diff --git a/Dockerfile.plucky b/Dockerfile.plucky
index 143c725..83769e1 100644
--- a/Dockerfile.plucky
+++ b/Dockerfile.plucky
@@ -3,5 +3,5 @@ FROM ubuntu:plucky
 RUN apt update -y
 RUN apt install -y cmake build-essential g++ libmbedtls-dev make wget curl
 RUN curl https://git.tesseslanguage.com/api/packages/tesses50/debian/repository.key -o /etc/apt/keyrings/gitea-tesses50.asc
-RUN echo "deb [signed-by=/etc/apt/keyrings/gitea-tesses50.asc] https://git.tesseslanguage.com/api/packages/tesses50/debian jammy main" | tee -a /etc/apt/sources.list.d/gitea.list
+RUN echo "deb [signed-by=/etc/apt/keyrings/gitea-tesses50.asc] https://git.tesseslanguage.com/api/packages/tesses50/debian plucky main" | tee -a /etc/apt/sources.list.d/gitea.list
 RUN apt update -y