diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index bd802e83bc69..f3932137dedb 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -62,7 +62,7 @@ jobs:
           key: perf-states-${{ hashFiles('packages/state-transition/test/perf/params.ts') }}
 
       - name: Run benchmarks
-        run: yarn benchmark
+        run: NODE_OPTIONS='--max-old-space-size=4096' yarn benchmark
         env:
           # To download content for tests
           INFURA_ETH2_CREDENTIALS: ${{ secrets.INFURA_ETH2_CREDENTIALS }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d3355d36fb86..519b28a857f3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -180,7 +180,7 @@ jobs:
           key: spec-test-data-${{ hashFiles('packages/validator/test/spec/params.ts') }}
 
       - name: Unit tests
-        run: yarn test:unit
+        run: NODE_OPTIONS='--max-old-space-size=4096' yarn test:unit
       - name: Upload coverage data
         run: yarn coverage