diff --git a/.gitignore b/.gitignore
index 3d9acbfde..b80a110e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 #*#
 *.orig
 *~
+.#*
+\#*#
 
 /Cargo.lock
 /build/
diff --git a/Cargo.toml b/Cargo.toml
index 4faf18c60..94840ac6f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,11 @@
 [package]
 name = "tree-sitter-qmljs"
 description = "QML grammar for the tree-sitter parsing library"
-version = "0.1.0"
+version = "0.1.1"
 keywords = ["incremental", "parsing", "qml"]
 categories = ["parsing", "text-editors"]
 repository = "https://github.com/yuja/tree-sitter-qmljs"
-edition = "2018"
+edition = "2021"
 license = "MIT"
 
 build = "bindings/rust/build.rs"
diff --git a/Makefile b/Makefile
index aa668e00e..f73dae7ca 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,7 @@ TREE_SITTER = node_modules/.bin/tree-sitter
 help:
 	@echo 'Make targets:'
 	@echo '  generate   - generate parser sources'
+	@echo '  clean      - remove build directory and intermediate files'
 	@echo '  tests      - run all tests'
 	@echo '  fetch-examples - fetch example repositories'
 	@echo '  parse-examples - parse example files'
@@ -36,6 +37,18 @@ src/typescript-scanner.h: \
 		cat $<; \
 	) > $@
 
+.PHONY: clean
+clean:
+	$(RM) -R build target
+	$(RM) \
+		queries/highlights-javascript.scm \
+		queries/highlights-typescript.scm \
+		src/grammar.json \
+		src/node-types.json \
+		src/parser.c \
+		src/tree_sitter/parser.h \
+		src/typescript-scanner.h
+
 .PHONY: tests
 tests:
 	$(TREE_SITTER) test $(TESTFLAGS)
diff --git a/README.md b/README.md
index 5af29375e..a91120993 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,36 @@ Button {
     icon { source: "foo.png"; color: "transparent" }
 }
 ```
+
+Building
+--------
+
+Use the `master` branch, which contains all generated files.
+
+```
+$ git checkout master
+$ npm install
+$ cargo build --release
+```
+
+Hacking
+-------
+
+Use the `dev` branch, but you'll first need to run `npm install` in the
+`master` branch.
+
+```
+$ git checkout master
+$ npm install
+$ git checkout dev
+```
+
+Generate code and run tests:
+```
+$ make generate tests
+```
+
+Make sure example QML files can be parsed:
+```
+$ make fetch-examples parse-examples
+```
diff --git a/package.json b/package.json
index ac06c35c0..4b21761b6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tree-sitter-qmljs",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "QML grammar for the tree-sitter parsing library",
   "main": "bindings/node",
   "scripts": {