diff --git a/examples/_for-qa-lesson/ioservice-replacing-example/pom.xml b/examples/_for-qa-lesson/ioservice-replacing-example/pom.xml
index b413be12..cd2c5fcc 100644
--- a/examples/_for-qa-lesson/ioservice-replacing-example/pom.xml
+++ b/examples/_for-qa-lesson/ioservice-replacing-example/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.2.4</version>
+        <version>3.4.3</version>
         <relativePath/>
     </parent>
 	
diff --git a/examples/_for-qa-lesson/unit-testing-pure-spring-parallel/pom.xml b/examples/_for-qa-lesson/unit-testing-pure-spring-parallel/pom.xml
index 72125742..6f26718f 100644
--- a/examples/_for-qa-lesson/unit-testing-pure-spring-parallel/pom.xml
+++ b/examples/_for-qa-lesson/unit-testing-pure-spring-parallel/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.2.4</version>
+        <version>3.4.3</version>
         <relativePath/>
     </parent>
 
diff --git a/templates/hw01-xml-config/pom.xml b/templates/hw01-xml-config/pom.xml
index 6143c53c..e0e90f70 100644
--- a/templates/hw01-xml-config/pom.xml
+++ b/templates/hw01-xml-config/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>17</maven.compiler.target>
         <maven.compiler.source>17</maven.compiler.source>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>6.2.1</spring.version>
+        <spring.version>6.2.3</spring.version>
         <opencsv.version>5.9</opencsv.version>
         <junit.version>5.10.2</junit.version>
         <mockito.version>5.10.0</mockito.version>
diff --git a/templates/hw02-annotation-config/pom.xml b/templates/hw02-annotation-config/pom.xml
index fbcbcdab..1e13f378 100644
--- a/templates/hw02-annotation-config/pom.xml
+++ b/templates/hw02-annotation-config/pom.xml
@@ -13,7 +13,7 @@
         <maven.compiler.target>17</maven.compiler.target>
         <maven.compiler.source>17</maven.compiler.source>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>6.2.1</spring.version>
+        <spring.version>6.2.3</spring.version>
         <opencsv.version>5.9</opencsv.version>
         <junit.version>5.10.2</junit.version>
         <mockito.version>5.10.0</mockito.version>
diff --git a/templates/hw03-spring-boot/pom.xml b/templates/hw03-spring-boot/pom.xml
index 0d08db5e..41bf01f0 100644
--- a/templates/hw03-spring-boot/pom.xml
+++ b/templates/hw03-spring-boot/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.4.1</version>
+        <version>3.4.3</version>
         <relativePath/>
     </parent>