diff --git a/examples/simple_repeater/UITask.cpp b/examples/simple_repeater/UITask.cpp
index d096d14b..d1eae208 100644
--- a/examples/simple_repeater/UITask.cpp
+++ b/examples/simple_repeater/UITask.cpp
@@ -37,7 +37,8 @@ void UITask::begin(NodePrefs* node_prefs, const char* build_date, const char* fi
   }
 
   // v1.2.3 (1 Jan 2025)
-  sprintf(_version_info, "%s (%s)", version, build_date);
+  snprintf(_version_info, sizeof(_version_info), "%s (%s)", version, build_date);
+  free(version);
 }
 
 void UITask::renderCurrScreen() {
diff --git a/examples/simple_room_server/UITask.cpp b/examples/simple_room_server/UITask.cpp
index 46311c5e..a48cc6b3 100644
--- a/examples/simple_room_server/UITask.cpp
+++ b/examples/simple_room_server/UITask.cpp
@@ -37,7 +37,8 @@ void UITask::begin(NodePrefs* node_prefs, const char* build_date, const char* fi
   }
 
   // v1.2.3 (1 Jan 2025)
-  sprintf(_version_info, "%s (%s)", version, build_date);
+  snprintf(_version_info, sizeof(_version_info), "%s (%s)", version, build_date);
+  free(version);
 }
 
 void UITask::renderCurrScreen() {
diff --git a/examples/simple_sensor/UITask.cpp b/examples/simple_sensor/UITask.cpp
index 0694bc3c..e16c8266 100644
--- a/examples/simple_sensor/UITask.cpp
+++ b/examples/simple_sensor/UITask.cpp
@@ -37,7 +37,8 @@ void UITask::begin(NodePrefs* node_prefs, const char* build_date, const char* fi
   }
 
   // v1.2.3 (1 Jan 2025)
-  sprintf(_version_info, "%s (%s)", version, build_date);
+  snprintf(_version_info, sizeof(_version_info), "%s (%s)", version, build_date);
+  free(version);
 }
 
 void UITask::renderCurrScreen() {