diff --git a/build/javascript/package-lock.json b/build/javascript/package-lock.json
index 6f9820470..b19391d0c 100644
--- a/build/javascript/package-lock.json
+++ b/build/javascript/package-lock.json
@@ -15,7 +15,7 @@
         "htm": "^3.1.0",
         "mark.js": "^8.11.1",
         "micromodal": "^0.4.6",
-        "preact": "10.5.10",
+        "preact": "10.5.15",
         "tailwindcss": "^1.9.6",
         "video.js": "7.15.4"
       },
@@ -558,7 +558,6 @@
       "dependencies": {
         "anymatch": "~3.1.2",
         "braces": "~3.0.2",
-        "fsevents": "~2.3.2",
         "glob-parent": "~5.1.2",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -2168,9 +2167,13 @@
       "integrity": "sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ=="
     },
     "node_modules/preact": {
-      "version": "10.5.10",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.5.10.tgz",
-      "integrity": "sha512-A6SITnHaj5CS4JPLVroQDNOEozq4Y0B4yQSGHLznxHe66Jb2DvoeTEibLjXmfeofgQE3BZ2zurltBIapzCMlwg=="
+      "version": "10.5.15",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.5.15.tgz",
+      "integrity": "sha512-5chK29n6QcJc3m1lVrKQSQ+V7K1Gb8HeQY6FViQ5AxCAEGu3DaHffWNDkC9+miZgsLvbvU9rxbV1qinGHMHzqA==",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
     },
     "node_modules/pretty-hrtime": {
       "version": "1.0.3",
@@ -4733,9 +4736,9 @@
       "integrity": "sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ=="
     },
     "preact": {
-      "version": "10.5.10",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.5.10.tgz",
-      "integrity": "sha512-A6SITnHaj5CS4JPLVroQDNOEozq4Y0B4yQSGHLznxHe66Jb2DvoeTEibLjXmfeofgQE3BZ2zurltBIapzCMlwg=="
+      "version": "10.5.15",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.5.15.tgz",
+      "integrity": "sha512-5chK29n6QcJc3m1lVrKQSQ+V7K1Gb8HeQY6FViQ5AxCAEGu3DaHffWNDkC9+miZgsLvbvU9rxbV1qinGHMHzqA=="
     },
     "pretty-hrtime": {
       "version": "1.0.3",
diff --git a/build/javascript/package.json b/build/javascript/package.json
index 969d2298e..e8352491f 100644
--- a/build/javascript/package.json
+++ b/build/javascript/package.json
@@ -10,7 +10,7 @@
     "htm": "^3.1.0",
     "mark.js": "^8.11.1",
     "micromodal": "^0.4.6",
-    "preact": "10.5.10",
+    "preact": "10.5.15",
     "tailwindcss": "^1.9.6",
     "video.js": "7.15.4"
   },