diff --git a/.github/workflows/static-code-analysis.yml b/.github/workflows/static-code-analysis.yml
new file mode 100644
index 0000000..7049af3
--- /dev/null
+++ b/.github/workflows/static-code-analysis.yml
@@ -0,0 +1,13 @@
+name: Static code analysis
+
+on: [pull_request]
+
+jobs:
+  static-code-analysis:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Run PHPStan
+        uses: docker://jakzal/phpqa:php7.3-alpine
+        with:
+          args: phpstan analyze
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5e342f6
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+DIR := ${CURDIR}
+QA_IMAGE := jakzal/phpqa:php7.3-alpine
+
+static:
+	docker run --rm -v $(DIR):/project -w /project $(QA_IMAGE) phpstan analyze
diff --git a/Readme.md b/Readme.md
index bcbc73f..0b2d924 100644
--- a/Readme.md
+++ b/Readme.md
@@ -15,6 +15,14 @@ and loader.
 composer require php-translation/symfony-storage
 ```
 
+### Tests
+
+Static code analysis (uses PHPStan) by running:
+
+```
+make static
+```
+
 ### Documentation
 
 Read our documentation at [http://php-translation.readthedocs.io](http://php-translation.readthedocs.io/en/latest/).
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000..c784c61
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,22 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Method Translation\\\\SymfonyStorage\\\\FileStorage\\:\\:writeCatalogue\\(\\) has no return typehint specified\\.$#"
+			count: 1
+			path: src/FileStorage.php
+
+		-
+			message: "#^Method Translation\\\\SymfonyStorage\\\\FileStorage\\:\\:writeCatalogue\\(\\) has parameter \\$locale with no typehint specified\\.$#"
+			count: 1
+			path: src/FileStorage.php
+
+		-
+			message: "#^Parameter \\#1 \\$catalogue of method Symfony\\\\Component\\\\Translation\\\\Writer\\\\TranslationWriterInterface\\:\\:write\\(\\) expects Symfony\\\\Component\\\\Translation\\\\MessageCatalogue, Symfony\\\\Component\\\\Translation\\\\MessageCatalogueInterface given\\.$#"
+			count: 2
+			path: src/FileStorage.php
+
+		-
+			message: "#^Method Translation\\\\SymfonyStorage\\\\FileStorage\\:\\:loadCatalogue\\(\\) has no return typehint specified\\.$#"
+			count: 1
+			path: src/FileStorage.php
+
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
new file mode 100644
index 0000000..d09f8d2
--- /dev/null
+++ b/phpstan.neon.dist
@@ -0,0 +1,12 @@
+includes:
+    - phpstan-baseline.neon
+
+parameters:
+    level: max
+    inferPrivatePropertyTypeFromConstructor: true
+    checkMissingIterableValueType: false
+    paths:
+        - src
+    excludes_analyse:
+        - vendor
+        - Tests