diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 2fdaf26..261a63a 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -30,6 +30,9 @@ jobs:
         run: npm ci
 
       - name: Type check
+        # googleapis добавляет очень тяжёлые .d.ts — без увеличения heap tsc падает с OOM (Ineffective mark-compacts)
+        env:
+          NODE_OPTIONS: --max-old-space-size=6144
         run: npm run check
 
       - name: Type check document worker
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 89cc3d8..5b5fe6c 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -27,6 +27,9 @@ jobs:
         run: npm ci
 
       - name: Type check
+        # googleapis добавляет очень тяжёлые .d.ts — без увеличения heap tsc падает с OOM (Ineffective mark-compacts)
+        env:
+          NODE_OPTIONS: --max-old-space-size=6144
         run: npm run check
 
       - name: Type check document worker