diff --git a/build/Dockerfile b/build/Dockerfile
index 209024254..8a7eaf299 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18-alpine as builder
+FROM golang:1.19-alpine as builder
 
 WORKDIR /go/src/app
 COPY src .
diff --git a/build/build.sh b/build/build.sh
index 0e3f33dd0..a18fd28f2 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -12,7 +12,7 @@ usage() {
 }
 
 ROOT=$(dirname $(dirname $(readlink -f $0)))
-GOVER=1.18                           # go version
+GOVER=1.19                           # go version
 CORSO_BUILD_CACHE="/tmp/.corsobuild" # shared persistent cache
 
 # Figure out os and architecture
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 403bd4420..48238f2ce 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -4,7 +4,7 @@
 # It is not used for deployments.
 
 ## Build
-FROM golang:1.18 AS base
+FROM golang:1.19 AS base
 
 WORKDIR /src
 
diff --git a/src/cli/config/config_test.go b/src/cli/config/config_test.go
index b2ffaf761..0981dc7e1 100644
--- a/src/cli/config/config_test.go
+++ b/src/cli/config/config_test.go
@@ -2,7 +2,6 @@ package config
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -53,7 +52,7 @@ func (suite *ConfigSuite) TestReadRepoConfigBasic() {
 	// Generate test config file
 	testConfigData := fmt.Sprintf(configFileTemplate, b, tID)
 	testConfigFilePath := filepath.Join(t.TempDir(), "corso.toml")
-	err := ioutil.WriteFile(testConfigFilePath, []byte(testConfigData), 0o700)
+	err := os.WriteFile(testConfigFilePath, []byte(testConfigData), 0o700)
 	require.NoError(t, err)
 
 	// Configure viper to read test config file
diff --git a/src/go.mod b/src/go.mod
index 9388e1c81..8d5793541 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -1,6 +1,6 @@
 module github.com/alcionai/corso/src
 
-go 1.18
+go 1.19
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.2.0
diff --git a/src/internal/connector/mockconnector/mock_data_collection_test.go b/src/internal/connector/mockconnector/mock_data_collection_test.go
index 78de76b7a..c9be7eeba 100644
--- a/src/internal/connector/mockconnector/mock_data_collection_test.go
+++ b/src/internal/connector/mockconnector/mock_data_collection_test.go
@@ -3,7 +3,6 @@ package mockconnector_test
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"testing"
 
 	"github.com/microsoftgraph/msgraph-sdk-go/models"
@@ -30,7 +29,7 @@ func (suite *MockExchangeCollectionSuite) TestMockExchangeCollection() {
 	messagesRead := 0
 
 	for item := range mdc.Items() {
-		_, err := ioutil.ReadAll(item.ToReader())
+		_, err := io.ReadAll(item.ToReader())
 		assert.NoError(suite.T(), err)
 		messagesRead++
 	}
@@ -45,7 +44,7 @@ func (suite *MockExchangeCollectionSuite) TestMockExchangeCollectionItemSize() {
 	mdc.Data[1] = []byte("This is some buffer of data so that the size is different than the default")
 
 	for item := range mdc.Items() {
-		buf, err := ioutil.ReadAll(item.ToReader())
+		buf, err := io.ReadAll(item.ToReader())
 		assert.NoError(t, err)
 
 		assert.Implements(t, (*data.StreamSize)(nil), item)
@@ -110,7 +109,7 @@ func (suite *MockExchangeDataSuite) TestMockExchangeData() {
 	for _, test := range table {
 		suite.T().Run(test.name, func(t *testing.T) {
 			assert.Equal(t, id, test.reader.UUID())
-			buf, err := ioutil.ReadAll(test.reader.ToReader())
+			buf, err := io.ReadAll(test.reader.ToReader())
 
 			test.check(t, err)
 			if err != nil {
diff --git a/src/internal/kopia/data_collection_test.go b/src/internal/kopia/data_collection_test.go
index 7b2910911..c28c54af8 100644
--- a/src/internal/kopia/data_collection_test.go
+++ b/src/internal/kopia/data_collection_test.go
@@ -3,7 +3,6 @@ package kopia
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -100,7 +99,7 @@ func (suite *KopiaDataCollectionUnitSuite) TestReturnsStreams() {
 
 				assert.Equal(t, returnedStream.UUID(), uuids[count])
 
-				buf, err := ioutil.ReadAll(returnedStream.ToReader())
+				buf, err := io.ReadAll(returnedStream.ToReader())
 				require.NoError(t, err)
 				assert.Equal(t, buf, testData[count])
 				require.Implements(t, (*data.StreamSize)(nil), returnedStream)
diff --git a/src/internal/kopia/wrapper_test.go b/src/internal/kopia/wrapper_test.go
index a88bd2a75..afe418748 100644
--- a/src/internal/kopia/wrapper_test.go
+++ b/src/internal/kopia/wrapper_test.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"io"
-	"io/ioutil"
 	stdpath "path"
 	"testing"
 
@@ -68,7 +67,7 @@ func testForFiles(
 			expected, ok := expected[fullPath.String()]
 			require.True(t, ok, "unexpected file with path %q", fullPath)
 
-			buf, err := ioutil.ReadAll(s.ToReader())
+			buf, err := io.ReadAll(s.ToReader())
 			require.NoError(t, err, "reading collection item: %s", fullPath)
 
 			assert.Equal(t, expected, buf, "comparing collection item: %s", fullPath)
diff --git a/website/Makefile b/website/Makefile
index 528bfc214..1b26cb2df 100644
--- a/website/Makefile
+++ b/website/Makefile
@@ -1,5 +1,6 @@
 .PHONY: buildimage build dev shell check genclidocs _validatemdgen publish sync
 
+GO_VERSION := 1.19
 CORSO_BUILD_DIR := /tmp/.corsobuild
 CORSO_BUILD_CACHE := ${CORSO_BUILD_DIR}/cache
 CORSO_BUILD_MOD := ${CORSO_BUILD_DIR}/mod
@@ -12,8 +13,8 @@ CBASE :=  docker run --rm -it \
 		-v ${CORSO_LOCAL_PATH}:${CORSO_REPO} -v ${CORSO_BUILD_DIR}:${CORSO_BUILD_DIR} \
 		--env GOCACHE=${CORSO_BUILD_CACHE} --env GOMODCACHE=${CORSO_BUILD_MOD} --env GOTMPDIR=${CORSO_BUILD_DIR} \
 		--workdir ${CORSO_REPO}/src
-GOC :=  ${CBASE} golang:1.18
-GOBASHC :=  ${CBASE} --entrypoint bash golang:1.18
+GOC :=  ${CBASE} golang:${GO_VERSION}
+GOBASHC :=  ${CBASE} --entrypoint bash golang:${GO_VERSION}
 MDGEN_SRC := ${CORSO_REPO}/src/cmd/mdgen/mdgen.go
 MDGEN_BINARY := ${CORSO_BUILD_BIN}/mdgen
 CLI_DOCS := ${CORSO_REPO}/website/docs/cli