diff --git a/.github/workflows/build_arm64-v8a.yml b/.github/workflows/build_arm64-v8a.yml
index 60e267a..7c39c43 100755
--- a/.github/workflows/build_arm64-v8a.yml
+++ b/.github/workflows/build_arm64-v8a.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   ANDROID_ABI: arm64-v8a
-  OPENSSL_VERSION: 3.3.2
+  OPENSSL_VERSION: 3.4.0
   ANDROID_NDK_VERSION: r20b
   WORK_PATH: /home/runner/work/openssl_for_android/openssl_for_android
 
diff --git a/.github/workflows/build_armeabi-v7a.yml b/.github/workflows/build_armeabi-v7a.yml
index 431333b..98de01c 100755
--- a/.github/workflows/build_armeabi-v7a.yml
+++ b/.github/workflows/build_armeabi-v7a.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   ANDROID_ABI: armeabi-v7a
-  OPENSSL_VERSION: 3.3.2
+  OPENSSL_VERSION: 3.4.0
   ANDROID_NDK_VERSION: r20b
   WORK_PATH: /home/runner/work/openssl_for_android/openssl_for_android
 
diff --git a/.github/workflows/build_x86.yml b/.github/workflows/build_x86.yml
index 9331bcb..71e4f90 100755
--- a/.github/workflows/build_x86.yml
+++ b/.github/workflows/build_x86.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   ANDROID_ABI: x86
-  OPENSSL_VERSION: 3.3.2
+  OPENSSL_VERSION: 3.4.0
   ANDROID_NDK_VERSION: r20b
   WORK_PATH: /home/runner/work/openssl_for_android/openssl_for_android
 
diff --git a/.github/workflows/build_x86_64.yml b/.github/workflows/build_x86_64.yml
index 8a05c24..78e4a2f 100755
--- a/.github/workflows/build_x86_64.yml
+++ b/.github/workflows/build_x86_64.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   ANDROID_ABI: x86_64
-  OPENSSL_VERSION: 3.3.2
+  OPENSSL_VERSION: 3.4.0
   ANDROID_NDK_VERSION: r20b
   WORK_PATH: /home/runner/work/openssl_for_android/openssl_for_android
 
diff --git a/README.md b/README.md
index 833503e..a8be2f7 100755
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ Added `-fPIC` to fix linking error.
 ## ChangeLog
 | Date      | Content                                                              |
 |-----------|----------------------------------------------------------------------|
+| 2024.10.23 | OpenSSL 3.4.0 |
 | 2024.09.04 | OpenSSL 3.3.2 |
 | 2024.06.05 | OpenSSL 3.3.1 |
 | 2024.04.10 | OpenSSL 3.3.0 |
diff --git a/openssl_build.sh b/openssl_build.sh
index 67b17cf..56bf3e5 100755
--- a/openssl_build.sh
+++ b/openssl_build.sh
@@ -2,10 +2,10 @@
 
 WORK_PATH=$(cd "$(dirname "$0")";pwd)
 ANDROID_NDK_PATH=${WORK_PATH}/android-ndk-r20b
-OPENSSL_SOURCES_PATH=${WORK_PATH}/openssl-3.3.2
+OPENSSL_SOURCES_PATH=${WORK_PATH}/openssl-3.4.0
 ANDROID_TARGET_API=$1
 ANDROID_TARGET_ABI=$2
-OUTPUT_PATH=${WORK_PATH}/openssl_3.3.2_${ANDROID_TARGET_ABI}
+OUTPUT_PATH=${WORK_PATH}/openssl_3.4.0_${ANDROID_TARGET_ABI}
 export CXXFLAGS="-fPIC"
 export CPPFLAGS="-DANDROID -fPIC"