diff --git a/_config.yml b/_config.yml
index 9bee813..cdc5c2b 100644
--- a/_config.yml
+++ b/_config.yml
@@ -238,6 +238,10 @@ jekyll-archives:
 
 keep_files: ["files", "cv.pdf", "releases", "A29D259B.txt", "transition-statement-2015-06-15.txt"]
 
+kramdown:
+  input: GFM
+  no_fenced_code_blocks: false
+
 gems:
   - jekyll/itafroma/archive
   - jekyll-archives
diff --git a/_posts/2015-06-07-gpg-transition-statement.markdown b/_posts/2015-06-07-gpg-transition-statement.markdown
index 0dc4594..0756cc5 100644
--- a/_posts/2015-06-07-gpg-transition-statement.markdown
+++ b/_posts/2015-06-07-gpg-transition-statement.markdown
@@ -16,7 +16,7 @@ title: GPG transition statement
 
 This exact same text can be found at [this location](https://www.dennogumi.org/transition-statement-2015-06-15.txt).
 
-{% highlight %}
+````
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA512
 
@@ -102,4 +102,4 @@ tILBnEGzJjgiOnXHzHcld7+MG1Kut9EmFNTNNgDasLw7HenGTHt9G/rJq5mSwPZY
 JJF3TtQUDXrgOoXUlD0=
 =4Yho
 -----END PGP SIGNATURE-----
-{% endhighlight %}
\ No newline at end of file
+````
\ No newline at end of file