diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c0aa08b0..5eacd051 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.25.x'
+          go-version: '1.26.x'
       - name: Build
         run: make build
       - name: Test
@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.25.x'
+          go-version: '1.26.x'
       - name: Install staticcheck
         run: go install honnef.co/go/tools/cmd/staticcheck@latest
       - uses: golangci/golangci-lint-action@v7
diff --git a/examples/drpc/go.mod b/examples/drpc/go.mod
index 0d9c3ac7..2ec44525 100644
--- a/examples/drpc/go.mod
+++ b/examples/drpc/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/examples/drpc
 
-go 1.19
+go 1.26.5
 
 require (
 	google.golang.org/protobuf v1.27.1
diff --git a/examples/grpc_and_drpc/go.mod b/examples/grpc_and_drpc/go.mod
index b1370bc4..a4523bb8 100644
--- a/examples/grpc_and_drpc/go.mod
+++ b/examples/grpc_and_drpc/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/examples/grpc_and_drpc
 
-go 1.19
+go 1.26.5
 
 require (
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
diff --git a/go.mod b/go.mod
index 203d681b..3f8303f8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc
 
-go 1.23.0
+go 1.26.5
 
 require (
 	github.com/stretchr/testify v1.10.0
diff --git a/internal/backcompat/go.mod b/internal/backcompat/go.mod
index 84c4d49b..fffe39db 100644
--- a/internal/backcompat/go.mod
+++ b/internal/backcompat/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/backcompat
 
-go 1.19
+go 1.26.5
 
 require (
 	github.com/zeebo/assert v1.3.0
diff --git a/internal/backcompat/newservice/go.mod b/internal/backcompat/newservice/go.mod
index a9e1e109..23db626d 100644
--- a/internal/backcompat/newservice/go.mod
+++ b/internal/backcompat/newservice/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/backcompat/newservice
 
-go 1.19
+go 1.26.5
 
 require storj.io/drpc/internal/backcompat v0.0.0-00010101000000-000000000000
 
diff --git a/internal/backcompat/newservicedefs/go.mod b/internal/backcompat/newservicedefs/go.mod
index bf1700b0..e7d23850 100644
--- a/internal/backcompat/newservicedefs/go.mod
+++ b/internal/backcompat/newservicedefs/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/backcompat/newservicedefs
 
-go 1.19
+go 1.26.5
 
 require (
 	google.golang.org/protobuf v1.27.1
diff --git a/internal/backcompat/oldservice/go.mod b/internal/backcompat/oldservice/go.mod
index e3db63a4..1d96e931 100644
--- a/internal/backcompat/oldservice/go.mod
+++ b/internal/backcompat/oldservice/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/backcompat/oldservice
 
-go 1.19
+go 1.26.5
 
 require storj.io/drpc/internal/backcompat v0.0.0-00010101000000-000000000000
 
diff --git a/internal/backcompat/oldservicedefs/go.mod b/internal/backcompat/oldservicedefs/go.mod
index 004040a1..f72b9874 100644
--- a/internal/backcompat/oldservicedefs/go.mod
+++ b/internal/backcompat/oldservicedefs/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/backcompat/oldservicedefs
 
-go 1.19
+go 1.26.5
 
 require (
 	github.com/gogo/protobuf v1.3.2
diff --git a/internal/backcompat/servicedefs/go.mod b/internal/backcompat/servicedefs/go.mod
index a882b112..f48d1a15 100644
--- a/internal/backcompat/servicedefs/go.mod
+++ b/internal/backcompat/servicedefs/go.mod
@@ -1,3 +1,3 @@
 module storj.io/drpc/internal/backcompat/servicedefs
 
-go 1.19
+go 1.26.5
diff --git a/internal/grpccompat/go.mod b/internal/grpccompat/go.mod
index b436a672..e7b973f7 100644
--- a/internal/grpccompat/go.mod
+++ b/internal/grpccompat/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/grpccompat
 
-go 1.23.0
+go 1.26.5
 
 require (
 	github.com/zeebo/assert v1.3.1
diff --git a/internal/integration/go.mod b/internal/integration/go.mod
index df019703..d6b45025 100644
--- a/internal/integration/go.mod
+++ b/internal/integration/go.mod
@@ -1,6 +1,6 @@
 module storj.io/drpc/internal/integration
 
-go 1.25.0
+go 1.26.5
 
 require (
 	github.com/gogo/protobuf v1.3.2