
     apt-get install --no-install-recommends -y \
     meson gcc g++ clang pkg-config git \
     libjson-c-dev libssl-dev libkeyutils-dev libdbus-1-dev libpython3-dev \
-    pipx python3-dev swig xz-utils \
-    xz-utils \
-    lcov && \
+    pipx python3-dev swig xz-utils lcov gnupg && \
     apt-get update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*