diff --git a/tests/requirements.txt b/tests/requirements.txt
index 84f4d17..6a2c130 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -9,7 +9,7 @@
 pytest
 jinja2
 jinja2-time
-splunk-sdk=1.6.11
+splunk-sdk==1.6.11
 flake8
 pytz
 flaky