diff --git a/container-stack/rokur/Containerfile b/container-stack/rokur/Containerfile
index 5ec5979..858315a 100644
--- a/container-stack/rokur/Containerfile
+++ b/container-stack/rokur/Containerfile
@@ -10,9 +10,16 @@ FROM cgr.dev/chainguard/wolfi-base:latest AS build
 RUN apk add --no-cache curl unzip
 
 # Install Deno (pinned version for reproducibility).
+# Using direct binary download from GitHub releases — the previous
+# `deno.land/install-manual@vX.Y.Z.sh` URL doesn't return a parseable
+# install script (sh hits "syntax error: unexpected redirection" when
+# piping its content).
 ARG DENO_VERSION=2.2.8
-RUN curl -fsSL https://deno.land/install-manual@v${DENO_VERSION}.sh | sh \
-    && mv /root/.deno/bin/deno /usr/local/bin/deno
+RUN curl -fsSL "https://github.com/denoland/deno/releases/download/v${DENO_VERSION}/deno-x86_64-unknown-linux-gnu.zip" \
+        -o /tmp/deno.zip \
+    && unzip /tmp/deno.zip -d /usr/local/bin \
+    && rm /tmp/deno.zip \
+    && chmod +x /usr/local/bin/deno
 
 # Pre-cache dependencies by copying deno.json first.
 WORKDIR /build