diff --git a/.github/workflows/charts-test.yaml b/.github/workflows/charts-test.yaml
index c5da7ab90ac..0acd8619c49 100644
--- a/.github/workflows/charts-test.yaml
+++ b/.github/workflows/charts-test.yaml
@@ -18,6 +18,8 @@ jobs:
   generate-install-matrix:
     name: Generate matrix for install
     runs-on: ubuntu-latest
+    container:
+      image: tccr.io/truecharts/devcontainer:v3.1.38@sha256:2fd9355bc6791461430db87a04f5fe7b49c46bc5957bc348f1efbff4c6c7913d
     outputs:
       matrix1: |
         {