diff --git a/.github/workflows/pre_production_tests.yml b/.github/workflows/pre_production_tests.yml
index 505f062..5382cf6 100644
--- a/.github/workflows/pre_production_tests.yml
+++ b/.github/workflows/pre_production_tests.yml
@@ -12,6 +12,11 @@ on:
         description: "The maximum number of SQL test cases to run"
         required: false
         default: 500
+      seed:
+        type: string
+        description: "Random seed for reproducible sampling (float in [-1.0, 1.0]). Leave blank to auto-generate."
+        required: false
+        default: ''
 
 jobs:
   run-pre-production-tests:
@@ -20,6 +25,7 @@ jobs:
     with:
       eval_function: ${{ inputs.eval_function }}
       sql_limit: ${{ inputs.sql_limit }}
+      seed: ${{ inputs.seed }}
     secrets:
       TEST_API_ENDPOINT: ${{ secrets.TEST_API_ENDPOINT }}
       DB_USER: ${{ secrets.DB_USER }}
diff --git a/.github/workflows/production-deploy.yml b/.github/workflows/production-deploy.yml
index 25ef6d0..dcd8d83 100644
--- a/.github/workflows/production-deploy.yml
+++ b/.github/workflows/production-deploy.yml
@@ -17,6 +17,11 @@ on:
         required: true
         type: string
         default: 'main'
+      seed:
+        description: 'Random seed for reproducible sampling (float in [-1.0, 1.0]). Leave blank to auto-generate.'
+        required: false
+        type: string
+        default: ''
 jobs:
   deploy:
     uses: lambda-feedback/evaluation-function-workflows/.github/workflows/deploy.yml@deploy-request
@@ -28,6 +33,7 @@ jobs:
       version-bump: ${{ inputs.version-bump }}
       branch: ${{ inputs.branch }}
       run-database-tests: true
+      seed: ${{ inputs.seed }}
 
     secrets:
       aws-key-id: ${{ secrets.LAMBDA_CONTAINER_PIPELINE_AWS_ID }}