diff --git a/.github/workflows/manual-vuln-check.yaml b/.github/workflows/manual-vuln-check.yaml
index 14b6054359..0010dc503c 100644
--- a/.github/workflows/manual-vuln-check.yaml
+++ b/.github/workflows/manual-vuln-check.yaml
@@ -10,5 +10,3 @@ jobs:
     uses: ./.github/workflows/vuln-check.yaml
     with:
       target-ref: ${{ github.ref_name }}
-    secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
diff --git a/.github/workflows/scheduled-vuln-check.yaml b/.github/workflows/scheduled-vuln-check.yaml
index 97d6577578..93557a2c5f 100644
--- a/.github/workflows/scheduled-vuln-check.yaml
+++ b/.github/workflows/scheduled-vuln-check.yaml
@@ -13,7 +13,6 @@ jobs:
     with:
       target-ref: master
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
   call-vuln-check-for-v3_4:
@@ -21,7 +20,6 @@ jobs:
     with:
       target-ref: v3.4.9
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
   call-vuln-check-for-v3_5:
@@ -29,7 +27,6 @@ jobs:
     with:
       target-ref: v3.5.7
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
   call-vuln-check-for-v3_6:
@@ -37,7 +34,6 @@ jobs:
     with:
       target-ref: v3.6.4
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
   call-vuln-check-for-v3_7:
@@ -45,7 +41,6 @@ jobs:
     with:
       target-ref: v3.7.3
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
 
   call-vuln-check-for-v3_8:
@@ -53,5 +48,4 @@ jobs:
     with:
       target-ref: v3.8.0
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}
diff --git a/.github/workflows/vuln-check.yaml b/.github/workflows/vuln-check.yaml
index ff43cbcf14..70e3cb42e9 100644
--- a/.github/workflows/vuln-check.yaml
+++ b/.github/workflows/vuln-check.yaml
@@ -14,8 +14,6 @@ on:
         type: boolean
         default: false
     secrets:
-      CR_PAT:
-        required: true
       SLACK_SECURITY_WEBHOOK_URL:
         required: false
 
@@ -28,5 +26,4 @@ jobs:
       images: '[["ScalarDB Schema Loader", "scalardb-schema-loader"], ["ScalarDB Data Loader CLI", "scalardb-data-loader-cli"]]'
       version-command: "./gradlew :core:properties -q | grep version: | awk '{print $2}'"
     secrets:
-      CR_PAT: ${{ secrets.CR_PAT }}
       SLACK_SECURITY_WEBHOOK_URL: ${{ secrets.SLACK_SECURITY_WEBHOOK_URL }}