diff --git a/Dockerfile.phpdoc b/Dockerfile.phpdoc
index 777ca827f1..2fb04ece4a 100644
--- a/Dockerfile.phpdoc
+++ b/Dockerfile.phpdoc
@@ -1,11 +1,11 @@
-FROM phpdoc/phpdoc as doc_builder
+FROM phpdoc/phpdoc:3.4 as doc_builder
 
 COPY . /source
 
 WORKDIR /source
 
 RUN mkdir /target && \
-    phpdoc \
+    phpdoc run \
         -d 'core/classes' \
         -d 'modules/Core/classes' \
         -d 'modules/Discord Integration/classes' \