diff --git a/pkgs/applications/networking/instant-messengers/schildichat/pin.json b/pkgs/applications/networking/instant-messengers/schildichat/pin.json
index d227dc4b0fb..ef981716ef1 100644
--- a/pkgs/applications/networking/instant-messengers/schildichat/pin.json
+++ b/pkgs/applications/networking/instant-messengers/schildichat/pin.json
@@ -1,9 +1,9 @@
 {
-  "version": "1.10.4-sc.1",
-  "rev": "v1.10.4-sc.1",
-  "srcHash": "0sxibzskbw9pa6wmbk1y3n7p74cfj9zvm2hsw76sp6wfac1wnbwl",
-  "webYarnHash": "1z8xr35gh74y2iv9kfk6d6b6f3iclcrpkdds5q7rh2irpf14fwpw",
-  "jsSdkYarnHash": "1cwvb0hwq19dh2937fmcbfvnkkfmalk9wrxf1yv81nsbyjnx86di",
-  "reactSdkYarnHash": "0j4rxg11q35idfzvjrpmyrwkz9yqgzpwps3xqx1k4qcs844jjs9f",
-  "desktopYarnHash": "0akmgib212gkygvs2snn9c43k3ika3ipg85d480j3hqyb6yxwqmn"
+  "version": "1.10.12-sc.1",
+  "rev": "v1.10.12-sc.1",
+  "srcHash": "1rpfax6xx731w59a2i7v6jr17l3rnrn79d666f0cjchg36nkqqg9",
+  "webYarnHash": "0m5dnz3m68iz94siwmavzj50wxd6w6wanjsm1zhq76lgymgcbqc2",
+  "jsSdkYarnHash": "1k1jvavbqr7vcbdaxc6yqiq5254kxhywn1s2zndrfny7ap8z5c1c",
+  "reactSdkYarnHash": "0cz7pgrbysljmhpf4m0wqwqjqijxahl3wz5qhczlkj46dvq6qyxb",
+  "desktopYarnHash": "09ri87ynfgxrv22sykggiy6nlcf20qwj7zj9qq0rz3c2acr6g9mn"
 }
diff --git a/pkgs/applications/networking/instant-messengers/schildichat/schildichat-web.nix b/pkgs/applications/networking/instant-messengers/schildichat/schildichat-web.nix
index a7ad6fb4d9b..7041a19684c 100644
--- a/pkgs/applications/networking/instant-messengers/schildichat/schildichat-web.nix
+++ b/pkgs/applications/networking/instant-messengers/schildichat/schildichat-web.nix
@@ -78,13 +78,8 @@ in stdenv.mkDerivation rec {
   buildPhase = ''
     runHook preBuild
 
-    pushd matrix-react-sdk
-    ../element-web/node_modules/.bin/reskindex -h ../element-web/src/header
-    popd
-
     pushd element-web
     node scripts/copy-res.js
-    node_modules/.bin/reskindex -h ../element-web/src/header
     node_modules/.bin/webpack --progress --mode production
     popd
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5909237b90c..54d17be1214 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5431,7 +5431,7 @@ with pkgs;
 
   schildichat-desktop = callPackage ../applications/networking/instant-messengers/schildichat/schildichat-desktop.nix {
     inherit (darwin.apple_sdk.frameworks) Security AppKit CoreServices;
-    electron = electron_15;
+    electron = electron_17;
   };
   schildichat-desktop-wayland = writeScriptBin "schildichat-desktop" ''
     #!/bin/sh