diff --git a/.github/actions/build-docs/Dockerfile b/.github/actions/build-docs/Dockerfile
index c754ec3f6..395c367e6 100644
--- a/.github/actions/build-docs/Dockerfile
+++ b/.github/actions/build-docs/Dockerfile
@@ -1,5 +1,5 @@
 # https://hub.docker.com/r/phpdoc/phpdoc
-FROM phpdoc/phpdoc:latest
+FROM phpdoc/phpdoc:3.0
 
 LABEL "repository"="https://github.com/chillerlan/php-qrcode"