diff --git a/.github/workflows/cmake.yaml b/.github/workflows/cmake.yaml
index d4483580..ac56c2a8 100644
--- a/.github/workflows/cmake.yaml
+++ b/.github/workflows/cmake.yaml
@@ -12,7 +12,7 @@ jobs:
       matrix:
 
         os: [ ubuntu, macos, windows ]
-        qt: [ "5.15.2", "6.6.0" ]
+        qt: [ "5.15.2", "6.6.2" ]
 
         include:
         - os: ubuntu
@@ -44,7 +44,7 @@ jobs:
 
         exclude:
         - os: windows
-          qt: "6.6.0"
+          qt: "6.6.2"
             #winarch: win64_mingw
             #runs: windows-latest
 
@@ -80,7 +80,7 @@ jobs:
     - name: Configure
       # No YAML Multiline mechanism (>, |, \, >-, >+2 whatever) works as expected
       # Give up. Live with the long line
-      run: cmake -B ${{github.workspace}}/build -G "${{matrix.generator}}" -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DOPENSSL_ROOT_DIR=${{matrix.openssl_root}} --warn-uninitialized -DCMAKE_OSX_ARCHITECTURES=x86_64
+      run: cmake -B ${{github.workspace}}/build -G "${{matrix.generator}}" -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DOPENSSL_ROOT_DIR=${{matrix.openssl_root}} --warn-uninitialized -DCMAKE_OSX_ARCHITECTURES=x86_64 -DCMAKE_OSX_DEPLOYMENT_TARGET="10.15"
 
     - name: Build
       run: cmake --build ${{github.workspace}}/build -j 5 -v
diff --git a/release/build-mac.sh b/release/build-mac.sh
index d5680301..4771758b 100755
--- a/release/build-mac.sh
+++ b/release/build-mac.sh
@@ -65,13 +65,13 @@ OSSL_MAJOR="3"
 OSSL="openssl-3.1.5"
 XCA_DIR="$(cd `dirname $0`/.. && pwd)"
 TOP_DIR="`dirname $XCA_DIR`"
-QT_DIR="$TOP_DIR/6.6.0/macos"
+QT_DIR="$TOP_DIR/6.6.2/macos"
 
 BUILDDIR="$TOP_DIR/osx-release-dmg"
 BUILDDIR_APPSTORE="$TOP_DIR/osx-release-appstore"
 
 INSTALL_DIR="$TOP_DIR/install"
-SDK="10.15"
+SDK="11.0"
 JOBS=7
 
 cd $TOP_DIR
diff --git a/release/build-w64.sh b/release/build-w64.sh
index c7e944f9..7be3b21a 100644
--- a/release/build-w64.sh
+++ b/release/build-w64.sh
@@ -16,7 +16,7 @@ do_openssl() {
 OSSL="openssl-3.1.5"
 XCA_DIR="$(cd `dirname $0`/.. && pwd)"
 TOP_DIR="`dirname $XCA_DIR`"
-QT_DIR="$TOP_DIR/QT/6.6.0/mingw_64"
+QT_DIR="$TOP_DIR/QT/6.6.2/mingw_64"
 BUILDDIR="$TOP_DIR/w64-release"
 INSTALL_DIR="/c/OpenSSL"
 JOBS=7