diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6a5af6d6..16ab01cb7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -263,7 +263,7 @@ jobs:
         run: ccache -s || true
 
       - name: Test system tests
-        timeout-minutes: 15
+        timeout-minutes: 20
         # tests/st/codegen is device-free and runs in the separate CPU
         # codegen-tests job (--codegen-only). On-board execution tests
         # (incl. the paged-attention pipelines) live under tests/st/runtime.
@@ -271,7 +271,7 @@ jobs:
         # runs here despite the tests/st/codegen ignore: its numeric golden
         # compare is unstable on the CPU container's torch/BLAS build (see the
         # codegen-tests job), so it needs this environment.
-        run: pytest tests/st tests/st/codegen/torch/test_torch_codegen_paged_attention.py -v --device="$DEVICE_RANGE" --precompile-workers=128 --pto-isa-commit=${{ needs.toolchain.outputs.pto_isa_commit }} --ignore=tests/st/distributed --ignore=tests/st/codegen
+        run: pytest tests/st tests/st/codegen/torch/test_torch_codegen_paged_attention.py -v --device="$DEVICE_RANGE" --precompile-workers=64 --pto-isa-commit=${{ needs.toolchain.outputs.pto_isa_commit }} --ignore=tests/st/distributed --ignore=tests/st/codegen
 
       - name: Test multi-orch L2 (isolated pytest invocation)
         # A ``Worker(level=2)`` device session currently leaves runtime