diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 50133d6064..8d2ce7946b 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -8,6 +8,11 @@ on:
         required: false
         type: boolean
         default: false
+      enableTBS:
+        description: 'Enable tail-based sampling on the APM server'
+        required: false
+        type: boolean
+        default: false
       profile:
         description: 'The system profile used to run the benchmarks'
         required: false
@@ -52,6 +57,7 @@ jobs:
       TF_VAR_private_key: ./id_rsa_terraform
       TF_VAR_public_key: ./id_rsa_terraform.pub
       TF_VAR_run_standalone: ${{ inputs.runStandalone || github.event.schedule=='0 5 */5 * *' }}
+      TF_VAR_apm_server_tbs: ${{ inputs.enableTBS }}
       RUN_STANDALONE: ${{ inputs.runStandalone || github.event.schedule=='0 5 */5 * *' }}
       TFVARS_SOURCE: ${{ inputs.profile || 'system-profiles/8GBx1zone.tfvars' }} # // Default to use an 8gb profile
       TF_VAR_BUILD_ID: ${{ github.run_id }}