diff --git a/Containerfile b/Containerfile
index eabbb01..858f4f1 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,11 +1,11 @@
-FROM docker.io/thallian/confd-env:3.20-3.1.6.2
+FROM docker.io/thallian/confd-env:3.19-3.1.6.2
 
 RUN addgroup minecraft -g 2222
 RUN adduser -u 2222 -h /var/lib/minecraft -D -G minecraft minecraft
 
-ENV VERSION=1.20.6
-ENV SERIAL=130
-ENV SHA256_SUM=803bd42701210e86b8cc9e384b414d85246615747d3ebff513fc02f76860154f
+ENV VERSION=1.20.4
+ENV SERIAL=462
+ENV SHA256_SUM=70ee8740b9670bfa8a51313bbb99d7527b04526e51baa37fdb1c1ac3e90d8be7
 RUN wget -O /var/lib/minecraft/paper.jar \
   https://papermc.io/api/v2/projects/paper/versions/$VERSION/builds/$SERIAL/downloads/paper-$VERSION-$SERIAL.jar