diff --git a/base/dump-go1x/go.mod b/base/dump-go1x/go.mod
index 1dccccbe..bcb62486 100644
--- a/base/dump-go1x/go.mod
+++ b/base/dump-go1x/go.mod
@@ -5,4 +5,4 @@ require (
 	github.com/aws/aws-sdk-go-v2 v0.17.0
 )
 
-go 1.15
+go 1.16
diff --git a/base/dump-providedal2/go.mod b/base/dump-providedal2/go.mod
index 4fc94c95..4c7afacb 100644
--- a/base/dump-providedal2/go.mod
+++ b/base/dump-providedal2/go.mod
@@ -5,4 +5,4 @@ require (
 	github.com/aws/aws-sdk-go-v2 v0.24.0
 )
 
-go 1.15
+go 1.16
diff --git a/examples/go1.x/go.mod b/examples/go1.x/go.mod
index bcc119a6..c910cdf8 100644
--- a/examples/go1.x/go.mod
+++ b/examples/go1.x/go.mod
@@ -2,4 +2,4 @@ module handler
 
 require github.com/aws/aws-lambda-go v1.13.3
 
-go 1.15
+go 1.16
diff --git a/examples/provided.al2/go.mod b/examples/provided.al2/go.mod
index 4fc94c95..4c7afacb 100644
--- a/examples/provided.al2/go.mod
+++ b/examples/provided.al2/go.mod
@@ -5,4 +5,4 @@ require (
 	github.com/aws/aws-sdk-go-v2 v0.24.0
 )
 
-go 1.15
+go 1.16
diff --git a/go1.x/build/Dockerfile b/go1.x/build/Dockerfile
index 87ffda03..be21ea43 100644
--- a/go1.x/build/Dockerfile
+++ b/go1.x/build/Dockerfile
@@ -3,7 +3,7 @@ FROM lambci/lambda:go1.x
 FROM lambci/lambda-base:build
 
 # https://golang.org/doc/devel/release.html
-ENV GOLANG_VERSION=1.15 \
+ENV GOLANG_VERSION=1.16 \
     GOPATH=/go \
     PATH=/go/bin:/usr/local/go/bin:$PATH \
     AWS_EXECUTION_ENV=AWS_Lambda_go1.x
diff --git a/go1.x/run/go.mod b/go1.x/run/go.mod
index 182b72af..76599f8e 100644
--- a/go1.x/run/go.mod
+++ b/go1.x/run/go.mod
@@ -2,4 +2,4 @@ module aws-lambda-mock
 
 require github.com/aws/aws-lambda-go v1.13.3
 
-go 1.15
+go 1.16
diff --git a/provided/run/go.mod b/provided/run/go.mod
index 28c72849..d423ab69 100644
--- a/provided/run/go.mod
+++ b/provided/run/go.mod
@@ -6,4 +6,4 @@ require (
 	github.com/rjeczalik/notify v0.9.2
 )
 
-go 1.15
+go 1.16