diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 5dd9d215..8347ea0a 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -20,7 +20,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  NDK_VERSION: r26d
+  NDK_VERSION: r27d
   OPENSSL_VERSION: "3.0.15"
 
 jobs:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 34ad7456..16587565 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -22,7 +22,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  NDK_VERSION: r26d
+  NDK_VERSION: r27d
   OPENSSL_VERSION: "3.0.15"
 
 jobs:
diff --git a/app/build.gradle b/app/build.gradle
index 2b5a3af3..61557533 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,7 +7,7 @@ android {
     compileSdk 35
     // Pinned to what the toolchain image installs, so no build-tools are fetched at build time.
     buildToolsVersion "35.0.0"
-    ndkVersion "26.3.11579264"
+    ndkVersion "27.3.13750724"
 
     defaultConfig {
         applicationId "com.httrack.android"
diff --git a/app/src/main/jni/Application.mk b/app/src/main/jni/Application.mk
index 08db648a..c9d4b83d 100755
--- a/app/src/main/jni/Application.mk
+++ b/app/src/main/jni/Application.mk
@@ -8,5 +8,5 @@
 APP_ABI := arm64-v8a x86_64
 APP_PLATFORM := android-24
 
-# Play requires 16 KB-aligned LOAD segments at targetSdk 35+; r26d's lld still defaults to 4 KB.
+# Play requires 16 KB-aligned LOAD segments at targetSdk 35+; kept explicit though r27's lld defaults to 16 KB.
 APP_LDFLAGS := -Wl,-z,max-page-size=16384
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 043194d3..5739c268 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@
 #
 #   - JDK 17            (required by AGP 8.x)
 #   - Android cmdline-tools + platform 35 + build-tools 35
-#   - NDK r26d          (Clang, unified toolchain — replaces the r14/GCC hack)
+#   - NDK r27           (Clang, unified toolchain — replaces the r14/GCC hack)
 #   - OpenSSL 3.x static libs cross-compiled for arm64-v8a/x86_64
 #
 # Build:  docker build -t httrack-android-build docker/
@@ -16,7 +16,7 @@ FROM eclipse-temurin:17-jdk-jammy
 ARG ANDROID_CMDLINE_VERSION=11076708
 ARG ANDROID_PLATFORM=android-35
 ARG ANDROID_BUILD_TOOLS=35.0.0
-ARG NDK_VERSION=26.3.11579264
+ARG NDK_VERSION=27.3.13750724
 ARG OPENSSL_VERSION=3.0.15
 ARG OPENSSL_SHA256=23c666d0edf20f14249b3d8f0368acaee9ab585b09e1de82107c66e1f3ec9533