diff --git a/cmd/binding-eval/cmd/root.go b/cmd/binding-eval/cmd/root.go
index 8c38fa88e..e1e2297ea 100644
--- a/cmd/binding-eval/cmd/root.go
+++ b/cmd/binding-eval/cmd/root.go
@@ -21,7 +21,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -138,7 +137,7 @@ func readHTTP(path string) (*http.Request, []byte, error) {
 		return nil, nil, fmt.Errorf("error reading request: %w", err)
 	}
 	defer req.Body.Close()
-	body, err := ioutil.ReadAll(req.Body)
+	body, err := io.ReadAll(req.Body)
 	if err != nil {
 		return nil, nil, fmt.Errorf("error reading HTTP body: %w", err)
 	}
diff --git a/cmd/cel-eval/cmd/root.go b/cmd/cel-eval/cmd/root.go
index ea85ca7a4..d069253bb 100644
--- a/cmd/cel-eval/cmd/root.go
+++ b/cmd/cel-eval/cmd/root.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -118,7 +117,7 @@ func readExpression(path string) (string, error) {
 	}
 	defer f.Close()
 
-	data, err := ioutil.ReadAll(f)
+	data, err := io.ReadAll(f)
 	if err != nil {
 		return "", fmt.Errorf("error reading from file: %w", err)
 	}
@@ -138,7 +137,7 @@ func readHTTP(path string) (*http.Request, []byte, error) {
 		return nil, nil, fmt.Errorf("error reading request: %w", err)
 	}
 	defer req.Body.Close()
-	body, err := ioutil.ReadAll(req.Body)
+	body, err := io.ReadAll(req.Body)
 	if err != nil {
 		return nil, nil, fmt.Errorf("error reading HTTP body: %w", err)
 	}
diff --git a/cmd/triggerrun/cmd/root.go b/cmd/triggerrun/cmd/root.go
index 9f8d34ce3..e06a0860d 100644
--- a/cmd/triggerrun/cmd/root.go
+++ b/cmd/triggerrun/cmd/root.go
@@ -24,7 +24,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -179,13 +178,13 @@ func readHTTP(path string) (*http.Request, []byte, error) {
 		return nil, nil, fmt.Errorf("error reading HTTP file: %w", err)
 	}
 
-	body, err := ioutil.ReadAll(request.Body)
+	body, err := io.ReadAll(request.Body)
 	defer request.Body.Close()
 	if err != nil {
 		return nil, nil, fmt.Errorf("error reading HTTP body: %w", err)
 	}
 
-	request.Body = ioutil.NopCloser(bytes.NewReader(body))
+	request.Body = io.NopCloser(bytes.NewReader(body))
 
 	return request, body, err
 }