diff --git a/image/auto_build.rb b/image/auto_build.rb
index 0d33ff2e1..ed5b22d3b 100644
--- a/image/auto_build.rb
+++ b/image/auto_build.rb
@@ -63,6 +63,7 @@ def dev_deps()
     "sed -e 's/\(db_name: discourse\)/\1_development/' ../templates/postgres.template.yml > discourse_dev/postgres.template.yml",
   )
   run("cp ../templates/redis.template.yml discourse_dev/redis.template.yml")
+  run("cp base/install-rust discourse_dev/install-rust")
 end
 
 if ARGV.length != 1
diff --git a/image/base/install-rust b/image/base/install-rust
index b45263781..968899a97 100755
--- a/image/base/install-rust
+++ b/image/base/install-rust
@@ -5,7 +5,7 @@ set -e
 export RUSTUP_HOME=/usr/local/rustup
 export CARGO_HOME=/usr/local/cargo
 export PATH=/usr/local/cargo/bin:$PATH
-export RUST_VERSION=1.68.0
+export RUST_VERSION=1.75.0
 export RUSTUP_VERSION=1.25.2
 
 dpkgArch="$(dpkg --print-architecture)"
diff --git a/image/discourse_dev/Dockerfile b/image/discourse_dev/Dockerfile
index 4bbd9e4c9..65e79beb3 100644
--- a/image/discourse_dev/Dockerfile
+++ b/image/discourse_dev/Dockerfile
@@ -36,13 +36,13 @@ RUN mv /shared/postgres_data /shared/postgres_data_orig
 # invocations when used with a mounted volume)
 ADD ensure-database /etc/runit/1.d/ensure-database
 
-RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - &&\
-    echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list &&\
-    apt update &&\
-    apt install -y google-chrome-stable firefox-esr
+ADD install-rust /tmp/install-rust
+ADD install-selenium /tmp/install-selenium
+RUN /tmp/install-selenium
 
 # Install & Configure MailHog (https://github.com/mailhog/MailHog)
 RUN wget -qO /tmp/mailhog https://github.com/mailhog/MailHog/releases/download/v1.0.1/MailHog_linux_amd64\
     && echo "e2ed634ded49929f089b20045581955ed217672078fd86082dd7a6c67c5d09c7 /tmp/mailhog" | sha256sum -c -\
     && mv /tmp/mailhog /usr/local/bin/mailhog\
-    && chmod +x /usr/local/bin/mailhog
+    && chmod +x /usr/local/bin/mailhog\
+    && rm -rf /tmp/*
diff --git a/image/discourse_dev/install-selenium b/image/discourse_dev/install-selenium
new file mode 100755
index 000000000..2cf6f749d
--- /dev/null
+++ b/image/discourse_dev/install-selenium
@@ -0,0 +1,28 @@
+#!/bin/bash
+set -e
+
+# The chrome webdriver isn’t available for the aarch64 architecture (yet). We
+# have to rely on the geckodriver instead, so we’re just installing firefox and
+# not even chromium.
+# The Selenium gem isn’t shipped with the `selenium-manager` binary for aarch64
+# either (yet). So we have to compile it ourselves.
+if [ "$(dpkg --print-architecture)" = "arm64" ]; then
+    apt update && apt install -y firefox-esr
+    cd /tmp
+    /tmp/install-rust
+    git clone --depth 1 --no-checkout https://github.com/SeleniumHQ/selenium.git
+    cd selenium
+    git sparse-checkout set rust
+    git checkout
+    cd rust
+    cargo build --release
+    cp target/release/selenium-manager /usr/local/bin
+    rustup self uninstall -y
+    cd /
+    rm -rf /tmp/*
+else
+    wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - &&\
+    echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list &&\
+    apt update &&\
+    apt install -y google-chrome-stable firefox-esr
+fi