diff --git a/.github/workflows/test_common.yml b/.github/workflows/test_common.yml
index 9089ef55..998574f6 100644
--- a/.github/workflows/test_common.yml
+++ b/.github/workflows/test_common.yml
@@ -37,7 +37,7 @@ jobs:
     name: tests
     strategy:
       matrix:
-        shard: [ 0,1,2,3,4,5,6,7 ,8,9,10,11]
+        shard: [ 0,1,2,3,4,5,6,7 ,8,9,10,11,12,13,14]
     runs-on: ubuntu-latest
     timeout-minutes: 120
     steps:
@@ -61,7 +61,7 @@ jobs:
         elif [ "${{ matrix.shard }}" == 1 ]; then
             pytest --dist=loadfile tests/relay/test_rln.py -n 1 --alluredir=allure-results-${{ matrix.shard }}
         elif [ "${{ matrix.shard }}" != 1 ]; then
-            pytest --dist=loadfile --collect-only   --ignore=tests/relay/test_rln.py --ignore=tests/store/test_cursor_many_msgs.py --reruns 2  -n=4 --shard-id=${{ matrix.shard }} --num-shards=13 --alluredir=allure-results-${{ matrix.shard }}
+            pytest --dist=loadfile   --ignore=tests/relay/test_rln.py --ignore=tests/store/test_cursor_many_msgs.py --reruns 2  -n=4 --shard-id=${{ matrix.shard }} --num-shards=15 --alluredir=allure-results-${{ matrix.shard }}
 
           fi