diff --git a/docs/Dockerfile b/docs/Dockerfile
index a9dbb109..7a82e49b 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -7,12 +7,19 @@ ENV VERSION=$version
 COPY requirements.txt /requirements.txt
 COPY . /docs
 
-RUN apk add --no-cache --virtual .build-deps \
-    gcc musl-dev \
- && pip3 install -r /requirements.txt \
- && mkdir -p /build/$VERSION \
- && sphinx-build -W /docs /build/$VERSION \
- && apk del .build-deps
+RUN set -euxo pipefail \
+  ; deps="gcc musl-dev" \
+  ; [[ "${machine}" != x86_64 ]] && \
+      deps="${deps} cargo" \
+  ; apk add --no-cache --virtual .build-deps ${deps} \
+  ; [[ "${machine}" == armv7* ]] && \
+      mkdir -p /root/.cargo/registry/index && \
+      git clone --bare https://github.com/rust-lang/crates.io-index.git /root/.cargo/registry/index/github.com-1285ae84e5963aae \
+  ; pip3 install -r /requirements.txt \
+  ; mkdir -p /build/$VERSION \
+  ; sphinx-build -W /docs /build/$VERSION \
+  ; apk del .build-deps \
+  ; rm -rf /root/.cargo
 
 
 # Build nginx deployment image including generated html