diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 3ae12d1..da2ac96 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -20,7 +20,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v4
       with:
-        go-version: 1.22.x
+        go-version: 1.23.x
 
     - name: Prepare release
       run: |
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 0776fef..7a3544a 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -12,7 +12,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.19.x, 1.21.x, 1.22.x] # oldest version that can build go mock and official supported go versions
+        go-version: [1.22.x, 1.23.x] # oldest version that can build go mock and official supported go versions
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/go.mod b/go.mod
index 9bc7fad..931eb94 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module go.uber.org/mock
 
-go 1.19
+go 1.22
 
 require (
 	golang.org/x/mod v0.18.0
diff --git a/go.sum b/go.sum
index 00a4009..0f174d4 100644
--- a/go.sum
+++ b/go.sum
@@ -3,5 +3,6 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
 golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
 golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
 golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
diff --git a/mockgen/internal/tests/generics/go.mod b/mockgen/internal/tests/generics/go.mod
index cffe722..306a247 100644
--- a/mockgen/internal/tests/generics/go.mod
+++ b/mockgen/internal/tests/generics/go.mod
@@ -1,6 +1,6 @@
 module go.uber.org/mock/mockgen/internal/tests/generics
 
-go 1.19
+go 1.22
 
 replace go.uber.org/mock => ../../../..
 
diff --git a/mockgen/internal/tests/typed/go.mod b/mockgen/internal/tests/typed/go.mod
index 67403cf..d414341 100644
--- a/mockgen/internal/tests/typed/go.mod
+++ b/mockgen/internal/tests/typed/go.mod
@@ -1,6 +1,6 @@
 module go.uber.org/mock/mockgen/internal/tests/typed
 
-go 1.19
+go 1.22
 
 replace go.uber.org/mock => ../../../..
 
diff --git a/tools/go.mod b/tools/go.mod
index 8cbd354..c23f406 100644
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -1,6 +1,6 @@
 module github.com/uber-go/mock/tools
 
-go 1.19
+go 1.22
 
 require github.com/stretchr/testify v1.9.0