diff --git a/promtail/Dockerfile b/promtail/Dockerfile
index e5f9398..8fa2ae2 100644
--- a/promtail/Dockerfile
+++ b/promtail/Dockerfile
@@ -20,6 +20,7 @@ RUN set -eux; \
         tar \
         unzip \
         psmisc \
+        procps \
         ; \
     update-ca-certificates; \
     case "${BUILD_ARCH}" in \