diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7fbddd8..0f8526d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
       # https://github.com/denolib/setup-deno
       - uses: denolib/setup-deno@master
         with:
-          deno-version: 1.26.1
+          deno-version: 1.38.2
       - name: check
         run: ./rad check
 
diff --git a/.github/workflows/next.yml b/.github/workflows/next.yml
index 8efec62..12f1377 100644
--- a/.github/workflows/next.yml
+++ b/.github/workflows/next.yml
@@ -19,7 +19,7 @@ jobs:
       # https://github.com/denolib/setup-deno
       - uses: denolib/setup-deno@master
         with:
-          deno-version: 1.26.1
+          deno-version: 1.38.2
       - name: check
         run: ./rad check
       - name: site
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 3a7eaa0..8c6a252 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -13,6 +13,6 @@ jobs:
       # https://github.com/denolib/setup-deno
       - uses: denolib/setup-deno@master
         with:
-          deno-version: 1.26.1
+          deno-version: 1.38.2
       - name: check
         run: ./rad check
diff --git a/Dockerfile b/Dockerfile
index 65143a9..1e55c03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # usage: docker run --rm -v $PWD:/rad rad TASK
 # build: docker build --progress=plain -t rad -t cdaringe/rad -t cdaringe/rad:6-latest -t cdaringe/rad:latest .
-FROM denoland/deno:alpine-1.26.1
+FROM denoland/deno:alpine-1.38.2
 RUN mkdir /radinstall
 ENV RAD="deno run --unstable -A  /radinstall/src/bin.ts --log-level info"
 WORKDIR /radinstall