diff --git a/Dockerfile b/Dockerfile
index a34ed940a..b48711a09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ COPY frontend/ ./
 ARG RELEASE_VERSION=dev
 RUN echo "{\"VERSION\": \"${RELEASE_VERSION/-g/-}\"}" > src/version.json && pnpm run build
 
-FROM --platform=$BUILDPLATFORM ghcr.io/techknowlogick/xgo:go-1.25.x@sha256:57c62857168cee9213045d65044e990d8b181ed6df30ba7097d2dcddd42b9908 AS apibuilder
+FROM --platform=$BUILDPLATFORM ghcr.io/techknowlogick/xgo:go-1.26.x@sha256:57c62857168cee9213045d65044e990d8b181ed6df30ba7097d2dcddd42b9908 AS apibuilder
 
 RUN go install github.com/magefile/mage@latest && \
     mv /go/bin/mage /usr/local/go/bin
diff --git a/build/go.mod b/build/go.mod
index 17999956b..45061540f 100644
--- a/build/go.mod
+++ b/build/go.mod
@@ -1,5 +1,5 @@
 module code.vikunja.io/build
 
-go 1.25.0
+go 1.26.4
 
 require github.com/magefile/mage v1.17.2
diff --git a/go.mod b/go.mod
index 42d06905d..9de136e48 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@
 
 module code.vikunja.io/api
 
-go 1.25.7
+go 1.26.4
 
 require (
 	code.dny.dev/ssrf v0.2.0
diff --git a/mise.toml b/mise.toml
index 69d0f8a75..62e2626b8 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,4 +1,4 @@
 [tools]
 node = "24.18.0"  # keep in sync with frontend/.nvmrc
 pnpm = "10.28.1"  # keep in sync with frontend/package.json#packageManager
-go = "1.25.7"     # keep in sync with go.mod
+go = "1.26.4"     # keep in sync with go.mod
diff --git a/veans/go.mod b/veans/go.mod
index efde6c725..3a22b6a3a 100644
--- a/veans/go.mod
+++ b/veans/go.mod
@@ -1,6 +1,6 @@
 module code.vikunja.io/veans
 
-go 1.25.0
+go 1.26.4
 
 require (
 	github.com/charmbracelet/bubbletea v1.3.10