diff --git a/requirements/_tests.txt b/requirements/_tests.txt
index 0dccca202fe..121827a92ba 100644
--- a/requirements/_tests.txt
+++ b/requirements/_tests.txt
@@ -12,7 +12,7 @@ phmdoctest ==1.4.0
 
 psutil <5.10.0
 pyGithub ==2.2.0
-fire <=0.5.0
+fire <=0.6.0
 
 cloudpickle >1.3, <=3.0.0
 scikit-learn >=1.1.1, <1.4.0