diff --git a/bun.lockb b/bun.lockb
index 6c4b4c7..db2ce1b 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/docs/2022-06-08-dockerfile-go.html b/docs/2022-06-08-dockerfile-go.html
index f91baed..90f4263 100644
--- a/docs/2022-06-08-dockerfile-go.html
+++ b/docs/2022-06-08-dockerfile-go.html
@@ -58,10 +58,10 @@
     </p>
     <p>So I decide to have a baseline Dockerfile like this:</p>
     <div class="highlight highlight-source-dockerfile">
-      <pre><span class="pl-k">FROM</span> golang:1.19-bullseye as builder
+      <pre><span class="pl-k">FROM</span> golang:1.20-bullseye as builder
 
-<span class="pl-k">RUN</span> go install golang.org/dl/go1.19@latest \
-    &amp;&amp; go1.19 download
+<span class="pl-k">RUN</span> go install golang.org/dl/go1.20@latest \
+    &amp;&amp; go1.20 download
 
 <span class="pl-k">WORKDIR</span> /build
 
@@ -105,15 +105,15 @@
       Debian version.
     </p>
     <div class="highlight highlight-source-dockerfile">
-      <pre><span class="pl-k">FROM</span> golang:1.19-bullseye as builder</pre>
+      <pre><span class="pl-k">FROM</span> golang:1.20-bullseye as builder</pre>
     </div>
     <p>
       This is Go image I use as a build stage. This can be official Go image or
       custom image is required in some companies.
     </p>
     <div class="highlight highlight-source-dockerfile">
-      <pre><span class="pl-k">RUN</span> go install golang.org/dl/go1.19@latest \
-    &amp;&amp; go1.19 download</pre>
+      <pre><span class="pl-k">RUN</span> go install golang.org/dl/go1.20@latest \
+    &amp;&amp; go1.20 download</pre>
     </div>
     <p>
       This is optional. In my case, my company is slow to update Go image so I
diff --git a/posts/2022-06-08-dockerfile-go.md b/posts/2022-06-08-dockerfile-go.md
index b8fe99e..378e9ee 100644
--- a/posts/2022-06-08-dockerfile-go.md
+++ b/posts/2022-06-08-dockerfile-go.md
@@ -6,10 +6,10 @@ Like set up `.gitignore`, CI configs, Dockerfile, ...
 So I decide to have a baseline Dockerfile like this:
 
 ```Dockerfile
-FROM golang:1.19-bullseye as builder
+FROM golang:1.20-bullseye as builder
 
-RUN go install golang.org/dl/go1.19@latest \
-    && go1.19 download
+RUN go install golang.org/dl/go1.20@latest \
+    && go1.20 download
 
 WORKDIR /build
 
@@ -39,15 +39,15 @@ So I stick with it for a while.
 Also, remember to match Distroless Debian version with Go official image Debian version.
 
 ```Dockerfile
-FROM golang:1.19-bullseye as builder
+FROM golang:1.20-bullseye as builder
 ```
 
 This is Go image I use as a build stage.
 This can be official Go image or custom image is required in some companies.
 
 ```Dockerfile
-RUN go install golang.org/dl/go1.19@latest \
-    && go1.19 download
+RUN go install golang.org/dl/go1.20@latest \
+    && go1.20 download
 ```
 
 This is optional.