diff --git a/Makefile b/Makefile
index bc1f0007dfc..78d3da14296 100644
--- a/Makefile
+++ b/Makefile
@@ -273,7 +273,7 @@ $(PROTO_GO_OUTS): minimaltools install_protoc-gen-go proto/*.proto
 # This rule builds the bootstrap images for all flavors.
 DOCKER_IMAGES_FOR_TEST = mysql57 mysql80 percona57 percona80
 DOCKER_IMAGES = common $(DOCKER_IMAGES_FOR_TEST)
-BOOTSTRAP_VERSION=19
+BOOTSTRAP_VERSION=19.0
 ensure_bootstrap_version:
 	find docker/ -type f -exec sed -i "s/^\(ARG bootstrap_version\)=.*/\1=${BOOTSTRAP_VERSION}/" {} \;
 	sed -i 's/\(^.*flag.String(\"bootstrap-version\",\) *\"[^\"]\+\"/\1 \"${BOOTSTRAP_VERSION}\"/' test.go
diff --git a/build.env b/build.env
index 038f791c3c3..d45f920eb46 100755
--- a/build.env
+++ b/build.env
@@ -17,7 +17,7 @@
 source ./tools/shell_functions.inc
 
 go version >/dev/null 2>&1 || fail "Go is not installed or is not in \$PATH. See https://vitess.io/contributing/build-from-source for install instructions."
-goversion_min 1.20.5 || echo "Go version reported: `go version`. Version 1.20.5+ recommended. See https://vitess.io/contributing/build-from-source for install instructions."
+goversion_min 1.20.9 || echo "Go version reported: `go version`. Version 1.20.9+ recommended. See https://vitess.io/contributing/build-from-source for install instructions."
 
 mkdir -p dist
 mkdir -p bin
diff --git a/docker/base/Dockerfile b/docker/base/Dockerfile
index aa9b00e342d..6c8c3ba7609 100644
--- a/docker/base/Dockerfile
+++ b/docker/base/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}"
diff --git a/docker/base/Dockerfile.mysql57 b/docker/base/Dockerfile.mysql57
index eabb5106535..0fee762fcd5 100644
--- a/docker/base/Dockerfile.mysql57
+++ b/docker/base/Dockerfile.mysql57
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql57"
 
 FROM "${image}"
diff --git a/docker/base/Dockerfile.percona57 b/docker/base/Dockerfile.percona57
index c08e57ab7cc..31c160f3a44 100644
--- a/docker/base/Dockerfile.percona57
+++ b/docker/base/Dockerfile.percona57
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona57"
 
 FROM "${image}"
diff --git a/docker/base/Dockerfile.percona80 b/docker/base/Dockerfile.percona80
index 5c78c1ffe84..9d52f67110d 100644
--- a/docker/base/Dockerfile.percona80
+++ b/docker/base/Dockerfile.percona80
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona80"
 
 FROM "${image}"
diff --git a/docker/bootstrap/CHANGELOG.md b/docker/bootstrap/CHANGELOG.md
index 707191d61e8..12f86847d60 100644
--- a/docker/bootstrap/CHANGELOG.md
+++ b/docker/bootstrap/CHANGELOG.md
@@ -72,4 +72,8 @@ List of changes between bootstrap image versions.
 
 ## [19] - 2023-06-07
 ### Changes
-- Update build to golang 1.20.5
\ No newline at end of file
+- Update build to golang 1.20.5
+
+## [19.0] - 2023-10-06
+### Changes
+- Update build to golang 1.20.9
\ No newline at end of file
diff --git a/docker/bootstrap/Dockerfile.common b/docker/bootstrap/Dockerfile.common
index 5c6e4da5930..01fd838fae9 100644
--- a/docker/bootstrap/Dockerfile.common
+++ b/docker/bootstrap/Dockerfile.common
@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 golang:1.20.5-buster
+FROM --platform=linux/amd64 golang:1.20.9-buster
 
 # Install Vitess build dependencies
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
diff --git a/docker/lite/Dockerfile.mysql57 b/docker/lite/Dockerfile.mysql57
index 960427e2504..d9503f31ad9 100644
--- a/docker/lite/Dockerfile.mysql57
+++ b/docker/lite/Dockerfile.mysql57
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql57"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.mysql80 b/docker/lite/Dockerfile.mysql80
index 25d717e73eb..9082e5088bc 100644
--- a/docker/lite/Dockerfile.mysql80
+++ b/docker/lite/Dockerfile.mysql80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.percona57 b/docker/lite/Dockerfile.percona57
index 773c6ed9462..45ebef3440e 100644
--- a/docker/lite/Dockerfile.percona57
+++ b/docker/lite/Dockerfile.percona57
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona57"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.percona80 b/docker/lite/Dockerfile.percona80
index 49287230ca2..71a75a5493c 100644
--- a/docker/lite/Dockerfile.percona80
+++ b/docker/lite/Dockerfile.percona80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona80"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.testing b/docker/lite/Dockerfile.testing
index 412d62300e5..b1ebbe3d9b6 100644
--- a/docker/lite/Dockerfile.testing
+++ b/docker/lite/Dockerfile.testing
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql57"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi7.mysql57 b/docker/lite/Dockerfile.ubi7.mysql57
index 8c164dec48f..e32a2977a9a 100644
--- a/docker/lite/Dockerfile.ubi7.mysql57
+++ b/docker/lite/Dockerfile.ubi7.mysql57
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql57"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi7.mysql80 b/docker/lite/Dockerfile.ubi7.mysql80
index c5d1b4b5f7f..6140d884bb8 100644
--- a/docker/lite/Dockerfile.ubi7.mysql80
+++ b/docker/lite/Dockerfile.ubi7.mysql80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi7.percona57 b/docker/lite/Dockerfile.ubi7.percona57
index 86b0db5ba49..744014255b2 100644
--- a/docker/lite/Dockerfile.ubi7.percona57
+++ b/docker/lite/Dockerfile.ubi7.percona57
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona57"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi7.percona80 b/docker/lite/Dockerfile.ubi7.percona80
index 4a28ec901cc..aa6a47fa9dd 100644
--- a/docker/lite/Dockerfile.ubi7.percona80
+++ b/docker/lite/Dockerfile.ubi7.percona80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-percona80"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi8.arm64.mysql80 b/docker/lite/Dockerfile.ubi8.arm64.mysql80
index dae4c4e0682..a9cdfaa52e3 100644
--- a/docker/lite/Dockerfile.ubi8.arm64.mysql80
+++ b/docker/lite/Dockerfile.ubi8.arm64.mysql80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}" AS builder
diff --git a/docker/lite/Dockerfile.ubi8.mysql80 b/docker/lite/Dockerfile.ubi8.mysql80
index 68ffa0f6949..ec2125fcba6 100644
--- a/docker/lite/Dockerfile.ubi8.mysql80
+++ b/docker/lite/Dockerfile.ubi8.mysql80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}" AS builder
diff --git a/docker/local/Dockerfile b/docker/local/Dockerfile
index 9acf7f362a5..52cb4048fe9 100644
--- a/docker/local/Dockerfile
+++ b/docker/local/Dockerfile
@@ -1,4 +1,4 @@
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-common"
 
 FROM "${image}"
diff --git a/docker/vttestserver/Dockerfile.mysql57 b/docker/vttestserver/Dockerfile.mysql57
index 539dfedd61b..00071c4d7f2 100644
--- a/docker/vttestserver/Dockerfile.mysql57
+++ b/docker/vttestserver/Dockerfile.mysql57
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql57"
 
 FROM "${image}" AS builder
diff --git a/docker/vttestserver/Dockerfile.mysql80 b/docker/vttestserver/Dockerfile.mysql80
index caa61f93dff..1ccd282f45b 100644
--- a/docker/vttestserver/Dockerfile.mysql80
+++ b/docker/vttestserver/Dockerfile.mysql80
@@ -17,7 +17,7 @@
 #       ensure images contain the right binaries.
 
 # Use a temporary layer for the build stage.
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-mysql80"
 
 FROM "${image}" AS builder
diff --git a/test.go b/test.go
index 7dada2198bf..ac927e2fd8d 100755
--- a/test.go
+++ b/test.go
@@ -77,7 +77,7 @@ For example:
 // Flags
 var (
 	flavor           = flag.String("flavor", "mysql57", "comma-separated bootstrap flavor(s) to run against (when using Docker mode). Available flavors: all,"+flavors)
-	bootstrapVersion = flag.String("bootstrap-version", "19", "the version identifier to use for the docker images")
+	bootstrapVersion = flag.String("bootstrap-version", "19.0", "the version identifier to use for the docker images")
 	runCount         = flag.Int("runs", 1, "run each test this many times")
 	retryMax         = flag.Int("retry", 3, "max number of retries, to detect flaky tests")
 	logPass          = flag.Bool("log-pass", false, "log test output even if it passes")
diff --git a/test/templates/cluster_endtoend_test.tpl b/test/templates/cluster_endtoend_test.tpl
index 8d7542696e2..fdd10e1784a 100644
--- a/test/templates/cluster_endtoend_test.tpl
+++ b/test/templates/cluster_endtoend_test.tpl
@@ -65,7 +65,7 @@ jobs:
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.5
+        go-version: 1.20.9
 
     - name: Set up python
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
diff --git a/test/templates/cluster_endtoend_test_docker.tpl b/test/templates/cluster_endtoend_test_docker.tpl
index a2e37e40e0d..89122765926 100644
--- a/test/templates/cluster_endtoend_test_docker.tpl
+++ b/test/templates/cluster_endtoend_test_docker.tpl
@@ -54,7 +54,7 @@ jobs:
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.5
+        go-version: 1.20.9
 
     - name: Tune the OS
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
diff --git a/test/templates/cluster_endtoend_test_mysql57.tpl b/test/templates/cluster_endtoend_test_mysql57.tpl
index b63081fd398..83b401fed5d 100644
--- a/test/templates/cluster_endtoend_test_mysql57.tpl
+++ b/test/templates/cluster_endtoend_test_mysql57.tpl
@@ -70,7 +70,7 @@ jobs:
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.5
+        go-version: 1.20.9
 
     - name: Set up python
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
diff --git a/test/templates/dockerfile.tpl b/test/templates/dockerfile.tpl
index d7ba49685d0..059f72ab1c9 100644
--- a/test/templates/dockerfile.tpl
+++ b/test/templates/dockerfile.tpl
@@ -1,4 +1,4 @@
-ARG bootstrap_version=19
+ARG bootstrap_version=19.0
 ARG image="vitess/bootstrap:${bootstrap_version}-{{.Platform}}"
 
 FROM "${image}"
diff --git a/test/templates/unit_test.tpl b/test/templates/unit_test.tpl
index a52e667c156..b6a2224fd02 100644
--- a/test/templates/unit_test.tpl
+++ b/test/templates/unit_test.tpl
@@ -62,7 +62,7 @@ jobs:
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.unit_tests == 'true'
       uses: actions/setup-go@v4
       with:
-        go-version: 1.20.5
+        go-version: 1.20.9
 
     - name: Set up python
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.unit_tests == 'true'