diff --git a/CHANGELOG.md b/CHANGELOG.md
index c214e12..b4c53a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,18 +9,43 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- User and group management via [userborn](https://github.com/nikstur/userborn) integration (#266)
+- Secrets management via [sops-nix](https://github.com/Mic92/sops-nix) integration (#270)
+- Container test driver with Ubuntu support, testinfra integration, interactive debugging (#333)
+- Default value for `--flake` CLI option set to `~/.config/system-manager/flake.nix` (#326)
+- `target_host` is now global CLI argument (#340)
+- Speed up system-manager build using Numtide cache substituter (#337)
 - Support running system-manager from macOS to deploy configurations to Linux (#325)
+- Reduce the number of flake inputs using a sub-flake (#329)
 
 ### Fixed
 
-- Remove eval warnings (#324)
+- Remove unused .mode/.uid/.gid sidecar files from etc static environment (#344)
+- Remove multiple eval warnings
 
 ### Documentation
 
 - Reorganize documentation with tutorials, how-to guides, explanations, and reference pages
+- Update Nix installation instructions to recommend nix-installer
+- Add users, groups example and documentation
+- Add container test driver documentation
+- Improve remote deployment documentation
 - Add CONTRIBUTING.md with developer guidelines
 - Add supported platforms reference page
 - Add file permissions and ownership reference
+- Auto-generated module options reference integrated into MkDocs
+
+### Contributors
+
+Thanks to all the contributors who made this release possible:
+
+- Aaron Honeycutt
+- David Chocholatý
+- Francisco-Andre-Martins
+- Jean-François Roche
+- Jeffrey Cogswell
+- Jonas Chevalier
+- Julien Malka
 
 ## [1.0.0] - 2026-01-06
 
@@ -103,5 +128,6 @@ Thanks to all the contributors who made this release possible:
 - Steve Dodd
 - Yvan Sraka
 
-[unreleased]: https://github.com/numtide/system-manager/compare/v1.0.0...HEAD
+[unreleased]: https://github.com/numtide/system-manager/compare/v1.1.0...HEAD
+[1.1.0]: https://github.com/numtide/system-manager/compare/v1.0.0...v1.1.0
 [1.0.0]: https://github.com/numtide/system-manager/releases/tag/v1.0.0
diff --git a/tools/release.sh b/tools/release.sh
index 0e2ff9f..4e55eea 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -8,10 +8,23 @@ if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
     exit 1
 fi
 
+VERSION_NUM="${VERSION#v}"
 CHANGELOG="CHANGELOG.md"
+CARGO_TOML="Cargo.toml"
 TEMP_NOTES=$(mktemp)
+TEMP_CHANGELOG=$(mktemp)
 
-trap 'rm -f "$TEMP_NOTES"' EXIT
+trap 'rm -f "$TEMP_NOTES" "$TEMP_CHANGELOG"' EXIT
+
+CURRENT_VERSION=$(grep -E '^version = "[0-9]+\.[0-9]+\.[0-9]+"' "$CARGO_TOML" | head -1 | sed 's/.*"\([^"]*\)".*/\1/')
+if [[ -z "$CURRENT_VERSION" ]]; then
+    echo "Error: Could not determine current version from $CARGO_TOML" >&2
+    exit 1
+fi
+
+echo "Current version: $CURRENT_VERSION"
+echo "New version: $VERSION_NUM"
+echo ""
 
 echo "Extracting release notes from $CHANGELOG..."
 awk '/^## \[Unreleased\]/,/^## \[[0-9]/ {
@@ -30,16 +43,47 @@ echo "Release notes:"
 cat "$TEMP_NOTES"
 echo ""
 
-read -p "Create tag and draft release $VERSION? [y/N] " -n 1 -r
+read -p "Create release $VERSION? [y/N] " -n 1 -r
 echo
 if [[ ! $REPLY =~ ^[Yy]$ ]]; then
     echo "Aborted."
     exit 1
 fi
 
+echo "Updating $CARGO_TOML version to $VERSION_NUM..."
+sed -i "s/^version = \"$CURRENT_VERSION\"/version = \"$VERSION_NUM\"/" "$CARGO_TOML"
+
+echo "Updating Cargo.lock..."
+cargo check --quiet 2>/dev/null || cargo update --quiet
+
+echo "Updating $CHANGELOG..."
+TODAY=$(date +%Y-%m-%d)
+
+awk -v version="$VERSION_NUM" -v date="$TODAY" '
+/^## \[Unreleased\]/ {
+    print "## [Unreleased]"
+    print ""
+    print "## [" version "] - " date
+    next
+}
+{ print }
+' "$CHANGELOG" > "$TEMP_CHANGELOG"
+
+sed -i "s|\[unreleased\]: https://github.com/numtide/system-manager/compare/v[0-9.]*\.\.\.HEAD|[unreleased]: https://github.com/numtide/system-manager/compare/v$VERSION_NUM...HEAD|" "$TEMP_CHANGELOG"
+
+if ! grep -q "^\[$VERSION_NUM\]:" "$TEMP_CHANGELOG"; then
+    sed -i "/^\[unreleased\]:/a [$VERSION_NUM]: https://github.com/numtide/system-manager/compare/v$CURRENT_VERSION...v$VERSION_NUM" "$TEMP_CHANGELOG"
+fi
+
+mv "$TEMP_CHANGELOG" "$CHANGELOG"
+
+echo "Committing version updates..."
+git add "$CARGO_TOML" Cargo.lock "$CHANGELOG"
+git commit -m "chore: bump version to $VERSION_NUM"
+
 echo "Creating git tag $VERSION..."
 git tag -a "$VERSION" -m "Release $VERSION"
-git push origin "$VERSION"
+git push origin HEAD "$VERSION"
 
 echo "Creating GitHub draft release..."
 gh release create "$VERSION" \
@@ -47,9 +91,9 @@ gh release create "$VERSION" \
     --title "system-manager $VERSION" \
     --notes-file "$TEMP_NOTES"
 
-echo "✓ Draft release $VERSION created successfully!"
+echo ""
+echo "Release $VERSION created successfully!"
 echo ""
 echo "Next steps:"
 echo "1. Review the draft release on GitHub"
 echo "2. Publish the release when ready"
-echo "3. Update CHANGELOG.md to move [Unreleased] content to [$VERSION] section"