diff --git a/.github/workflows/samples.yml b/.github/workflows/samples.yml
index a3c265a..a0c87ac 100644
--- a/.github/workflows/samples.yml
+++ b/.github/workflows/samples.yml
@@ -20,8 +20,8 @@ jobs:
           - slack-samples/deno-request-time-off
           - slack-samples/deno-simple-survey
         # we test on both most recent stable version of deno (v1.x) as well as
-        # the version of deno used by Run on Slack (v1.31.1)
-        deno-version: [v1.x, v1.31.1]
+        # the version of deno used by Run on Slack (as noted in https://api.slack.com/slackcli/metadata.json)
+        deno-version: [v1.x, v1.45.4]
 
     steps:
       - name: Setup Deno ${{ matrix.deno-version }}