diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 9a18312..5a69e48 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
           key: node-modules-${{ needs.quick-checks.outputs.cache-key }}
 
       - name: Install dependencies (if cache miss)
-        run: bun install
+        run: bun install --frozen-lockfile
 
       - name: Run ESLint
         run: bun run lint
@@ -107,7 +107,7 @@ jobs:
           key: node-modules-${{ needs.quick-checks.outputs.cache-key }}
 
       - name: Install dependencies (if cache miss)
-        run: bun install
+        run: bun install --frozen-lockfile
 
       - name: Cache Jest cache
         uses: actions/cache@v4
@@ -122,7 +122,7 @@ jobs:
           NODE_OPTIONS: --max_old_space_size=4096
 
       - name: Upload coverage reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         if: always()
         with:
           name: coverage-report
@@ -151,7 +151,7 @@ jobs:
           key: node-modules-${{ needs.quick-checks.outputs.cache-key }}
 
       - name: Install dependencies (if cache miss)
-        run: bun install
+        run: bun install --frozen-lockfile
 
       - name: Cache Next.js build
         uses: actions/cache@v4
@@ -168,7 +168,7 @@ jobs:
           NODE_OPTIONS: --max_old_space_size=4096
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: build-files
           path: .next/
@@ -196,7 +196,7 @@ jobs:
           key: node-modules-${{ needs.quick-checks.outputs.cache-key }}
 
       - name: Install dependencies (if cache miss)
-        run: bun install
+        run: bun install --frozen-lockfile
 
       - name: Run security audit
         run: bun audit --audit-level moderate