diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8a2e736..0d52d5b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,14 +33,30 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
           CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
 
+      - name: Install Determinate Nix
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: DeterminateSystems/determinate-nix-action@2a0be2498974c2b6327e19780488744384637d88 # v3.21.7
+        with:
+          extra-conf: lazy-trees = true
+
+      - name: Set up FlakeHub Cache
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: DeterminateSystems/flakehub-cache-action@3be0931021788e3bb4df65f59a555039c2fa2d46 # v3.21.7
+
+      - name: Enter Nix devshell
+        if: ${{ steps.release-plz.outputs.prs_created == 'true' || steps.release-plz.outputs.releases_created == 'true' }}
+        uses: nicknovitski/nix-develop@9be7cfb4b10451d3390a75dc18ad0465bed4932a # v1.2.1
+
       - name: Bump changelog versions
         if: ${{ steps.release-plz.outputs.prs_created == 'true' }}
         env:
           GH_TOKEN: ${{ github.token }}
-        run: scripts/bump-changelogs '${{ steps.release-plz.outputs.pr }}'
+          RELEASE_PLZ_PR_JSON: ${{ steps.release-plz.outputs.pr }}
+        run: x52-bump-changelogs
 
       - name: Update release notes
         if: ${{ steps.release-plz.outputs.releases_created == 'true' }}
         env:
           GH_TOKEN: ${{ github.token }}
-        run: scripts/update-release-notes '${{ steps.release-plz.outputs.releases }}'
+          RELEASE_PLZ_RELEASES_JSON: ${{ steps.release-plz.outputs.releases }}
+        run: x52-update-release-notes
diff --git a/flake.lock b/flake.lock
index b57e78a..ad8c19a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -66,11 +66,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716077176,
-        "narHash": "sha256-CJLStpZHEVZ+fgXG3H61R97KzQePkdNXpnhkDBtHUec=",
+        "lastModified": 1784633661,
+        "narHash": "sha256-eOrF1y0svdniEnjIuuvkzOv6z/ltBepYjApINcDY1Xg=",
         "owner": "x52dev",
         "repo": "nix",
-        "rev": "4afdfa74f1bef9a7e2e99498c47a25b0753a43e0",
+        "rev": "5e898b3d4b5bb9801964488d6ab4a6ed445c1809",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 1febf56..67748c1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,7 +20,10 @@
           formatter = pkgs.nixpkgs-fmt;
 
           devShells.default = pkgs.mkShell {
-            buildInputs = [ x52just ];
+            buildInputs = [
+              x52just
+              inputs'.x52.packages.x52-release-tools
+            ];
 
             packages = [
               config.formatter
diff --git a/scripts/bump-changelogs b/scripts/bump-changelogs
deleted file mode 100755
index 336bfd7..0000000
--- a/scripts/bump-changelogs
+++ /dev/null
@@ -1,139 +0,0 @@
-#!/usr/bin/env bash
-
-# Updates changelog versions indicated by release-plz.
-
-set -eEuo pipefail
-
-WORKSPACE_METADATA="$(cargo metadata --format-version=1 --no-deps)"
-
-function package_dir_for() {
-    local package_name="$1"
-    local manifest_path
-
-    manifest_path="$(
-        echo "$WORKSPACE_METADATA" \
-            | jq -r --arg package_name "$package_name" '.packages[] | select(.name == $package_name) | .manifest_path' \
-            | head -n 1
-    )"
-
-    if [[ -z "$manifest_path" || "$manifest_path" == "null" ]]; then
-        echo "Could not determine package directory for $package_name" >&2
-        return 1
-    fi
-
-    dirname "$manifest_path"
-}
-
-function bump_changelog_version() {
-    local package_dir="$1"
-    local version="$2"
-
-    local changelog_file="${package_dir}/CHANGELOG.md"
-    local readme_file="${package_dir}/README.md"
-    local unreleased_line
-    local next_heading_line
-    local previous_version
-    local change_chunk_file
-    local line_count
-
-    if [[ ! -f "$changelog_file" ]]; then
-        echo "Skipping ${package_dir}: no CHANGELOG.md"
-        return 0
-    fi
-
-    if awk -v version="$version" '$0 == "## " version { found = 1 } END { exit !found }' "$changelog_file"; then
-        echo "Skipping ${changelog_file}: already contains ${version}"
-        return 0
-    fi
-
-    unreleased_line="$(awk '/^## Unreleased$/ { print NR; exit }' "$changelog_file")"
-    if [[ -z "$unreleased_line" ]]; then
-        echo "Skipping ${changelog_file}: no '## Unreleased' heading"
-        return 0
-    fi
-
-    next_heading_line="$(
-        awk -v start="$unreleased_line" 'NR > start && /^## / { print NR; exit }' "$changelog_file"
-    )"
-    if [[ -z "$next_heading_line" ]]; then
-        echo "Skipping ${changelog_file}: no version headings found after '## Unreleased'"
-        return 0
-    fi
-
-    previous_version="$(sed -n "${next_heading_line}s/^## //p" "$changelog_file")"
-    change_chunk_file="$(mktemp)"
-    line_count="$(wc -l < "$changelog_file" | awk '{ print $1 }')"
-
-    echo "${changelog_file} -> ${version}"
-
-    sed -n "$((unreleased_line + 1)),$((next_heading_line - 1))p" "$changelog_file" \
-        | awk '
-            {
-                lines[NR] = $0
-            }
-            END {
-                first = 1
-                while (first <= NR && lines[first] ~ /^[[:space:]]*$/) {
-                    first++
-                }
-
-                last = NR
-                while (last >= first && lines[last] ~ /^[[:space:]]*$/) {
-                    last--
-                }
-
-                for (i = first; i <= last; i++) {
-                    print lines[i]
-                }
-            }
-        ' >"$change_chunk_file"
-
-    if [[ "$(wc -w "$change_chunk_file" | awk '{ print $1 }')" == "0" ]]; then
-        printf '%s\n' "- No significant changes since \`${previous_version}\`." >"$change_chunk_file"
-    fi
-
-    (
-        sed -n "1,${unreleased_line}p" "$changelog_file"
-        echo
-        echo "## $version"
-        echo
-        sed -n '1,$p' "$change_chunk_file"
-        echo
-        sed -n "${next_heading_line},${line_count}p" "$changelog_file"
-    ) >"$changelog_file.bak"
-
-    mv "$changelog_file.bak" "$changelog_file"
-    rm -f "$change_chunk_file"
-
-    if [[ -f "$readme_file" && -n "$previous_version" ]]; then
-        sed -i.bak -E "s#([=/])${previous_version}([/)])#\\1${version}\\2#g" "$readme_file"
-        rm -f "${readme_file}.bak"
-    fi
-}
-
-RELEASE_PLZ_PR_JSON="$1"
-PR_NUMBER="$(echo "$RELEASE_PLZ_PR_JSON" | jq -r '.number')"
-
-if [[ -n "$PR_NUMBER" && "$PR_NUMBER" != "null" ]]; then
-    gh pr checkout "$PR_NUMBER"
-    WORKSPACE_METADATA="$(cargo metadata --format-version=1 --no-deps)"
-fi
-
-specs="$(echo "$RELEASE_PLZ_PR_JSON" | jq -r '.releases[] | "\(.package_name):\(.version)"')"
-
-for spec in $specs; do
-    name="$(echo "$spec" | cut -d: -f1)"
-    version="$(echo "$spec" | cut -d: -f2)"
-    package_dir="$(package_dir_for "$name")"
-
-    bump_changelog_version "$package_dir" "$version"
-done
-
-if [[ -n "$PR_NUMBER" && "$PR_NUMBER" != "null" ]]; then
-    git add --all
-
-    if ! git diff --cached --quiet; then
-        git commit -m "docs: update changelog versions"
-        git push
-    fi
-fi
diff --git a/scripts/update-release-notes b/scripts/update-release-notes
deleted file mode 100755
index 5f755e1..0000000
--- a/scripts/update-release-notes
+++ /dev/null
@@ -1,92 +0,0 @@
-#!/usr/bin/env bash
-
-# Updates GitHub release notes from crate changelogs.
-
-set -eEuo pipefail
-
-WORKSPACE_METADATA="$(cargo metadata --format-version=1 --no-deps)"
-
-function package_dir_for() {
-    local package_name="$1"
-    local manifest_path
-
-    manifest_path="$(
-        echo "$WORKSPACE_METADATA" \
-            | jq -r --arg package_name "$package_name" '.packages[] | select(.name == $package_name) | .manifest_path' \
-            | head -n 1
-    )"
-
-    if [[ -z "$manifest_path" || "$manifest_path" == "null" ]]; then
-        echo "Could not determine package directory for $package_name" >&2
-        return 1
-    fi
-
-    dirname "$manifest_path"
-}
-
-function update_release_notes() {
-    local package_dir="$1"
-    local version="$2"
-    local tag="$3"
-    local changelog_file="${package_dir}/CHANGELOG.md"
-
-    if [[ ! -f "$changelog_file" ]]; then
-        echo "Skipping ${tag}: no ${changelog_file}"
-        return 0
-    fi
-
-    echo "Updating ${tag} using ${changelog_file}"
-
-    local notes
-    notes="$(
-        awk -v version="$version" '
-            $0 == "## " version {
-                in_section = 1
-                next
-            }
-
-            in_section && /^## / {
-                exit
-            }
-
-            in_section {
-                lines[++count] = $0
-            }
-
-            END {
-                first = 1
-                while (first <= count && lines[first] ~ /^[[:space:]]*$/) {
-                    first++
-                }
-
-                last = count
-                while (last >= first && lines[last] ~ /^[[:space:]]*$/) {
-                    last--
-                }
-
-                for (i = first; i <= last; i++) {
-                    print lines[i]
-                }
-            }
-        ' "$changelog_file"
-    )"
-
-    if [[ -z "${notes//[[:space:]]/}" ]]; then
-        notes="- No significant changes since the previous release."
-    fi
-
-    gh release edit "$tag" --notes="$notes"
-}
-
-RELEASE_PLZ_RELEASES_JSON="$1"
-
-specs="$(echo "$RELEASE_PLZ_RELEASES_JSON" | jq -r '.[] | "\(.package_name):\(.version):\(.tag)"')"
-
-for spec in $specs; do
-    name="$(echo "$spec" | cut -d: -f1)"
-    version="$(echo "$spec" | cut -d: -f2)"
-    tag="$(echo "$spec" | cut -d: -f3)"
-    package_dir="$(package_dir_for "$name")"
-
-    update_release_notes "$package_dir" "$version" "$tag"
-done