diff --git a/.forgejo/workflows/push-next.yml b/.forgejo/workflows/push-next.yml
index 2071fcb..9a97e4e 100644
--- a/.forgejo/workflows/push-next.yml
+++ b/.forgejo/workflows/push-next.yml
@@ -51,3 +51,8 @@ jobs:
         with:
           args: ${{ matrix.toolchain.name }} cargo hack --feature-powerset test
 
+      - name: Mutations
+        uses: https://git.kemitix.net/kemitix/rust@v2.4.1
+        with:
+          args: ${{ matrix.toolchain.name }} cargo mutants -vV --in-place
+