diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000000..d62e48a9fb
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,2 @@
+# Used for *.md formatting in devtools/format_md.sh
+target/
diff --git a/devtools/format_md.sh b/devtools/format_md.sh
index 3beb42ea28..24ae3dbbe3 100755
--- a/devtools/format_md.sh
+++ b/devtools/format_md.sh
@@ -2,4 +2,4 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck > /dev/null && shellcheck "$0"
 
-npx prettier@2.0.2 --write --prose-wrap always "./**/*.md"
+npx prettier@2.0.5 --write --prose-wrap always "./**/*.md"