diff --git a/go/.devcontainer/Dockerfile b/go/.devcontainer/Dockerfile
index a1ca4b5..72b1aa7 100644
--- a/go/.devcontainer/Dockerfile
+++ b/go/.devcontainer/Dockerfile
@@ -1,9 +1,10 @@
-FROM golang:1.25
+FROM golang:1.26-bookworm
 
-RUN apt-get update && apt-get install -y build-essential
+RUN apt-get update \
+    && apt-get install -y build-essential \
+    && rm -rf /var/lib/apt/lists/*
 
 ARG USERNAME=developer
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID
 RUN groupadd --gid $USER_GID $USERNAME && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME
-USER $USERNAME
diff --git a/go/.devcontainer/devcontainer.json b/go/.devcontainer/devcontainer.json
index 3f36777..933cbe5 100644
--- a/go/.devcontainer/devcontainer.json
+++ b/go/.devcontainer/devcontainer.json
@@ -3,11 +3,14 @@
     "build": {
         "dockerfile": "Dockerfile"
     },
-    "postCreateCommand": "go install github.com/go-delve/delve/cmd/dlv@latest && go install github.com/cweill/gotests/gotests@v1.6.0 && go install golang.org/x/tools/gopls@latest && go install golang.org/x/tools/cmd/goimports@latest && go install honnef.co/go/tools/cmd/staticcheck@latest",
+    "postCreateCommand": "go install github.com/go-delve/delve/cmd/dlv@latest && go install github.com/cweill/gotests/gotests@v1.9.0 && go install golang.org/x/tools/gopls@latest && go install golang.org/x/tools/cmd/goimports@latest && go install honnef.co/go/tools/cmd/staticcheck@latest",
     "customizations": {
         "vscode": { "extensions": [
             "golang.go",
-            "gruntfuggly.todo-tree"
+            "gruntfuggly.todo-tree",
+            "-github.copilot"
         ]}
-    }
+    },
+    "remoteUser": "developer",
+    "updateRemoteUserUID": true
 }
diff --git a/go/.vscode/settings.json b/go/.vscode/settings.json
index bb689c0..bfba8e3 100644
--- a/go/.vscode/settings.json
+++ b/go/.vscode/settings.json
@@ -1,8 +1,12 @@
 {
+    "chat.disableAIFeatures": true,
+    "terminal.integrated.env.linux": {
+        "EDITOR": "code --wait"
+    },
     "terminal.integrated.profiles.linux": {
         "bash": {
             "path": "bash",
             "icon": "terminal-bash"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/go/00-hello-world/go.mod b/go/00-hello-world/go.mod
index 42919e7..d565f37 100644
--- a/go/00-hello-world/go.mod
+++ b/go/00-hello-world/go.mod
@@ -1,3 +1,3 @@
-module gitty.informatik.hs-mannheim.de/steger/pr3-ws202526/go/00-hello-world/hello-world
+module gitty.informatik.th-mannheim.de/steger/pr3-sose2026/go/00-hello-world/hello-world
 
-go 1.25.0
+go 1.26.0