diff --git a/ci/build.sh b/ci/build.sh
deleted file mode 100755
index e5c7a26..0000000
--- a/ci/build.sh
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-APP="$1"
-
-if [ "$APP" = "hugo-chat" ]; then
-    REPO="https://github.com/C0RR1T/HugoChat.git"
-elif [ "$APP" = "cors" ]; then
-    REPO="https://github.com/noratrieb-lehre/davinci-cors.git"
-else
-    REPO="https://github.com/Noratrieb/$APP.git"
-fi
-
-echo "Checking out $REPO"
-git clone "$REPO" ../app
-cd ../app
-
-CURRENT_COMMIT=$(git rev-parse HEAD | cut -c1-8)
-echo "Latest commit of $APP is $CURRENT_COMMIT"
-
-echo "**Commit: \`$CURRENT_COMMIT\`**" >> "$GITHUB_STEP_SUMMARY"
-
-if [ "$APP" = "hugo-chat" ]; then
-    IMAGE_PREFIX="docker.noratrieb.dev/hugo-chat"
-    SERVER_FULL_NAME="$IMAGE_PREFIX-server:$CURRENT_COMMIT"
-    CLIENT_FULL_NAME="$IMAGE_PREFIX-client:$CURRENT_COMMIT"
-
-    pushd ./HugoServer
-    echo "Building server"
-    docker build . -t "$SERVER_FULL_NAME"
-    docker push "$SERVER_FULL_NAME"
-    popd
-
-    pushd ./hugo-client
-    echo "Building client"
-    docker build . -t "$CLIENT_FULL_NAME"
-    docker push "$CLIENT_FULL_NAME"
-    popd
-
-    exit 0
-fi
-
-if [ "$APP" = "cors" ]; then
-    IMAGE_PREFIX="docker.noratrieb.dev/cors-school"
-    SERVER_FULL_NAME="$IMAGE_PREFIX-server:$CURRENT_COMMIT"
-    CLIENT_FULL_NAME="$IMAGE_PREFIX-client:$CURRENT_COMMIT"
-    BOT_FULL_NAME="$IMAGE_PREFIX-bot:$CURRENT_COMMIT"
-
-    pushd ./react-frontend
-    echo "Building frontend"
-    docker build -t "$CLIENT_FULL_NAME" .
-    docker push "$CLIENT_FULL_NAME"
-    popd
-
-    pushd ./rust
-    echo "Building server"
-    docker build -t "$SERVER_FULL_NAME" -f Dockerfile.server .
-    docker push "$SERVER_FULL_NAME"
-
-    echo "Building bot"
-    docker build -t "$BOT_FULL_NAME" -f Dockerfile.bot .
-    docker push "$BOT_FULL_NAME"
-    popd
-
-    exit 0
-fi
-
-if [ "$APP" = "dockerolat" ]; then
-    APP="openolat"
-fi
-
-IMAGE_PREFIX="docker.noratrieb.dev/$APP"
-IMAGE_FULL_NAME="$IMAGE_PREFIX:$CURRENT_COMMIT"
-
-docker build . -t "$IMAGE_FULL_NAME"
-docker push "$IMAGE_FULL_NAME"
diff --git a/nix/nixpkgs.json b/nix/nixpkgs.json
index d8692bf..10dd445 100644
--- a/nix/nixpkgs.json
+++ b/nix/nixpkgs.json
@@ -1,6 +1,6 @@
 {
   "nixos-25.11": {
-    "lastUpdated": "2026-04-15T19:50:47.947Z",
-    "commit": "7e495b747b51f95ae15e74377c5ce1fe69c1765f"
+    "lastUpdated": "2026-05-10T14:35:41.703Z",
+    "commit": "0c88e1f2bdb93d5999019e99cb0e61e1fe2af4c5"
   }
 }