diff --git a/changelogs/unreleased/4996-dependabot.yml b/changelogs/unreleased/4996-dependabot.yml
new file mode 100644
index 0000000000..4934a438d6
--- /dev/null
+++ b/changelogs/unreleased/4996-dependabot.yml
@@ -0,0 +1,6 @@
+change-type: patch
+description: Bump inmanta-dev-dependencies[async,core,pytest,sphinx] from 2.39.0 to
+    2.40.0
+destination-branches:
+- master
+sections: {}
diff --git a/requirements.dev.txt b/requirements.dev.txt
index 3833a356ca..ee950d0808 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,4 +1,4 @@
-inmanta-dev-dependencies[pytest,async,core,sphinx]==2.39.0
+inmanta-dev-dependencies[pytest,async,core,sphinx]==2.40.0
 bumpversion==0.6.0
 openapi_spec_validator==0.5.1
 pip2pi==0.8.2