diff --git a/.devcontainer/keycloak/Dockerfile b/.devcontainer/keycloak/Dockerfile
index 92cfd38b..fbf3c094 100644
--- a/.devcontainer/keycloak/Dockerfile
+++ b/.devcontainer/keycloak/Dockerfile
@@ -1,12 +1,11 @@
 # https://www.keycloak.org/server/containers
-ARG KEYCLOAK_VERSION=25.0.6
+ARG KEYCLOAK_VERSION=26.0.0
 
-FROM alpine AS downloader
+# https://hub.docker.com/_/buildpack-deps
+FROM buildpack-deps:curl AS downloader
 ARG KEYCLOAK_VERSION
-RUN set -eux; \
-    apk add --no-cache curl; \
-    # https://github.com/jacekkow/keycloak-protocol-cas
-    curl -Lo /tmp/keycloak-protocol-cas.jar https://github.com/jacekkow/keycloak-protocol-cas/releases/download/${KEYCLOAK_VERSION}/keycloak-protocol-cas-${KEYCLOAK_VERSION}.jar;
+# https://github.com/jacekkow/keycloak-protocol-cas
+RUN curl -Lo /tmp/keycloak-protocol-cas.jar https://github.com/jacekkow/keycloak-protocol-cas/releases/download/${KEYCLOAK_VERSION}/keycloak-protocol-cas-${KEYCLOAK_VERSION}.jar;
 
 # https://github.com/keycloak/keycloak/tree/main/quarkus/container
 # https://quay.io/repository/keycloak/keycloak?tab=tags
diff --git a/samples/AspNetCoreReactSample/ClientApp/package.json b/samples/AspNetCoreReactSample/ClientApp/package.json
index 960029de..4a69d819 100644
--- a/samples/AspNetCoreReactSample/ClientApp/package.json
+++ b/samples/AspNetCoreReactSample/ClientApp/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "type": "module",
   "private": true,
-  "packageManager": "pnpm@9.11.0",
+  "packageManager": "pnpm@9.12.0",
   "scripts": {
     "prestart": "node aspnetcore-https && node aspnetcore-react",
     "start": "vite",
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.7.4",
-    "@types/react": "^18.3.10",
+    "@types/react": "^18.3.11",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.3.2",
     "eslint": "^9.11.1",
diff --git a/samples/AspNetCoreReactSample/ClientApp/pnpm-lock.yaml b/samples/AspNetCoreReactSample/ClientApp/pnpm-lock.yaml
index 4133229a..23ef68dc 100644
--- a/samples/AspNetCoreReactSample/ClientApp/pnpm-lock.yaml
+++ b/samples/AspNetCoreReactSample/ClientApp/pnpm-lock.yaml
@@ -43,8 +43,8 @@ importers:
         specifier: ^22.7.4
         version: 22.7.4
       '@types/react':
-        specifier: ^18.3.10
-        version: 18.3.10
+        specifier: ^18.3.11
+        version: 18.3.11
       '@types/react-dom':
         specifier: ^18.3.0
         version: 18.3.0
@@ -507,8 +507,8 @@ packages:
   '@types/react-dom@18.3.0':
     resolution: {integrity: sha512-EhwApuTmMBmXuFOikhQLIBUn6uFg81SwLMOAUgodJF14SOBOCMdU04gDoYi0WOJJHD144TL32z4yDqCW3dnkQg==}
 
-  '@types/react@18.3.10':
-    resolution: {integrity: sha512-02sAAlBnP39JgXwkAq3PeU9DVaaGpZyF3MGcC0MKgQVkZor5IiiDAipVaxQHtDJAmO4GIy/rVBy/LzVj76Cyqg==}
+  '@types/react@18.3.11':
+    resolution: {integrity: sha512-r6QZ069rFTjrEYgFdOck1gK7FLVsgJE7tTz0pQBczlBNUhBNk0MQH4UbnFSwjpQLMkLzgqvBBa+qGpLje16eTQ==}
 
   '@typescript-eslint/eslint-plugin@8.8.0':
     resolution: {integrity: sha512-wORFWjU30B2WJ/aXBfOm1LX9v9nyt9D3jsSOxC3cCaTQGCW5k4jNpmjFv3U7p/7s4yvdjHzwtv2Sd2dOyhjS0A==}
@@ -1678,9 +1678,9 @@ snapshots:
 
   '@types/react-dom@18.3.0':
     dependencies:
-      '@types/react': 18.3.10
+      '@types/react': 18.3.11
 
-  '@types/react@18.3.10':
+  '@types/react@18.3.11':
     dependencies:
       '@types/prop-types': 15.7.11
       csstype: 3.1.3