diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
index c83b9b0..8a2b825 100644
--- a/.github/workflows/make.yml
+++ b/.github/workflows/make.yml
@@ -35,5 +35,5 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.2
-      - run: sudo make install
+      - run: make install
       - run: make
diff --git a/.rultor.yml b/.rultor.yml
index 354e65c..91bdcb0 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -23,7 +23,7 @@
 docker:
   image: yegor256/rultor-image:1.23.1
 install: |
-  sudo make install "--directory=$(pwd)"
+  make install "--directory=$(pwd)"
 merge:
   script: |-
     sudo docker build "$(pwd)"
diff --git a/Dockerfile b/Dockerfile
index 25210d1..f1522fd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,18 +40,14 @@ RUN rm -rf /usr/lib/node_modules \
   && apt-get -y install --no-install-recommends \
     nodejs \
   && apt-get clean \
-  && rm -rf /var/lib/apt/lists/* \
-  && npm install -g sass@1.77.1
-
-RUN gem install judges:0.0.31 \
-  && curl -sL -o /usr/local/Saxon.jar \
-    https://repo.maven.apache.org/maven2/net/sf/saxon/Saxon-HE/9.8.0-5/Saxon-HE-9.8.0-5.jar
+  && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /home
 COPY Makefile /home
 COPY entry.sh /home
 COPY sass /home/sass
 COPY xsl /home/xsl
+RUN make --directory=/home --no-silent install
 RUN make --directory=/home --no-silent
 
 ENTRYPOINT ["/home/entry.sh", "/home"]
diff --git a/Makefile b/Makefile
index e842e36..41c7277 100644
--- a/Makefile
+++ b/Makefile
@@ -61,8 +61,8 @@ $(CSS): sass/*.scss | target
 clean:
 	rm -rf target
 
-install:
-	wget --no-verbose -O /usr/local/Saxon.jar https://repo.maven.apache.org/maven2/net/sf/saxon/Saxon-HE/9.8.0-5/Saxon-HE-9.8.0-5.jar
+install: target
+	wget --no-verbose -O target/saxon.jar https://repo.maven.apache.org/maven2/net/sf/saxon/Saxon-HE/9.8.0-5/Saxon-HE-9.8.0-5.jar
 	gem install judges:0.0.31
 	npm install -g sass@1.77.2
 
diff --git a/entry.sh b/entry.sh
index 331d5b7..b319684 100755
--- a/entry.sh
+++ b/entry.sh
@@ -36,13 +36,6 @@ else
     SELF=$1
 fi
 
-SAXON=/usr/local/Saxon.jar
-if [ ! -e "${SAXON}" ]; then
-    echo "There is not Saxon JAR at this path: ${SAXON}."
-    echo "Because of this, XSLT transformations won't work."
-    exit 1
-fi
-
 # Convert the factbase to a few human-readable formats
 if [ -z "${GITHUB_WORKSPACE}" ]; then
     echo 'Probably you are running this script not from GitHub Actions.'
@@ -75,7 +68,7 @@ done
 
 # Build a summary HTML.
 css=$(cat "${SELF}/target/css/main.css")
-java -jar ${SAXON} \
+java -jar "${SELF}/saxon.jar" \
     "-s:${INPUT_OUTPUT}/${name}.xml" \
     "-xsl:${SELF}/target/xsl/index.xsl" \
     "-o:${INPUT_OUTPUT}/${name}.html" \