diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7e499bd..39257781 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: 1.21
+          go-version: 1.25
       - name: Test
         run: |
           make tests
diff --git a/Dockerfile b/Dockerfile
index 0bc4f5f0..38f98b1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.6-alpine3.19 AS builder
+FROM golang:1.25.4-alpine3.21 AS builder
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download
@@ -6,7 +6,7 @@ COPY cmd/gateway cmd/gateway
 COPY internal internal 
 RUN go build -o /gateway github.com/SwissDataScienceCenter/renku-gateway/cmd/gateway 
 
-FROM alpine:3.19
+FROM alpine:3.21
 USER 1000:1000
 COPY --from=builder /gateway /gateway
 ENTRYPOINT [ "/gateway" ]
diff --git a/go.mod b/go.mod
index f31a7ee5..71490006 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/SwissDataScienceCenter/renku-gateway
 
-go 1.21
+go 1.25
 
 require (
 	github.com/deepmap/oapi-codegen v1.16.2
@@ -83,7 +83,7 @@ require (
 	golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 // indirect
 	golang.org/x/mod v0.14.0 // indirect
 	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 	golang.org/x/term v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/tools v0.17.0 // indirect
diff --git a/go.sum b/go.sum
index 27a7d8be..21257f21 100644
--- a/go.sum
+++ b/go.sum
@@ -254,8 +254,8 @@ golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=