diff --git a/glean-core/python/requirements_dev.txt b/glean-core/python/requirements_dev.txt
index 0855babbdd..7990bb7948 100644
--- a/glean-core/python/requirements_dev.txt
+++ b/glean-core/python/requirements_dev.txt
@@ -1,6 +1,6 @@
 coverage[toml]==7.2.2
 jsonschema==3.2.0
-mypy==2.3.1; python_version >= "3.10"
+mypy==2.4.0; python_version >= "3.10"
 pdoc3==0.11.6
 pip
 pytest-localserver==0.10.0