diff --git a/.includes/rhvoice-dictionaries.sh b/.includes/rhvoice-dictionaries.sh
new file mode 100644
index 0000000..4935e7c
--- /dev/null
+++ b/.includes/rhvoice-dictionaries.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+# shellcheck disable=SC2154
+# sudoFlags is set by configure-stormux.sh before this file is sourced.
+
+update_rhvoice_dictionaries() {
+    local targetDirectory="/etc/RHVoice/dicts/English"
+    local baseUrl="https://git.stormux.org/storm/rhvoice-english/raw/branch/master/English"
+    local dictionaryFiles=(
+        "wordfix.txt"
+        "namefix.txt"
+    )
+    local tempDirectory
+    local dictionaryFile
+
+    tempDirectory="$(mktemp -d)" || {
+        msgbox "Failed to create a temporary directory for RHVoice dictionary updates."
+        return 1
+    }
+
+    cleanup() {
+        rm -rf "$tempDirectory"
+    }
+    trap cleanup RETURN
+
+    infobox "Downloading RHVoice dictionaries..."
+    for dictionaryFile in "${dictionaryFiles[@]}"; do
+        if ! curl -fL --retry 10 -o "${tempDirectory}/${dictionaryFile}" "${baseUrl}/${dictionaryFile}"; then
+            msgbox "Failed to download ${dictionaryFile} from the RHVoice English dictionary repository."
+            return 1
+        fi
+    done
+
+    if ! sudo "${sudoFlags[@]}" mkdir -p "$targetDirectory"; then
+        msgbox "Failed to create ${targetDirectory}."
+        return 1
+    fi
+
+    for dictionaryFile in "${dictionaryFiles[@]}"; do
+        if ! sudo "${sudoFlags[@]}" install -m 0644 "${tempDirectory}/${dictionaryFile}" "${targetDirectory}/${dictionaryFile}"; then
+            msgbox "Failed to install ${dictionaryFile} to ${targetDirectory}."
+            return 1
+        fi
+    done
+
+    if [[ "$(yesno "RHVoice dictionaries updated successfully.\n\nRestart speech-dispatcher?")" == "Yes" ]]; then
+        if ! sudo "${sudoFlags[@]}" killall speech-dispatcher; then
+            msgbox "RHVoice dictionaries were updated, but restarting speech-dispatcher failed."
+            return 1
+        fi
+    fi
+
+    msgbox "RHVoice dictionaries updated successfully."
+    return 0
+}
+
+update_rhvoice_dictionaries
diff --git a/configure-stormux.sh b/configure-stormux.sh
index 1c778e9..3e03270 100755
--- a/configure-stormux.sh
+++ b/configure-stormux.sh
@@ -118,6 +118,9 @@ while [[ "$choice" != "Exit" ]]; do
             sudo "${sudoFlags[@]}" git pull
             exit $?
         ;;
+        "Update RHVoice dictionaries")
+            source .includes/rhvoice-dictionaries.sh
+        ;;
         "Convert to Server")
             source .includes/convert-to-server.sh
         ;;
@@ -151,6 +154,7 @@ while [[ "$choice" != "Exit" ]]; do
         "Get help on IRC"
         "Update configure-stormux"
         "Update EEPROM"
+        "Update RHVoice dictionaries"
         "Convert to Server"
         "Configure StormUX Repository"
     )