diff --git a/next_steps/operations/filter_rotator/tests/requirements.txt b/next_steps/operations/filter_rotator/tests/requirements.txt
index a727237..08ade9e 100644
--- a/next_steps/operations/filter_rotator/tests/requirements.txt
+++ b/next_steps/operations/filter_rotator/tests/requirements.txt
@@ -3,4 +3,4 @@ six
 regex
 pytest
 pytest-mock
-simpleeval==0.9.11
\ No newline at end of file
+simpleeval==1.0.5
\ No newline at end of file