diff --git a/package-lock.json b/package-lock.json
index 5d15832c..5d82de0d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "dashjs": "github:bbc/dash.js#smp-v4.7.3-11",
+        "dashjs": "github:bbc/dash.js#smp-v4.7.3-12",
         "smp-imsc": "github:bbc/imscJS#v1.0.3"
       },
       "devDependencies": {
@@ -5606,7 +5606,7 @@
     },
     "node_modules/dashjs": {
       "version": "4.7.3",
-      "resolved": "git+ssh://git@github.com/bbc/dash.js.git#3a97e478fb66c04b7c8da1fbb916928da3986c7c",
+      "resolved": "git+ssh://git@github.com/bbc/dash.js.git#5948e1d2f771948f4da940ab82f233cf54c1432f",
       "license": "BSD-3-Clause",
       "dependencies": {
         "bcp-47-match": "^2.0.3",
diff --git a/package.json b/package.json
index a6a82d45..f58e2343 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "typescript-eslint": "^7.2.0"
   },
   "dependencies": {
-    "dashjs": "github:bbc/dash.js#smp-v4.7.3-11",
+    "dashjs": "github:bbc/dash.js#smp-v4.7.3-12",
     "smp-imsc": "github:bbc/imscJS#v1.0.3"
   },
   "repository": {