diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 280c3f05cb98a726a781df8ca1f099dc648e8a31..cb54c0db82c7294d3f0e6e3ac405ec23d391c2a5 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -108,10 +108,11 @@ class PythonLanguage(object):
 _CONFIGS = {
     'dbg': SimpleConfig('dbg'),
     'opt': SimpleConfig('opt'),
-    'tsan': SimpleConfig('tsan'),
+    'tsan': SimpleConfig('tsan', environ={
+        'TSAN_OPTIONS': 'suppressions=tools/tsan_suppressions.txt'}),
     'msan': SimpleConfig('msan'),
     'asan': SimpleConfig('asan', environ={
-        'ASAN_OPTIONS': 'detect_leaks=1:color=always'}),
+        'ASAN_OPTIONS': 'detect_leaks=1:color=always:suppressions=tools/tsan_suppressions.txt'}),
     'gcov': SimpleConfig('gcov'),
     'memcheck': ValgrindConfig('valgrind', 'memcheck'),
     'helgrind': ValgrindConfig('dbg', 'helgrind')
diff --git a/tools/tsan_suppressions.txt b/tools/tsan_suppressions.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23d57f9fd1fade02f5d1d534d5806c543b13e276
--- /dev/null
+++ b/tools/tsan_suppressions.txt
@@ -0,0 +1,2 @@
+# OPENSSL_cleanse does racy access to a global
+race:OPENSSL_cleanse