diff --git a/doc/changelog.d/3215.dependencies.md b/doc/changelog.d/3215.dependencies.md
new file mode 100644
index 0000000000..ee0f4f3cf0
--- /dev/null
+++ b/doc/changelog.d/3215.dependencies.md
@@ -0,0 +1 @@
+build: bump autopep8 from 2.3.0 to 2.3.1 in the testing group
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index b0934f4f4a..f5cff755ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ jupyter = [
 
 tests = [
     "ansys-dpf-core==0.10.1",
-    "autopep8==2.3.0",
+    "autopep8==2.3.1",
     "matplotlib==3.9.0",
     "scipy==1.14.0",
     "pandas==2.2.2",