diff --git a/workloads/docs-portal/Dockerfile b/workloads/docs-portal/Dockerfile
index 22bdd77..c2a4b7d 100644
--- a/workloads/docs-portal/Dockerfile
+++ b/workloads/docs-portal/Dockerfile
@@ -3,6 +3,14 @@ FROM python:3.12-slim AS build
 
 WORKDIR /site
 
+# mkdocs-git-revision-date-localized-plugin depende de GitPython, que
+# necesita el binario git presente solo para poder importarse (si falta,
+# el import truena y rompe el build --strict, incluso con
+# fallback_to_build_date activado en mkdocs.yml).
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends git \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt