diff --git a/Closing.html b/Closing.html
index 4f0cd10..1b45770 100644
--- a/Closing.html
+++ b/Closing.html
@@ -10,7 +10,7 @@
     最後に実験全体に関するアンケートにお答えいただき，実験は終了となります．<br>
 </p>
 
-<a href="https://docs.google.com/forms/d/e/1FAIpQLSc90oOxukZ3i0QmZvWMZSjW1QAjmq82yvEysmWH0sqmyNTg2g/viewform?usp=sharing" target="_blank">
+<a href="https://docs.google.com/forms/d/e/1FAIpQLSepGActLMx78wWtwegD48BKvNWxcYjV81ZpryM2rVSxjkLezw/viewform" target="_blank">
     最終アンケート
 </a>
 <p>
diff --git a/Introduction.html b/Introduction.html
index 24cfe6c..ca0d0fe 100644
--- a/Introduction.html
+++ b/Introduction.html
@@ -153,7 +153,7 @@
 </p>
 
 <div class="contract-survey">
-    <a href="https://docs.google.com/forms/d/e/1FAIpQLScmTAP-Mi-H6KWE-BfrPR-IjQnsxZTW-653iZMo4FwejjxBlg/viewform?usp=sharing" target="_blank">
+    <a href="https://docs.google.com/forms/d/e/1FAIpQLSf_XRpvZ6-vyoceef0nLTdG3RxER0ukIi_e54crah1_uYkeBQ/viewform" target="_blank">
         実験同意書
     </a>
 </div>
@@ -163,7 +163,7 @@
 </p>
 
 <div class="contract-survey">
-    <a href="https://docs.google.com/forms/u/0/d/e/1FAIpQLScrp4RRIZBKJd_Hsn7sLRiPHHesG7auggNn22fLH-_jq1HREA/viewform?usp=sharing&pli=1" target="_blank">
+    <a href="https://docs.google.com/forms/d/e/1FAIpQLSeQnA3EUDVw8Ky-WWYIjGKBr-zuhEjMRTr8JPbaMZBnkivWYA/viewform" target="_blank">
         個人アンケート
     </a>
 </div>