diff --git a/Dockerfile b/Dockerfile
index e8f721b..df01e5c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,6 @@ FROM node:22.1.0
 ENV PATH=${PATH}:/root/.local/bin
 
 RUN apt update && \
-    apt install -y python3 python3-pip ruby git pipx && \
+    apt install -y python3 python3-pip ruby ruby-dev git pipx && \
     rm -rf /var/lib/apt/lists/* && \
     pipx install pre-commit