diff --git a/.github/workflows/deploy-timeweb.yml b/.github/workflows/deploy-timeweb.yml
index 1a3ad24..554860d 100644
--- a/.github/workflows/deploy-timeweb.yml
+++ b/.github/workflows/deploy-timeweb.yml
@@ -36,15 +36,19 @@ jobs:
 
           login_file="public/core/login-signature-v1776.js"
           logo_file="public/caterium-mark-light.svg"
+          sw_file="public/service-worker.js"
 
           test -s "$login_file"
           test -s "$logo_file"
+          test -s "$sw_file"
 
           local_login="$(sha256sum "$login_file" | awk '{print $1}')"
           local_logo="$(sha256sum "$logo_file" | awk '{print $1}')"
+          local_sw="$(sha256sum "$sw_file" | awk '{print $1}')"
 
           echo "Expected login sha256: $local_login"
           echo "Expected logo sha256:  $local_logo"
+          echo "Expected SW sha256:    $local_sw"
 
           for attempt in $(seq 1 18); do
             stamp="${GITHUB_RUN_ID}-${GITHUB_RUN_ATTEMPT}-${attempt}"
@@ -55,15 +59,20 @@ jobs:
                 -o /tmp/caterium-login.js && \
                curl -fsSL --connect-timeout 10 --max-time 30 \
                 "${TIMEWEB_BASE_URL}/caterium-mark-light.svg?deploy_check=${stamp}" \
-                -o /tmp/caterium-mark.svg; then
+                -o /tmp/caterium-mark.svg && \
+               curl -fsSL --connect-timeout 10 --max-time 30 \
+                "${TIMEWEB_BASE_URL}/service-worker.js?deploy_check=${stamp}" \
+                -o /tmp/caterium-sw.js; then
               remote_login="$(sha256sum /tmp/caterium-login.js | awk '{print $1}')"
               remote_logo="$(sha256sum /tmp/caterium-mark.svg | awk '{print $1}')"
+              remote_sw="$(sha256sum /tmp/caterium-sw.js | awk '{print $1}')"
 
               echo "Remote login sha256: $remote_login"
               echo "Remote logo sha256:  $remote_logo"
+              echo "Remote SW sha256:    $remote_sw"
 
-              if [ "$remote_login" = "$local_login" ] && [ "$remote_logo" = "$local_logo" ]; then
-                echo "Timeweb production is current."
+              if [ "$remote_login" = "$local_login" ] && [ "$remote_logo" = "$local_logo" ] && [ "$remote_sw" = "$local_sw" ]; then
+                echo "Timeweb production is current, including refreshed PWA cache."
                 exit 0
               fi
             else
@@ -73,5 +82,5 @@ jobs:
             sleep 30
           done
 
-          echo "::error::Timeweb did not reach the tested Caterium login revision within 9 minutes."
+          echo "::error::Timeweb did not reach the tested Caterium revision within 9 minutes."
           exit 1