diff --git a/.github/workflows/run-tests-cloud.yml b/.github/workflows/run-tests-cloud.yml
index 7d273afe1d..d7db86e48c 100644
--- a/.github/workflows/run-tests-cloud.yml
+++ b/.github/workflows/run-tests-cloud.yml
@@ -18,6 +18,7 @@ jobs:
         shell: bash
     strategy:
       fail-fast: true
+      max-parallel: 1
       matrix:
         go:
           - "1.22"
diff --git a/.github/workflows/run-tests-head.yml b/.github/workflows/run-tests-head.yml
index 20530c498e..8d9ed69ab3 100644
--- a/.github/workflows/run-tests-head.yml
+++ b/.github/workflows/run-tests-head.yml
@@ -15,6 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
+      max-parallel: 1
       matrix:
         go:
           - "1.20"
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index a35e324bbe..2a80bc0276 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -15,6 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
+      max-parallel: 4
       matrix:
         go:
           - "1.22"