diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 94f5e275..83d5e625 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.25
+ARG GO_VERSION=1.26
 ARG DEBIAN_CODENAME=trixie
 
 FROM mcr.microsoft.com/devcontainers/go:${GO_VERSION}-${DEBIAN_CODENAME}
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8b91c178..301331bd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,7 +3,7 @@
     "build": {
         "dockerfile": "Dockerfile",
         "args": {
-            "GO_VERSION": "1.25",
+            "GO_VERSION": "1.26",
             "DEBIAN_CODENAME": "trixie",
             "PG_MAJOR": "16"
         }
diff --git a/Dockerfile b/Dockerfile
index ffe6bca2..56d46ba1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.8-bookworm AS builder
+FROM golang:1.26.5-bookworm AS builder
 WORKDIR /app
 COPY go.* ./
 RUN go mod download
diff --git a/go.mod b/go.mod
index 6d464ae4..e1756b90 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/data-preservation-programs/singularity
 
-go 1.25.8
+go 1.26.5
 
 require (
 	github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b