diff --git a/Makefile b/Makefile
index 176acf14..66c80573 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,8 @@ TEMP_TEST_OUTPUT=/tmp/contract-test-service.log
 
 # TEST_HARNESS_PARAMS can be set to add -skip parameters for any contract tests that cannot yet pass
 # Explanation of current skips:
-TEST_HARNESS_PARAMS=
+# We haven't added the new contract test for the behavior change in anonymous index/identify events, so only those tests are failing
+TEST_HARNESS_PARAMS=""
 
 build-contract-tests:
 	@cd contract-tests && bundle _2.2.33_ install
@@ -16,7 +17,7 @@ start-contract-test-service-bg:
 
 run-contract-tests:
 	@curl -s https://raw.githubusercontent.com/launchdarkly/sdk-test-harness/v2/downloader/run.sh \
-      | VERSION=v2 PARAMS="-url http://localhost:9000 -debug -stop-service-at-end $(TEST_HARNESS_PARAMS)" sh
+      | VERSION=v2 PARAMS="-url http://localhost:9000 -debug -stop-service-at-end -skip-from testharness-suppressions.txt" sh
 
 contract-tests: build-contract-tests start-contract-test-service-bg run-contract-tests