diff --git a/Containerfile b/Containerfile
index a10e46b..87a0e7f 100644
--- a/Containerfile
+++ b/Containerfile
@@ -5,7 +5,6 @@ RUN apk --no-cache add \
   gcc \
   protoc \
   protobuf-dev \
-  openssl-dev \
   musl-dev
 
 ENV CARGO_CARGO_NEW_VCS="none"
@@ -31,7 +30,7 @@ COPY --from=builder /passwd /etc/passwd
 
 ENV ATUIN_HOST="0.0.0.0"
 ENV ATUIN_PORT=8888
-ENV ATUIN_OPEN_REGISTRATION=true
+ENV ATUIN_OPEN_REGISTRATION=false
 ENV RUST_LOG=info,atuin_server=debug
 
 USER atuin