diff --git a/.github/workflows/build_package_sources.yml b/.github/workflows/build_package_sources.yml
index 6d2d7f84ccc..caccffabb3e 100644
--- a/.github/workflows/build_package_sources.yml
+++ b/.github/workflows/build_package_sources.yml
@@ -353,6 +353,86 @@ jobs:
           cat tpls_commits.lock
           wc -l tpls_commits.lock || true
 
+      - name: Download CUDA-Q prerequisite sources
+        run: |
+          set -euo pipefail
+          # Generate cudaq_prereqs.lock for the current configuration
+          bash scripts/install_prerequisites.sh -l
+          cat cudaq_prereqs.lock
+
+          mkdir -p prereqs
+          while IFS= read -r line; do
+            # Skip comments and empty lines
+            [ -z "$line" ] && continue
+            case "$line" in
+              \#*) continue ;;
+            esac
+
+            name=""
+            type=""
+            url=""
+            ref=""
+
+            for kv in $line; do
+              key="${kv%%=*}"
+              val="${kv#*=}"
+              case "$key" in
+                name) name="$val" ;;
+                type) type="$val" ;;
+                url)  url="$val" ;;
+                ref)  ref="$val" ;;
+              esac
+            done
+
+            if [ -z "$name" ] || [ -z "$type" ]; then
+              echo "Skipping malformed lock entry: $line"
+              continue
+            fi
+
+            # Ensure a dedicated subdirectory for each prerequisite
+            mkdir -p "prereqs/${name}"
+
+            case "$type" in
+              tar)
+                fname="$(basename "$url")"
+                dest="prereqs/${name}/${fname}"
+                echo "Downloading tar archive for $name from $url -> $dest"
+                curl -L "$url" -o "$dest"
+                ;;
+              sh)
+                fname="$(basename "$url")"
+                dest="prereqs/${name}/${fname}"
+                echo "Downloading shell installer for $name from $url -> $dest"
+                curl -L "$url" -o "$dest"
+                chmod +x "$dest"
+                ;;
+              pem)
+                dest="prereqs/${name}/${name}.pem"
+                echo "Downloading PEM bundle for $name from $url -> $dest"
+                curl -L "$url" -o "$dest"
+                ;;
+              git)
+                dest_dir="prereqs/${name}"
+                echo "Cloning git repo for $name from $url (ref=${ref:-HEAD}) -> $dest_dir"
+                git clone "$url" "$dest_dir"
+                if [ -n "${ref:-}" ]; then
+                  git -C "$dest_dir" checkout "$ref"
+                fi
+                ;;
+              script)
+                # No direct URL; record the script/target so downstream tooling
+                # can resolve the concrete sources if desired.
+                echo "$line" > "prereqs/${name}/lockentry"
+                ;;
+              *)
+                echo "Unknown type '$type' in lock entry: $line"
+                ;;
+            esac
+          done < cudaq_prereqs.lock
+
+          echo "Contents of prereqs/ (directories only):"
+          find prereqs -type d | sort
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
diff --git a/docker/build/package_sources.Dockerfile b/docker/build/package_sources.Dockerfile
index 2fc333fc52c..f2531386b48 100644
--- a/docker/build/package_sources.Dockerfile
+++ b/docker/build/package_sources.Dockerfile
@@ -80,12 +80,13 @@ RUN mkdir -p "${SOURCES_ROOT}/NOTICES" \
 
 ENV SCRIPTS_DIR=${SOURCES_ROOT}/.scripts
 
-# Copy .gitmodules, tpls lock file, clone script, package lists, and pip sdist fetcher
+# Copy .gitmodules, tpls lock file, clone script, package lists, pip sdist fetcher, and prereq sources
 COPY .gitmodules "${SCRIPTS_DIR}"/.gitmodules
 COPY tpls_commits.lock "${SCRIPTS_DIR}"/tpls_commits.lock
 COPY scripts/clone_tpls_from_lock.sh "${SCRIPTS_DIR}"/clone_tpls_from_lock.sh
 COPY package-source-diff/apt_packages_cudaq.txt package-source-diff/apt_packages_cudaqx.txt package-source-diff/apt_packages_cudaqx_trimmed.txt "${SCRIPTS_DIR}"/
 COPY package-source-diff/pip_packages_cudaq.txt package-source-diff/pip_packages_cudaqx.txt package-source-diff/pip_packages_cudaqx_trimmed.txt package-source-diff/pip_packages_macos.txt package-source-diff/pip_packages_macos_trimmed.txt "${SCRIPTS_DIR}"/
+COPY prereqs/ "${SOURCES_ROOT}/prereqs/"
 
 # Copy attribution into NOTICES folder (NOTICE_PIP_* and NOTICE_APT_* generated per variant with CUDA version, e.g. NOTICE_PIP_cudaq_cu12)
 COPY NOTICE LICENSE "${SOURCES_ROOT}/NOTICES/"
diff --git a/scripts/install_prerequisites.sh b/scripts/install_prerequisites.sh
index 02f8f0644c2..da627de417c 100755
--- a/scripts/install_prerequisites.sh
+++ b/scripts/install_prerequisites.sh
@@ -71,6 +71,18 @@ CACERT_SHA256_URL="${CACERT_URL}.sha256"
 AWS_SDK_CPP_URL="https://github.com/aws/aws-sdk-cpp"
 AWS_SDK_CPP_REF="1.11.454"
 
+# QRMI pre-built C artifacts for Pasqal QRMI connector
+QRMI_RELEASE_REPO=${QRMI_RELEASE_REPO:-qiskit-community/qrmi}
+QRMI_RELEASE_TAG=${QRMI_RELEASE_TAG:-v0.12.0}
+QRMI_RELEASE_VERSION=${QRMI_RELEASE_TAG#v}
+QRMI_RELEASE_BASE="https://github.com/${QRMI_RELEASE_REPO}/releases/download/${QRMI_RELEASE_TAG}"
+QRMI_ARCHIVE="libqrmi-${QRMI_RELEASE_VERSION}-el8-x86_64.tar.gz"
+QRMI_UNPACK_DIR="libqrmi-${QRMI_RELEASE_VERSION}"
+# NOTE: This needs to be updated whenever the pre-built artifacts are updated. The SHA-256 can be computed with:
+#   wget -O qrmi.tar.gz "${QRMI_RELEASE_BASE}/${QRMI_ARCHIVE}"
+#   sha256sum qrmi.tar.gz | awk '{print $1}'
+QRMI_ARCHIVE_SHA256=${QRMI_ARCHIVE_SHA256:-2986150d4f55e1f6566bef16d9fb3897ca04dd7eaa681865f7ef244f298a6746}
+
 # Process command line arguments
 toolchain=''
 exclude_prereq=''
@@ -175,6 +187,13 @@ if $lock_mode; then
     "url=${AWS_SDK_CPP_URL}" \
     "ref=${AWS_SDK_CPP_REF}"
 
+  # [QRMI] Pre-built C artifacts for Pasqal QRMI connector
+  # Keep this in sync with the QRMI section in the installation path below.
+  add_lock_line "qrmi" \
+    "type=tar" \
+    "url=${QRMI_RELEASE_BASE}/${QRMI_ARCHIVE}" \
+    "version=${QRMI_RELEASE_VERSION}" \
+    "sha256=${QRMI_ARCHIVE_SHA256}"
 
   echo "Prerequisites lockfile written to ${LOCK_FILE}."
   (return 0 2>/dev/null) && return 0 || exit 0
@@ -575,38 +594,26 @@ if [ -n "$QRMI_INSTALL_PREFIX" ] && [ -z "$(echo $exclude_prereq | grep qrmi)" ]
     temp_install_if_command_unknown wget wget
     pushd "$PREREQS_BUILD_DIR"
 
-    QRMI_RELEASE_REPO=${QRMI_RELEASE_REPO:-qiskit-community/qrmi}
-    QRMI_RELEASE_TAG=${QRMI_RELEASE_TAG:-v0.12.0}
-    QRMI_RELEASE_VERSION=${QRMI_RELEASE_TAG#v}
-    qrmi_release_base="https://github.com/${QRMI_RELEASE_REPO}/releases/download/${QRMI_RELEASE_TAG}"
-    qrmi_archive="libqrmi-${QRMI_RELEASE_VERSION}-el8-x86_64.tar.gz" # Note: el8 build works on Ubuntu 18.04+.
-    qrmi_unpack_dir="libqrmi-${QRMI_RELEASE_VERSION}"
-
-    # NOTE: This needs to be updated whenever the pre-built artifacts are updated. The SHA-256 can be computed with:
-    #   wget -O qrmi.tar.gz "${qrmi_release_base}/${qrmi_archive}"
-    #   sha256sum qrmi.tar.gz | awk '{print $1}' 
-    QRMI_ARCHIVE_SHA256="2986150d4f55e1f6566bef16d9fb3897ca04dd7eaa681865f7ef244f298a6746"
-
     mkdir -p "$QRMI_INSTALL_PREFIX/include" "$QRMI_INSTALL_PREFIX/lib64"
-    wget "${qrmi_release_base}/${qrmi_archive}" -O "${qrmi_archive}"
+    wget "${QRMI_RELEASE_BASE}/${QRMI_ARCHIVE}" -O "${QRMI_ARCHIVE}"
 
     if [ -x "$(command -v sha256sum)" ]; then
-      computed_sha256="$(sha256sum "${qrmi_archive}" | awk '{print $1}')"
+      computed_sha256="$(sha256sum "${QRMI_ARCHIVE}" | awk '{print $1}')"
     else
-      computed_sha256="$(shasum -a 256 "${qrmi_archive}" | awk '{print $1}')"
+      computed_sha256="$(shasum -a 256 "${QRMI_ARCHIVE}" | awk '{print $1}')"
     fi
     if [ "$computed_sha256" != "$QRMI_ARCHIVE_SHA256" ]; then
-      echo -e "\e[01;31mError: SHA-256 checksum mismatch for ${qrmi_archive}.\e[0m" >&2
+      echo -e "\e[01;31mError: SHA-256 checksum mismatch for ${QRMI_ARCHIVE}.\e[0m" >&2
       echo "Expected: $QRMI_ARCHIVE_SHA256" >&2
       echo "Got:      $computed_sha256" >&2
       rm -f "${qrmi_archive}"
       (return 1 2>/dev/null) && return 1 || exit 1
     fi
 
-    tar -xzf "${qrmi_archive}"
-    cp "${qrmi_unpack_dir}/qrmi.h" "$qrmi_header"
-    cp "${qrmi_unpack_dir}/libqrmi.so" "$qrmi_library"
-    rm -rf "${qrmi_archive}" "${qrmi_unpack_dir}"
+    tar -xzf "${QRMI_ARCHIVE}"
+    cp "${QRMI_UNPACK_DIR}/qrmi.h" "$qrmi_header"
+    cp "${QRMI_UNPACK_DIR}/libqrmi.so" "$qrmi_library"
+    rm -rf "${QRMI_ARCHIVE}" "${QRMI_UNPACK_DIR}"
 
     popd
     remove_temp_installs