diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index fe7f213..4af0758 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -43,7 +43,7 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 1
+      max-parallel: 3
       matrix:
         version: [
           '2.7.7',
@@ -188,7 +188,7 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 1
+      max-parallel: 3
       matrix:
         version: [
           '2.7.7',
@@ -333,7 +333,7 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 1
+      max-parallel: 3
       matrix:
         version: [
           '9.3.9.0',