diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b47399a..d3f26de 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
   install-go-modules:
     strategy:
       matrix:
-        go: ["1.23.x", "1.22.x", "1.21.x"]
+        go: ["1.23.x", "1.22.x"]
 
     runs-on: ubuntu-latest
 
@@ -28,7 +28,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go: ["1.23.x", "1.22.x", "1.21.x"]
+        go: ["1.23.x", "1.22.x"]
     runs-on: ubuntu-latest
 
     steps:
@@ -62,7 +62,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.22.x"
+          go-version: "1.23.x"
 
       - name: Run coverage
         run: make coverage
@@ -76,7 +76,7 @@ jobs:
   dist:
     strategy:
       matrix:
-        go: ["1.23.x", "1.22.x", "1.21.x"]
+        go: ["1.23.x", "1.22.x"]
     runs-on: ubuntu-latest
     needs: test
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0146e84..f99e8f7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
 
       - name: Install nfpm, rpmbuild
         run: sudo make -f Makefile.tools nfpm-debian rpmbuild-debian
diff --git a/go.mod b/go.mod
index 2a32fec..f2c1b20 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/segmentio/chamber/v3
 
-go 1.21
+go 1.22
 
 require (
 	github.com/alessio/shellescape v1.4.2