diff --git a/.github/workflows/go-test.yaml b/.github/workflows/go-test.yaml
index 06606b7..abaa3e4 100644
--- a/.github/workflows/go-test.yaml
+++ b/.github/workflows/go-test.yaml
@@ -11,11 +11,11 @@ jobs:
       runs-on: ubuntu-latest
 
       steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
-            go-version: 1.20
+            go-version: '1.20'
       - name: Install latest nightly Rust
         uses: actions-rs/toolchain@v1
         with:
diff --git a/.github/workflows/rust-test.yaml b/.github/workflows/rust-test.yaml
index 78770e3..3baae52 100644
--- a/.github/workflows/rust-test.yaml
+++ b/.github/workflows/rust-test.yaml
@@ -11,7 +11,7 @@ jobs:
       runs-on: ubuntu-latest
 
       steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install latest nightly Rust
         uses: actions-rs/toolchain@v1
         with:
diff --git a/examples/authorization_request/go.mod b/examples/authorization_request/go.mod
deleted file mode 100644
index 909c6f1..0000000
--- a/examples/authorization_request/go.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module auth-request
-
-go 1.20
diff --git a/examples/authorization_request/main.go b/examples/authorization_request/main.go
deleted file mode 100644
index 648587b..0000000
--- a/examples/authorization_request/main.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"github.com/Joffref/cedar"
-)
-
-const policies = `
-permit(
-  principal == User::"alice", 
-  action    == Action::"update", 
-  resource  == Photo::"VacationPhoto94.jpg"
-);
-`
-
-const entities = `[]`
-
-func main() {
-	engine, err := cedar.NewCedarEngine(context.Background())
-	if err != nil {
-		panic(err)
-	}
-	defer engine.Close(context.Background())
-	err = engine.SetEntitiesFromJson(context.Background(), entities)
-	if err != nil {
-		panic(err)
-	}
-	err = engine.SetPoliciesFromJson(context.Background(), policies)
-	if err != nil {
-		panic(err)
-	}
-	res, err := engine.Eval(context.Background(), cedar.EvalRequest{
-		Principal: "User::\"alice\"",
-		Action:    "Action::\"update\"",
-		Resource:  "Photo::\"VacationPhoto94.jpg\"",
-		Context:   "{}",
-	})
-	if err != nil {
-		panic(err)
-	}
-	fmt.Println(res)
-}