diff --git a/tox.ini b/tox.ini
index fe28b91be..248f5fdd1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -66,6 +66,7 @@ filterwarnings =
     ignore:.*Value with data type .* is being converted:hdmf.build.warnings.DtypeConversionWarning
     ignore:.*find_spec\(\) not found:ImportWarning
     ignore:'cgi' is deprecated:DeprecationWarning:botocore
+    ignore:.*unclosed.*:ResourceWarning:vcr
 
 [coverage:run]
 parallel = True