diff --git a/.github/workflows/instrumentations_0.yml b/.github/workflows/instrumentations_0.yml
index 382284d20..7722c6f99 100644
--- a/.github/workflows/instrumentations_0.yml
+++ b/.github/workflows/instrumentations_0.yml
@@ -6,7 +6,7 @@ on:
     - 'release/*'
   pull_request:
 env:
-  CORE_REPO_SHA: main
+  CORE_REPO_SHA: 7b1d318f84604bf46112c744b6f781ddb9e27b75
 
 jobs:
   instrumentations-0:
diff --git a/.github/workflows/instrumentations_1.yml b/.github/workflows/instrumentations_1.yml
index f3e63116f..b65c9232d 100644
--- a/.github/workflows/instrumentations_1.yml
+++ b/.github/workflows/instrumentations_1.yml
@@ -6,7 +6,7 @@ on:
     - 'release/*'
   pull_request:
 env:
-  CORE_REPO_SHA: main
+  CORE_REPO_SHA: 7b1d318f84604bf46112c744b6f781ddb9e27b75
 
 jobs:
   instrumentations-1:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b9f7a41c1..dbdd5bb9a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,7 +6,7 @@ on:
     - 'release/*'
   pull_request:
 env:
-  CORE_REPO_SHA: main
+  CORE_REPO_SHA: 7b1d318f84604bf46112c744b6f781ddb9e27b75
 
 jobs:
   lint-3_12:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2714942c2..8e9da480c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ on:
     - 'release/*'
   pull_request:
 env:
-  CORE_REPO_SHA: main
+  CORE_REPO_SHA: 7b1d318f84604bf46112c744b6f781ddb9e27b75
 
 jobs:
   misc: