diff --git a/requirements/test.txt b/requirements/test.txt
index 61a49f53..d4153e70 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,4 +1,4 @@
-chex==0.1.7
+chex==0.1.81
 pytest==7.4.0
 pytest-cov==4.1.0
 pytest-xdist==3.3.1