diff --git a/Dockerfile.universal b/Dockerfile.universal
index 352b3745a6..c9f71c603a 100644
--- a/Dockerfile.universal
+++ b/Dockerfile.universal
@@ -39,6 +39,9 @@ ARG PNPM_VERSION=9.15.9
 RUN set -eux; \
     apt-get update; \
     apt-get install -y --no-install-recommends \
+        # Tarball fetcher for the toolchain install steps below (Go,
+        # golangci-lint, rustup, yq). Not provided by the vanilla base image.
+        curl \
         # Native compile (CGO, pip wheels with C extensions, native npm modules)
         build-essential \
         pkg-config \