diff --git a/.github/workflows/build_daily.yaml b/.github/workflows/build_daily.yaml
index 7b14eb95916..021a3a0b10e 100644
--- a/.github/workflows/build_daily.yaml
+++ b/.github/workflows/build_daily.yaml
@@ -10,7 +10,7 @@ on:
 env:
   GOPROXY: https://proxy.golang.org/
   SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
-  GO_VERSION: 1.21.1
+  GO_VERSION: 1.21.3
 jobs:
   e2e-envoy-xds:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/prbuild.yaml b/.github/workflows/prbuild.yaml
index 7521801a63b..b679bebad46 100644
--- a/.github/workflows/prbuild.yaml
+++ b/.github/workflows/prbuild.yaml
@@ -11,7 +11,7 @@ on:
 env:
   GOPROXY: https://proxy.golang.org/
   SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
-  GO_VERSION: 1.21.1
+  GO_VERSION: 1.21.3
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/Makefile b/Makefile
index 92ab61c59a0..27f41d2ef5b 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ endif
 IMAGE_PLATFORMS ?= linux/amd64,linux/arm64
 
 # Base build image to use.
-BUILD_BASE_IMAGE ?= golang:1.21.1
+BUILD_BASE_IMAGE ?= golang:1.21.3
 
 # Enable build with CGO.
 BUILD_CGO_ENABLED ?= 0
diff --git a/changelogs/unreleased/5783-skriss-small.md b/changelogs/unreleased/5783-skriss-small.md
deleted file mode 100644
index 80d637776ba..00000000000
--- a/changelogs/unreleased/5783-skriss-small.md
+++ /dev/null
@@ -1 +0,0 @@
-Updates to Go 1.21.1. See the [Go release notes](https://go.dev/doc/devel/release#go1.21.minor) for more information.
\ No newline at end of file
diff --git a/changelogs/unreleased/5841-sunjayBhatia-small.md b/changelogs/unreleased/5841-sunjayBhatia-small.md
new file mode 100644
index 00000000000..4f254e3482d
--- /dev/null
+++ b/changelogs/unreleased/5841-sunjayBhatia-small.md
@@ -0,0 +1 @@
+Updates to Go 1.21.3. See the [Go release notes](https://go.dev/doc/devel/release#go1.21.minor) for more information.