diff --git a/.github/workflows/interop-python.yml b/.github/workflows/interop-python.yml
index 79b3f7cca..ac1bafe73 100644
--- a/.github/workflows/interop-python.yml
+++ b/.github/workflows/interop-python.yml
@@ -108,7 +108,7 @@ jobs:
             advisory: true
           - language: typescript
             repository: adcontextprotocol/adcp-client
-            ref: 97aef9f9561983b21605e77c3377bbdc0641b61c # @adcp/sdk@8.1.0-beta.12
+            ref: df7b5837896154002bb5a4941b4b07c828521001 # @adcp/sdk@8.1.0-beta.17
             harness: scripts/ci/run_storyboard_reference_seller.sh
             port: 3002
             advisory: true
@@ -277,7 +277,7 @@ jobs:
             echo "- Ref: current checkout \`${{ github.sha }}\`"
             echo "- Seller: \`examples/hello_seller_adapter_guaranteed.ts\`"
             echo "- Harness: \`scripts/ci/run_storyboard_reference_seller.sh\`"
-            echo "- Note: tagged TypeScript release compatibility is covered by the matrix row pinned to @adcp/sdk@8.1.0-beta.12."
+            echo "- Note: tagged TypeScript release compatibility is covered by the matrix row pinned to @adcp/sdk@8.1.0-beta.17."
           } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload storyboard artifacts