diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index cfb18e2..f91fac1 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: 1.19
+        go-version: 1.21
     - name: Check out code
       uses: actions/checkout@v3
     - name: Build
diff --git a/.gitignore b/.gitignore
index ab1e4a1..220e77e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ alive
 ready
 debug
 mittens
+oryxBuildBinary
 
 website/translated_docs
 website/build/
diff --git a/Dockerfile b/Dockerfile
index 70202b4..d631f67 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19 as builder
+FROM golang:1.21 as builder
 # Create required dirs and copy files
 RUN mkdir -p /mittens
 COPY ./ /mittens/
diff --git a/README.md b/README.md
index aa7bc5e..6af667e 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ We provide a [Makefile](Makefile) which can be used to generate an executable bi
 
 ### Binary
 
-To build the binary make sure you've installed [Go 1.19](https://golang.org/dl/).
+To build the binary make sure you've installed [Go 1.21](https://golang.org/dl/).
 
 #### Build binary executable & run tests
 
diff --git a/docs/installation/building.md b/docs/installation/building.md
index 623eab9..09e4499 100644
--- a/docs/installation/building.md
+++ b/docs/installation/building.md
@@ -8,7 +8,7 @@ We provide a [Makefile](https://github.com/ExpediaGroup/mittens/blob/main/Makefi
 
 ### Binary
 
-To build the binary make sure you've installed [Go 1.19](https://golang.org/dl/).
+To build the binary make sure you've installed [Go 1.21](https://golang.org/dl/).
 
 #### Build binary executable & run unit tests
 
diff --git a/go.mod b/go.mod
index e3a679f..fad9035 100644
--- a/go.mod
+++ b/go.mod
@@ -21,4 +21,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-go 1.19
+go 1.21