diff --git a/apps/web/package.json b/apps/web/package.json
index a026f44bce..47dec44e43 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -81,7 +81,7 @@
         "lodash": "npm:lodash-es@4.18.1",
         "maplibre-gl": "^5.0.0",
         "matrix-encrypt-attachment": "^1.0.3",
-        "matrix-js-sdk": "42.1.0",
+        "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
         "matrix-widget-api": "^1.16.1",
         "memoize-one": "^6.0.0",
         "mime": "^4.0.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 580ce9599b..aa572b673e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -649,8 +649,8 @@ importers:
         specifier: ^1.0.3
         version: 1.0.3
       matrix-js-sdk:
-        specifier: 42.1.0
-        version: 42.1.0
+        specifier: github:matrix-org/matrix-js-sdk#develop
+        version: https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/6f50bf82395a38166f8bd5cf5847995843736795
       matrix-widget-api:
         specifier: ^1.17.0
         version: 1.17.0
@@ -10214,8 +10214,9 @@ packages:
   matrix-events-sdk@0.0.1:
     resolution: {integrity: sha512-1QEOsXO+bhyCroIe2/A5OwaxHvBm7EsSQ46DEDn8RBIfQwN5HWBpFvyWWR4QY0KHPPnnJdI99wgRiAl7Ad5qaA==}
 
-  matrix-js-sdk@42.1.0:
-    resolution: {integrity: sha512-/lK6XKRyYapgMUpFp0NyFQDnIt303yMNumk/1qBXRhzb43yV9fDPQZDcw++Yp5JcFiYLdFTZh8gS+AI7gxlghg==}
+  matrix-js-sdk@https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/6f50bf82395a38166f8bd5cf5847995843736795:
+    resolution: {gitHosted: true, integrity: sha512-bvR5diZ2FdO2a5Zt3o9SFtA6G61kpU19bAuf/MZp09QNcwehn7jEQdo3RtJVFChNv437DIgP/EXtQKY7EeVoAA==, tarball: https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/6f50bf82395a38166f8bd5cf5847995843736795}
+    version: 42.1.0
     engines: {node: '>=22.0.0'}
 
   matrix-web-i18n@3.6.0:
@@ -14239,7 +14240,7 @@ snapshots:
 
   '@babel/plugin-syntax-typescript@7.29.7(@babel/core@7.29.7)':
     dependencies:
-      '@babel/core': 7.29.7(supports-color@7.2.0)
+      '@babel/core': 7.29.7(supports-color@10.2.2)
       '@babel/helper-plugin-utils': 7.29.7
 
   '@babel/plugin-syntax-unicode-sets-regex@7.18.6(@babel/core@7.29.7)':
@@ -22360,14 +22361,6 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  http-proxy-agent@7.0.2(supports-color@7.2.0):
-    dependencies:
-      agent-base: 7.1.4
-      debug: 4.4.3(supports-color@7.2.0)
-    transitivePeerDependencies:
-      - supports-color
-    optional: true
-
   http-proxy-agent@9.1.0(supports-color@10.2.2):
     dependencies:
       agent-base: 9.0.0
@@ -22415,14 +22408,6 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  https-proxy-agent@7.0.6(supports-color@7.2.0):
-    dependencies:
-      agent-base: 7.1.4
-      debug: 4.4.3(supports-color@7.2.0)
-    transitivePeerDependencies:
-      - supports-color
-    optional: true
-
   https-proxy-agent@9.1.0(supports-color@10.2.2):
     dependencies:
       agent-base: 9.0.0
@@ -23086,34 +23071,6 @@ snapshots:
       - supports-color
       - utf-8-validate
 
-  jsdom@26.1.0(patch_hash=040623e87b1c8b676c2a705513c0276c0704dd1b23fc3a1bb77cde8128b64b5f)(supports-color@7.2.0):
-    dependencies:
-      cssstyle: 4.6.0
-      data-urls: 5.0.0
-      decimal.js: 10.6.0
-      html-encoding-sniffer: 4.0.0
-      http-proxy-agent: 7.0.2(supports-color@7.2.0)
-      https-proxy-agent: 7.0.6(supports-color@7.2.0)
-      is-potential-custom-element-name: 1.0.1
-      nwsapi: 2.2.23
-      parse5: 7.3.0
-      rrweb-cssom: 0.8.0
-      saxes: 6.0.0
-      symbol-tree: 3.2.4
-      tough-cookie: 5.1.2
-      w3c-xmlserializer: 5.0.0
-      webidl-conversions: 7.0.0
-      whatwg-encoding: 3.1.1
-      whatwg-mimetype: 4.0.0
-      whatwg-url: 14.2.0
-      ws: 8.21.1
-      xml-name-validator: 5.0.0
-    transitivePeerDependencies:
-      - bufferutil
-      - supports-color
-      - utf-8-validate
-    optional: true
-
   jsesc@3.1.0: {}
 
   json-buffer@3.0.1: {}
@@ -23496,7 +23453,7 @@ snapshots:
 
   matrix-events-sdk@0.0.1: {}
 
-  matrix-js-sdk@42.1.0:
+  matrix-js-sdk@https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/6f50bf82395a38166f8bd5cf5847995843736795:
     dependencies:
       '@babel/runtime': 8.0.0
       '@matrix-org/matrix-sdk-crypto-wasm': 18.4.0
@@ -27086,7 +27043,7 @@ snapshots:
       '@vitest/browser-playwright': 4.1.10(playwright@1.61.1)(vite@8.1.5)(vitest@4.1.10)
       '@vitest/coverage-v8': 4.1.10(@vitest/browser@4.1.10)(vitest@4.1.10)
       happy-dom: 20.11.0
-      jsdom: 26.1.0(patch_hash=040623e87b1c8b676c2a705513c0276c0704dd1b23fc3a1bb77cde8128b64b5f)(supports-color@7.2.0)
+      jsdom: 26.1.0(patch_hash=040623e87b1c8b676c2a705513c0276c0704dd1b23fc3a1bb77cde8128b64b5f)(supports-color@10.2.2)
     transitivePeerDependencies:
       - msw