diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 76f3342..3acb314 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -25,7 +25,7 @@ on:
   workflow_dispatch: {}
 
 env:
-  DOC_BUILDER_IMAGE: 'ghcr.io/xmos/xmosdoc:pr-67'
+  DOC_BUILDER_IMAGE: 'ghcr.io/xmos/xmosdoc:v4.0'
 
 jobs:
   build_documentation:
@@ -59,4 +59,4 @@ jobs:
           name: fwk_io_docs_pdf
           path: ./doc/_build/latex
           if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn` 
-          retention-days: 5
\ No newline at end of file
+          retention-days: 5