diff --git a/Dockerfile b/Dockerfile
index 39619ee..dc2c54c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.25 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26 AS builder
 ENV CGO_ENABLED=0
 ENV GOTOOLCHAIN=auto
 WORKDIR /src
diff --git a/README.md b/README.md
index c440c88..d7282f9 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ The `authorization` header should no longer be set in the upstream response.
 
 ## Development
 
-Requires Go 1.25 and [mise](https://mise.jdx.dev/) installed.
+Requires Go 1.26 and [mise](https://mise.jdx.dev/) installed.
 
 Start up dependencies:
 
diff --git a/go.mod b/go.mod
index ef55b98..4e84545 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/nais/wonderwall
 
-go 1.25.7
+go 1.26.0
 
 tool (
 	github.com/sethvargo/ratchet
diff --git a/mise.toml b/mise.toml
index 4ee89b0..805c843 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,5 +1,5 @@
 [tools]
-go = "1.25.7"
+go = "1.26.0"
 
 [tasks.build]
 run = "go build -a -o bin/wonderwall ./cmd/wonderwall"