diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0026fed..7ecf9b5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:
-        go-version: ^1.21
+        go-version: ^1.22
       id: go
 
     - name: Check out code into the Go module directory
diff --git a/Dockerfile b/Dockerfile
index 21de61a..9feb601 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 # Build stage
-FROM golang:1.21-alpine3.18 AS builder
+FROM golang:1.22-alpine3.19 AS builder
 WORKDIR /app
 COPY . .
 RUN go build -o main main.go
 
 # Run stage
-FROM alpine:3.18
+FROM alpine:3.19
 WORKDIR /app
 COPY --from=builder /app/main .
 COPY app.env .
diff --git a/README.md b/README.md
index 2c5b6cd..32fe1ab 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,7 @@ This course is designed with a lot of details, so that everyone, even with very
 - Lecture #71: [Grant AWS EKS cluster access to Postgres and Redis using security group](https://www.youtube.com/watch?v=pPXYu6QQGE8&list=PLy_6D98if3ULEtXtNSY_2qN21VCKgoQAE)
 - Lecture #72: [Deploy gRPC + HTTP server to AWS EKS cluster](https://www.youtube.com/watch?v=Pd7aeh014nU&list=PLy_6D98if3ULEtXtNSY_2qN21VCKgoQAE)
 - Lecture #73: [Don't lose money on AWS](https://www.youtube.com/watch?v=VEf7IpUn6BQ&list=PLy_6D98if3ULEtXtNSY_2qN21VCKgoQAE)
+- Lecture #74: [Go 1.22 fixed the most common for-loop trap](https://www.youtube.com/watch?v=rIHO9TqJtQQ&list=PLy_6D98if3ULEtXtNSY_2qN21VCKgoQAE)
 
 ## Simple bank service
 
diff --git a/go.mod b/go.mod
index f98d757..495eedc 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/techschool/simplebank
 
-go 1.21
+go 1.22
 
 require (
 	github.com/aead/chacha20poly1305 v0.0.0-20201124145622-1a5aba2a8b29
@@ -21,6 +21,7 @@ require (
 	github.com/spf13/viper v1.10.1
 	github.com/stretchr/testify v1.8.1
 	golang.org/x/crypto v0.6.0
+	golang.org/x/sync v0.1.0
 	google.golang.org/genproto v0.0.0-20220317150908-0efb43f6373e
 	google.golang.org/grpc v1.45.0
 	google.golang.org/protobuf v1.28.1
@@ -64,7 +65,6 @@ require (
 	github.com/ugorji/go/codec v1.2.7 // indirect
 	go.uber.org/atomic v1.6.0 // indirect
 	golang.org/x/net v0.6.0 // indirect
-	golang.org/x/sync v0.1.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect
 	golang.org/x/text v0.7.0 // indirect
 	golang.org/x/time v0.2.0 // indirect