diff --git a/Dockerfile b/Dockerfile
index 9207717..6343d5c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -53,7 +53,7 @@ RUN cd /tmp/preinstall && \
 
 # Go
 # renovate: datasource=golang-version depName=go
-ARG GO_VERSION=1.26.3
+ARG GO_VERSION=1.26.4
 ENV PATH="/mise/installs/go/${GO_VERSION}/bin:$PATH"
 RUN mise use -g go@${GO_VERSION} && \
     ln -s /mise/installs/go/${GO_VERSION} /mise/installs/go/current
@@ -81,7 +81,7 @@ RUN mise use -g rust@${RUST_VERSION}
 
 # ---
 
-FROM golang:1.26.3-bookworm@sha256:386d475a660466863d9f8c766fec64d7fdad3edac2c6a05020c09534d71edb4b AS builder
+FROM golang:1.26.4-bookworm@sha256:5f68ec6805843bd3981a951ffada82a26a0bd2631045c8f7dba483fa868f5ec5 AS builder
 WORKDIR /src
 
 COPY go.mod go.sum ./
diff --git a/go.mod b/go.mod
index 7d6ab8a..3d69e83 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/codize-dev/sandbox
 
-go 1.26.3
+go 1.26.4
 
 require (
 	github.com/labstack/echo/v5 v5.1.1
diff --git a/internal/sandbox/defaults/go/go.mod.tmpl b/internal/sandbox/defaults/go/go.mod.tmpl
index 32acc58..7b7f3f4 100644
--- a/internal/sandbox/defaults/go/go.mod.tmpl
+++ b/internal/sandbox/defaults/go/go.mod.tmpl
@@ -1,5 +1,5 @@
 module sandbox
 
-go 1.26.3
+go 1.26.4
 
 require golang.org/x/text v0.34.0 // indirect
diff --git a/mise.toml b/mise.toml
index b15eea8..f6ae03d 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,5 +1,5 @@
 [tools]
-go = "1.26.3"
+go = "1.26.4"
 "aqua:golangci/golangci-lint" = "2.12.2"
 "aqua:evilmartians/lefthook" = "2.1.9"
 "aqua:hadolint/hadolint" = "2.14.0"