diff --git a/.github/workflows/IntegrationTest.yml b/.github/workflows/IntegrationTest.yml
index aa9c032acf..bd7e9eeb3b 100644
--- a/.github/workflows/IntegrationTest.yml
+++ b/.github/workflows/IntegrationTest.yml
@@ -24,6 +24,8 @@ on:
         branches-ignore:
             - release
 
+env:
+    JULIA_PLUTO_IGNORE_CDN_BUNDLE_WARNING: true
 
 jobs:
     test:
diff --git a/src/notebook/Export.jl b/src/notebook/Export.jl
index d49261a5ce..fa9cd5d02d 100644
--- a/src/notebook/Export.jl
+++ b/src/notebook/Export.jl
@@ -36,7 +36,7 @@ function cdnified_html(filename::AbstractString;
                     URIs.resolvereference(cdn_root, url) |> string
                 end
             catch e
-                @warn "Could not use bundled CDN version of $(filename). You should only see this message if you are using a fork of Pluto." exception=(e,catch_backtrace()) maxlog=1
+                get(ENV, "JULIA_PLUTO_IGNORE_CDN_BUNDLE_WARNING", "false") == "true" || @warn "Could not use bundled CDN version of $(filename). You should only see this message if you are using a fork of Pluto." exception=(e,catch_backtrace()) maxlog=1
                 nothing
             end
         end,