diff --git a/deploy/migrate.yaml b/deploy/migrate.yaml
index ea78500..39f6c77 100644
--- a/deploy/migrate.yaml
+++ b/deploy/migrate.yaml
@@ -16,7 +16,7 @@
     args:
       - $PROJECT_ID
   - id: Migrate
-    name: golang:1.18.0
+    name: golang:1.19beta1
     entrypoint: bash
     dir: private
     args:
diff --git a/deploy/sitemap.yaml b/deploy/sitemap.yaml
index d7acaf5..5966955 100644
--- a/deploy/sitemap.yaml
+++ b/deploy/sitemap.yaml
@@ -9,7 +9,7 @@
     args:
       - $PROJECT_ID
   - id: Build
-    name: golang:1.18.0
+    name: golang:1.19beta1
     entrypoint: bash
     dir: private
     args: