diff --git a/opal/static/thirdparty/package-lock.json b/opal/static/thirdparty/package-lock.json
index 0772ec08f..1908553db 100644
--- a/opal/static/thirdparty/package-lock.json
+++ b/opal/static/thirdparty/package-lock.json
@@ -8,7 +8,7 @@
       "dependencies": {
         "@fortawesome/fontawesome-free": "7.1.0",
         "bootstrap": "5.3.8",
-        "unpoly": "3.12.0"
+        "unpoly": "3.12.1"
       }
     },
     "node_modules/@fortawesome/fontawesome-free": {
@@ -51,9 +51,9 @@
       }
     },
     "node_modules/unpoly": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/unpoly/-/unpoly-3.12.0.tgz",
-      "integrity": "sha512-rAW07WkydmvviYAR1rqQY5uRhvOvuPt3SU0FL5Ld13vO3lHIlyEHKWjgCT5JqtY72OSu95qeBbN2AFv0RYgMKQ==",
+      "version": "3.12.1",
+      "resolved": "https://registry.npmjs.org/unpoly/-/unpoly-3.12.1.tgz",
+      "integrity": "sha512-32zcXt/uKqiYK0M/NnvxTMe8oAq/mklJkVCkR7Gm6SlNkuEH0d8UFVAwQtt3LVi+TEHqfLzkSsueOio+N4VdPw==",
       "license": "MIT"
     }
   }
diff --git a/opal/static/thirdparty/package.json b/opal/static/thirdparty/package.json
index d77ee4a11..f3f71240e 100644
--- a/opal/static/thirdparty/package.json
+++ b/opal/static/thirdparty/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "7.1.0",
     "bootstrap": "5.3.8",
-    "unpoly": "3.12.0"
+    "unpoly": "3.12.1"
   },
   "scripts": {
     "postinstall": "node copy_distribution_files.js"
diff --git a/opal/static/thirdparty/unpoly/js/unpoly.min.js b/opal/static/thirdparty/unpoly/js/unpoly.min.js
index dd561270e..56b6764a0 100644
--- a/opal/static/thirdparty/unpoly/js/unpoly.min.js
+++ b/opal/static/thirdparty/unpoly/js/unpoly.min.js
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2df670e031bbc987bfa713a51432d131dc5e1f79b04cffa41acd4acd1383a108
-size 174717
+oid sha256:5aa05e1a4face1be3f966a7e0bc178a81beb28298bdf175e7bd69ce9049400eb
+size 174718