diff --git a/.github/workflows/builds_desktop.yml b/.github/workflows/builds_desktop.yml
index 600fea7..9c76be5 100644
--- a/.github/workflows/builds_desktop.yml
+++ b/.github/workflows/builds_desktop.yml
@@ -15,7 +15,7 @@ on:
 env:
   APP_NAME: "QmlAppTemplate"
   APP_VERSION: "0.7"
-  QT_VERSION: "6.7.0"
+  QT_VERSION: "6.6.3"
 
 #-------------------------------------------------------------------------------
 # Workflow jobs
diff --git a/.github/workflows/builds_desktop_cmake.yml b/.github/workflows/builds_desktop_cmake.yml
index 7364e6a..d17e26b 100644
--- a/.github/workflows/builds_desktop_cmake.yml
+++ b/.github/workflows/builds_desktop_cmake.yml
@@ -15,7 +15,7 @@ on:
 env:
   APP_NAME: "QmlAppTemplate"
   APP_VERSION: "0.7"
-  QT_VERSION: "6.7.0"
+  QT_VERSION: "6.6.3"
 
 #-------------------------------------------------------------------------------
 # Workflow jobs
diff --git a/.github/workflows/builds_mobile.yml b/.github/workflows/builds_mobile.yml
index ae3b197..5dbf491 100644
--- a/.github/workflows/builds_mobile.yml
+++ b/.github/workflows/builds_mobile.yml
@@ -15,7 +15,7 @@ on:
 env:
   APP_NAME: "QmlAppTemplate"
   APP_VERSION: "0.7"
-  QT_VERSION: "6.7.0"
+  QT_VERSION: "6.6.3"
 
 #-------------------------------------------------------------------------------
 # Workflow jobs
diff --git a/.github/workflows/builds_mobile_cmake.yml b/.github/workflows/builds_mobile_cmake.yml
index 3d54723..e342e26 100644
--- a/.github/workflows/builds_mobile_cmake.yml
+++ b/.github/workflows/builds_mobile_cmake.yml
@@ -15,7 +15,7 @@ on:
 env:
   APP_NAME: "QmlAppTemplate"
   APP_VERSION: "0.7"
-  QT_VERSION: "6.7.0"
+  QT_VERSION: "6.6.3"
 
 #-------------------------------------------------------------------------------
 # SECRETS