diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5bd835..9768139 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-runtest@latest
         env:
-          JULIA_NUM_THREADS: 4
+          JULIA_NUM_THREADS: 2
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v3
         with:
@@ -70,4 +70,4 @@ jobs:
       - uses: julia-actions/julia-runtest@latest
         continue-on-error: true
         env:
-          JULIA_NUM_THREADS: 4
\ No newline at end of file
+          JULIA_NUM_THREADS: 2
\ No newline at end of file