diff --git a/.github/workflows/presubmit.yml b/.github/workflows/presubmit.yml
index 6282651c..5ab0bc93 100644
--- a/.github/workflows/presubmit.yml
+++ b/.github/workflows/presubmit.yml
@@ -56,10 +56,10 @@ jobs:
         run: |
           python3 makeSpec -clean -spec core OUTDIR=out.core QUIET= -j -O api c env ext cxx4opencl
 
-#      - name: Generate core + extension specs (HTML)
-#        run: |
-#          python3 makeSpec -clean -spec khr OUTDIR=out.khr -j -O html
-#
-#      - name: Generate reference pages
-#        run: |
-#          python3 makeSpec -spec khr OUTDIR=out.refpages -j -O manhtmlpages
+      - name: Generate core + extension specs (HTML)
+        run: |
+          python3 makeSpec -clean -spec khr OUTDIR=out.khr QUIET= -j -O html
+
+      - name: Generate reference pages
+        run: |
+          python3 makeSpec -spec khr OUTDIR=out.refpages QUIET= -j -O manhtmlpages