diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 40142e6..91ebd5b 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -109,11 +109,6 @@ jobs:
       - name: Check available disk space
         run: df -h
 
-      - name: Deploy Search Index to MeiliSearch Instance
-        run: |
-          cd avd-repo
-          curl -H 'Content-Type: application/json' -H 'X-Meili-API-Key: ${{ secrets.SEARCHAPITOKEN }}' -X POST ${{ secrets.SEARCHAPIHOST }}/indexes/avd/documents?primaryKey=title --data @docs/searchindex.json
-
       - name: Install AWS CLI
         run: |
           python3 -m venv .venv
@@ -127,6 +122,12 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.PROD_AVD_SECRET_ACCESS_KEY }}
           AWS_REGION: us-east-1
 
+      - name: Deploy Search Index to MeiliSearch Instance
+        env:
+          MEILI_HOST: ${{ secrets.SEARCHAPIHOST }}
+          MEILI_API_KEY: ${{ secrets.SEARCHAPITOKEN }}
+        run: ./ci/upload_searchindex.sh avd-repo/docs/searchindex.json
+
       - name: Slack Notification
         uses: slackapi/slack-github-action@dcb1066f776dd043e64d0e8ba94ca15cc7e1875d # v4.0.0
         if: failure()
diff --git a/ci/upload_searchindex.sh b/ci/upload_searchindex.sh
new file mode 100755
index 0000000..8fcbbe9
--- /dev/null
+++ b/ci/upload_searchindex.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+## Uploads the search index to MeiliSearch in chunks,
+## so that no request exceeds the request size limits.
+set -euo pipefail
+
+INDEX_FILE="${1:?usage: $0 <searchindex.json>}"
+: "${MEILI_HOST:?MEILI_HOST is not set}"
+: "${MEILI_API_KEY:?MEILI_API_KEY is not set}"
+CHUNK_SIZE="${CHUNK_SIZE:-25000}"
+WAIT_TIMEOUT="${WAIT_TIMEOUT:-3600}"
+POLL_INTERVAL="${POLL_INTERVAL:-10}"
+
+CHUNK_DIR=$(mktemp -d)
+trap 'rm -rf "$CHUNK_DIR"' EXIT
+
+split_index() {
+  jq -c --argjson n "$CHUNK_SIZE" 'range(0; length; $n) as $i | .[$i:$i+$n]' "$INDEX_FILE" \
+    | split -l 1 -a 4 - "$CHUNK_DIR/chunk_"
+
+  shopt -s nullglob
+  chunks=("$CHUNK_DIR"/chunk_*)
+  if [ ${#chunks[@]} -eq 0 ]; then
+    echo "$INDEX_FILE has no documents" >&2
+    exit 1
+  fi
+}
+
+upload_chunks() {
+  local i chunk info response update_id
+  echo "Uploading $(jq length "$INDEX_FILE") documents in ${#chunks[@]} chunks of up to $CHUNK_SIZE"
+
+  update_ids=()
+  for i in "${!chunks[@]}"; do
+    chunk=${chunks[$i]}
+    info="chunk $((i + 1))/${#chunks[@]}: $(jq length "$chunk") documents, $(wc -c < "$chunk" | tr -d ' ') bytes"
+    if ! response=$(curl --fail-with-body -sS \
+      --connect-timeout 10 --max-time 300 \
+      -H 'Content-Type: application/json' \
+      -H "X-Meili-API-Key: $MEILI_API_KEY" \
+      -X POST "$MEILI_HOST/indexes/avd/documents?primaryKey=title" \
+      --data-binary @"$chunk"); then
+      echo "$info, upload failed: $response" >&2
+      exit 1
+    fi
+    echo "$info, response: $response"
+
+    update_id=$(jq -r '.updateId // empty' <<< "$response")
+    if [ -z "$update_id" ]; then
+      echo "no updateId in the response for chunk $((i + 1))" >&2
+      exit 1
+    fi
+    update_ids+=("$update_id")
+  done
+}
+
+## MeiliSearch accepts documents into a queue and indexes them later,
+## so a successful upload does not mean the documents were indexed.
+wait_for_updates() {
+  local deadline id update status
+  deadline=$((SECONDS + WAIT_TIMEOUT))
+  for id in "${update_ids[@]}"; do
+    while true; do
+      if ! update=$(curl --fail-with-body -sS \
+        --connect-timeout 10 --max-time 30 \
+        -H "X-Meili-API-Key: $MEILI_API_KEY" \
+        "$MEILI_HOST/indexes/avd/updates/$id"); then
+        echo "failed to get update $id: $update" >&2
+        exit 1
+      fi
+
+      status=$(jq -r '.status' <<< "$update")
+      case "$status" in
+        processed)
+          echo "update $id processed"
+          break
+          ;;
+        failed)
+          echo "update $id failed: $update" >&2
+          exit 1
+          ;;
+      esac
+
+      if [ $SECONDS -ge $deadline ]; then
+        echo "update $id is still $status after ${WAIT_TIMEOUT}s" >&2
+        exit 1
+      fi
+      sleep "$POLL_INTERVAL"
+    done
+  done
+}
+
+split_index
+upload_chunks
+wait_for_updates