diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d76bb2cd..74fe750f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -69,17 +69,17 @@ on:
       - '**/COPYING'
 
 env:
-  qt_version: 5.15.15
+  qt_version: 5.15.16
   qt6_version: 6.3.1
-  openssl_version: 3.3.2
+  openssl_version: 3.4.0
   ghSsl_user: xanasoft
   ghSsl_repo: openssl-builds
   #ghQt6Win7_user: DavidXanatos
   #ghQt6Win7_repo: qtbase
   ghQtBuilds_user: xanasoft
   ghQtBuilds_repo: qt-builds
-  ghQtBuilds_hash_x86: 0dc0048be815eeaa76bcdd2d02e7028d21cc75fd7f4fb65445d3adf37b4a75bb
-  ghQtBuilds_hash_x64: bae6773292ad187aad946854766344c4bd24245359404636b3a1b13d9ae6a97e
+  ghQtBuilds_hash_x86: 502e9a36a52918af4e116cd74c16c6c260d029087aaeee3775ab0e5d3f6a2705
+  ghQtBuilds_hash_x64: 673c288feeabd11ec66f9f454d49cde3945cbd3e3f71283b7a6c4df0893b19f2
 
 jobs:
   Build_x64:
diff --git a/Installer/copy_build.cmd b/Installer/copy_build.cmd
index 5b12b58e..aa0de42c 100644
--- a/Installer/copy_build.cmd
+++ b/Installer/copy_build.cmd
@@ -1,9 +1,9 @@
 REM @ECHO OFF
 
 echo %*
-IF "%~4" == "" ( set "openssl_version=3.3.2" ) ELSE ( set "openssl_version=%~4" )
+IF "%~4" == "" ( set "openssl_version=3.4.0" ) ELSE ( set "openssl_version=%~4" )
 IF "%~3" == "" ( set "qt6_version=6.3.1" ) ELSE ( set "qt6_version=%~3" )
-IF "%~2" == "" ( set "qt_version=5.15.15" ) ELSE ( set "qt_version=%~2" )
+IF "%~2" == "" ( set "qt_version=5.15.16" ) ELSE ( set "qt_version=%~2" )
 
 IF "%openssl_version:~0,3%" == "1.1" ( set "sslMajorVersion=1_1" ) ELSE ( set "sslMajorVersion=3" )
 
diff --git a/Installer/fix_qt5_languages.cmd b/Installer/fix_qt5_languages.cmd
index 0ee950ec..f82a617a 100644
--- a/Installer/fix_qt5_languages.cmd
+++ b/Installer/fix_qt5_languages.cmd
@@ -1,6 +1,6 @@
 echo %*
 IF "%~3" == "" ( set "qt6_version=6.3.1" ) ELSE ( set "qt6_version=%~3" )
-IF "%~2" == "" ( set "qt_version=5.15.15" ) ELSE ( set "qt_version=%~2" )
+IF "%~2" == "" ( set "qt_version=5.15.16" ) ELSE ( set "qt_version=%~2" )
 
 if %1 == x64 if exist %~dp0..\..\Qt\%qt_version%\msvc2019_64\bin\lrelease.exe set PATH=%PATH%;%~dp0..\..\Qt\%qt_version%\msvc2019_64\bin\
 if %1 == Win32 if exist %~dp0..\..\Qt\%qt_version%\msvc2019\bin\lrelease.exe set PATH=%PATH%;%~dp0..\..\Qt\%qt_version%\msvc2019\bin\
diff --git a/Installer/get_openssl.cmd b/Installer/get_openssl.cmd
index b54f3520..4b71ec2d 100644
--- a/Installer/get_openssl.cmd
+++ b/Installer/get_openssl.cmd
@@ -1,7 +1,7 @@
 echo %*
 IF "%~3" == "" ( set "ghSsl_repo=openssl-builds" ) ELSE ( set "ghSsl_repo=%~3" )
 IF "%~2" == "" ( set "ghSsl_user=xanasoft" ) ELSE ( set "ghSsl_user=%~2" )
-IF "%~1" == "" ( set "openssl_version=3.3.2" ) ELSE ( set "openssl_version=%~1" )
+IF "%~1" == "" ( set "openssl_version=3.4.0" ) ELSE ( set "openssl_version=%~1" )
 
 set "openssl_version_underscore=%openssl_version:.=_%"
 
diff --git a/SandboxiePlus/install_qt.cmd b/SandboxiePlus/install_qt.cmd
index 1cfc18f8..9f09f9ce 100644
--- a/SandboxiePlus/install_qt.cmd
+++ b/SandboxiePlus/install_qt.cmd
@@ -1,10 +1,10 @@
 echo %*
-IF "%~7" == "" ( set "ghQtBuilds_hash_x64=bae6773292ad187aad946854766344c4bd24245359404636b3a1b13d9ae6a97e" ) ELSE ( set "ghQtBuilds_hash_x64=%~7" )
-IF "%~6" == "" ( set "ghQtBuilds_hash_x86=0dc0048be815eeaa76bcdd2d02e7028d21cc75fd7f4fb65445d3adf37b4a75bb" ) ELSE ( set "ghQtBuilds_hash_x86=%~6" )
+IF "%~7" == "" ( set "ghQtBuilds_hash_x64=673c288feeabd11ec66f9f454d49cde3945cbd3e3f71283b7a6c4df0893b19f2" ) ELSE ( set "ghQtBuilds_hash_x64=%~7" )
+IF "%~6" == "" ( set "ghQtBuilds_hash_x86=502e9a36a52918af4e116cd74c16c6c260d029087aaeee3775ab0e5d3f6a2705" ) ELSE ( set "ghQtBuilds_hash_x86=%~6" )
 IF "%~5" == "" ( set "ghQtBuilds_repo=qt-builds" ) ELSE ( set "ghQtBuilds_repo=%~5" )
 IF "%~4" == "" ( set "ghQtBuilds_user=xanasoft" ) ELSE ( set "ghQtBuilds_user=%~4" )
 IF "%~3" == "" ( set "qt6_version=6.3.1" ) ELSE ( set "qt6_version=%~3" )
-IF "%~2" == "" ( set "qt_version=5.15.15" ) ELSE ( set "qt_version=%~2" )
+IF "%~2" == "" ( set "qt_version=5.15.16" ) ELSE ( set "qt_version=%~2" )
 
 if %1 == Win32 (
     if exist %~dp0..\..\Qt\%qt_version%\msvc2019\bin\qmake.exe goto done
diff --git a/SandboxiePlus/qmake_plus.cmd b/SandboxiePlus/qmake_plus.cmd
index 5b767a19..c8ac5427 100644
--- a/SandboxiePlus/qmake_plus.cmd
+++ b/SandboxiePlus/qmake_plus.cmd
@@ -7,7 +7,7 @@ REM echo qt6_version: %3
 
 echo %*
 IF "%~3" == "" ( set "qt6_version=6.3.1" ) ELSE ( set "qt6_version=%~3" )
-IF "%~2" == "" ( set "qt_version=5.15.15" ) ELSE ( set "qt_version=%~2" )
+IF "%~2" == "" ( set "qt_version=5.15.16" ) ELSE ( set "qt_version=%~2" )
 
 IF %1 == Win32 (
   set qt_path=%~dp0..\..\Qt\%qt_version%\msvc2019