diff --git a/requirements-devel.txt b/requirements-devel.txt
index 9caa7fa0f..ec3893ed3 100644
--- a/requirements-devel.txt
+++ b/requirements-devel.txt
@@ -30,7 +30,7 @@ yamllint == 1.28.0 ; python_version >= '3.9'
 rstfmt == 0.0.14 ; python_version >= '3.9'
 jsonschema == 4.6.0 ; python_version >= '3.9'
 ruamel.yaml == 0.17.21 ; python_version >= '3.9'
-deepdiff == 5.8.1 ; python_version >= '3.9'
+deepdiff == 8.6.1 ; python_version >= '3.9'
 mdformat == 0.7.16 ; python_version >= '3.9'
 mdformat-gfm == 0.3.5 ; python_version >= '3.9'
 mdformat-frontmatter == 2.0.1 ; python_version >= '3.9'