diff --git a/.github/workflows/lez-compat.yml b/.github/workflows/lez-compat.yml
index 674dcde..60ff042 100644
--- a/.github/workflows/lez-compat.yml
+++ b/.github/workflows/lez-compat.yml
@@ -114,7 +114,7 @@ jobs:
 
       - name: Install logos-blockchain-circuits
         run: |
-          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/main/scripts/setup-logos-blockchain-circuits.sh | bash
+          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/1da154c74b911318fb853d37261f8a05ffe513b4/scripts/setup-logos-blockchain-circuits.sh | bash
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5d3e503..9cfec95 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Install logos-blockchain-circuits
         run: |
-          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/main/scripts/setup-logos-blockchain-circuits.sh | bash
+          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/1da154c74b911318fb853d37261f8a05ffe513b4/scripts/setup-logos-blockchain-circuits.sh | bash
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
diff --git a/.github/workflows/weekly-rc.yml b/.github/workflows/weekly-rc.yml
index 320e382..e5f93ed 100644
--- a/.github/workflows/weekly-rc.yml
+++ b/.github/workflows/weekly-rc.yml
@@ -82,7 +82,7 @@ jobs:
       - name: Install logos-blockchain-circuits
         if: steps.check.outputs.has_changes == 'true'
         run: |
-          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/main/scripts/setup-logos-blockchain-circuits.sh | bash
+          curl -sSL https://raw.githubusercontent.com/logos-blockchain/logos-blockchain/1da154c74b911318fb853d37261f8a05ffe513b4/scripts/setup-logos-blockchain-circuits.sh | bash
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}