diff --git a/events/attributevalue_test.go b/events/attributevalue_test.go
index 2246b4d4..551c9d1c 100644
--- a/events/attributevalue_test.go
+++ b/events/attributevalue_test.go
@@ -211,6 +211,7 @@ func TestAccessWithWrongTypePanics(t *testing.T) {
 	}
 
 	for _, testCase := range testCases {
+		testCase := testCase
 		var av DynamoDBAttributeValue
 		err := json.Unmarshal([]byte(testCase.input), &av)
 		assert.Nil(t, err)
diff --git a/events/chime_bot_test.go b/events/chime_bot_test.go
index 18598ba9..3caba67e 100644
--- a/events/chime_bot_test.go
+++ b/events/chime_bot_test.go
@@ -4,10 +4,10 @@ package events
 import (
 	"encoding/json"
 	"testing"
+	"time"
 
 	"github.com/aws/aws-lambda-go/events/test"
 	"github.com/stretchr/testify/assert"
-	"time"
 )
 
 func TestChimeBotEventMarshaling(t *testing.T) {
@@ -116,6 +116,7 @@ func TestChimeBotEventMarshaling(t *testing.T) {
 	}
 
 	for name, test := range tests {
+		test := test
 		t.Run(name, func(t *testing.T) {
 			var testEvent ChimeBotEvent
 			if err := json.Unmarshal([]byte(test.inputJSON), &testEvent); err != nil {
diff --git a/events/cloudwatch_logs_test.go b/events/cloudwatch_logs_test.go
index 1d60902f..c808e394 100644
--- a/events/cloudwatch_logs_test.go
+++ b/events/cloudwatch_logs_test.go
@@ -25,6 +25,7 @@ func TestCloudwatchLogs(t *testing.T) {
 			},
 		},
 	} {
+		test := test
 		t.Run(test.name, func(t *testing.T) {
 			inputJson := tst.ReadJSONFromFile(t, test.eventJson)
 
@@ -71,6 +72,7 @@ func TestCloudwatchLogsParse(t *testing.T) {
 			},
 		},
 	} {
+		test := test
 		t.Run(test.name, func(t *testing.T) {
 			inputJson := tst.ReadJSONFromFile(t, test.eventJson)
 
diff --git a/events/code_commit_test.go b/events/code_commit_test.go
index 6945dcbb..493971df 100644
--- a/events/code_commit_test.go
+++ b/events/code_commit_test.go
@@ -33,6 +33,7 @@ func TestCodeCommitReference(t *testing.T) {
 	}
 
 	for _, c := range cases {
+		c := c
 		t.Run(c.Name, func(t *testing.T) {
 			test.AssertJsonBytes(t, c.Input, &CodeCommitReference{})
 		})
@@ -69,6 +70,7 @@ func TestCodeCommitCodeCommit(t *testing.T) {
 	}
 
 	for _, c := range cases {
+		c := c
 		t.Run(c.Name, func(t *testing.T) {
 			test.AssertJsonBytes(t, c.Input, &CodeCommitCodeCommit{})
 		})
@@ -128,6 +130,7 @@ func TestCodeCommitRecord(t *testing.T) {
 	}
 
 	for _, c := range cases {
+		c := c
 		t.Run(c.Name, func(t *testing.T) {
 			test.AssertJsonBytes(t, c.Input, &CodeCommitRecord{})
 		})
@@ -150,6 +153,7 @@ func TestCodeCommitEvent(t *testing.T) {
 	}
 
 	for _, c := range cases {
+		c := c
 		t.Run(c.Name, func(t *testing.T) {
 			test.AssertJsonBytes(t, c.Input, &CodeCommitEvent{})
 		})
diff --git a/events/ses_test.go b/events/ses_test.go
index 41f9a523..d0da6c7a 100644
--- a/events/ses_test.go
+++ b/events/ses_test.go
@@ -19,6 +19,7 @@ func TestSESEventMarshaling(t *testing.T) {
 	}
 
 	for _, tc := range tests {
+		tc := tc
 		t.Run(tc.file, func(t *testing.T) {
 			inputJSON := test.ReadJSONFromFile(t, tc.file)
 
diff --git a/lambda/handler_test.go b/lambda/handler_test.go
index 962ac38c..18d9163d 100644
--- a/lambda/handler_test.go
+++ b/lambda/handler_test.go
@@ -72,6 +72,7 @@ func TestInvalidHandlers(t *testing.T) {
 		},
 	}
 	for i, testCase := range testCases {
+		testCase := testCase
 		t.Run(fmt.Sprintf("testCase[%d] %s", i, testCase.name), func(t *testing.T) {
 			lambdaHandler := NewHandler(testCase.handler)
 			_, err := lambdaHandler.Invoke(context.TODO(), make([]byte, 0))
@@ -188,6 +189,7 @@ func TestInvokes(t *testing.T) {
 		},
 	}
 	for i, testCase := range testCases {
+		testCase := testCase
 		t.Run(fmt.Sprintf("testCase[%d] %s", i, testCase.name), func(t *testing.T) {
 			lambdaHandler := NewHandler(testCase.handler)
 			response, err := lambdaHandler.Invoke(context.TODO(), []byte(testCase.input))