diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
new file mode 100644
index 0000000..ba23adf
--- /dev/null
+++ b/.github/workflows/fuzz.yml
@@ -0,0 +1,25 @@
+name: Go fuzz test
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  fuzz-lexer-test:
+    name: Fuzz lexer test
+    runs-on: ubuntu-latest
+    steps:
+        # commit hash == v1.2.0
+      - uses: jidicula/go-fuzz-action@4f24eed45b25214f31a9fe035ca68ea2c88c6a13
+        with:
+          fuzz-time: 30s
+          fuzz-regexp: Fuzz_lexerNextToken
+  fuzz-parser-test:
+    name: Fuzz parser test
+    runs-on: ubuntu-latest
+    steps:
+        # commit hash == v1.2.0
+      - uses: jidicula/go-fuzz-action@4f24eed45b25214f31a9fe035ca68ea2c88c6a13
+        with:
+          fuzz-time: 30s
+          fuzz-regexp: Fuzz_parserParse
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 3b735ec..7bc8aa8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,6 @@
 
 # Go workspace file
 go.work
+
+# fuzzing test data
+testdata
\ No newline at end of file