diff --git a/.github/workflows/PMM_PS.yaml b/.github/workflows/PMM_PS.yaml
index baf5557..3c7525d 100644
--- a/.github/workflows/PMM_PS.yaml
+++ b/.github/workflows/PMM_PS.yaml
@@ -7,7 +7,7 @@ on:
         required: true
       ps_glibc:
         description: "ps glibc version, example: 2.28"
-        required: true
+        required: false
       pmm_image:
         description: "pmm_image, example: perconalab/pmm-server:dev-latest"
         required: false