diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/homeController.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/homeController.mustache
index e0ef79f7c28d..bb9eca2fa466 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/homeController.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/homeController.mustache
@@ -4,7 +4,7 @@ import org.springframework.context.annotation.Bean
 import org.springframework.stereotype.Controller
 import org.springframework.web.bind.annotation.RequestMapping
 {{#sourceDocumentationProvider}}
-import com.fasterxml.jackson.dataformat.yaml.YAMLMapper
+import {{jacksonPackage}}.dataformat.yaml.YAMLMapper
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.core.io.Resource
 import org.springframework.util.StreamUtils
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/buildGradle-sb4-Kts.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/buildGradle-sb4-Kts.mustache
index c9c5996d0e09..a18a859db71a 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/buildGradle-sb4-Kts.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/buildGradle-sb4-Kts.mustache
@@ -46,9 +46,10 @@ dependencies {
 
     implementation("com.google.code.findbugs:jsr305:3.0.2")
 {{#useJackson3}}
-    implementation("tools.jackson.dataformat:jackson-dataformat-yaml")
-    implementation("tools.jackson.dataformat:jackson-dataformat-xml")
-    implementation("tools.jackson.module:jackson-module-kotlin")
+    val jackson3Version = "3.1.0"
+    implementation("tools.jackson.dataformat:jackson-dataformat-yaml:$jackson3Version")
+    implementation("tools.jackson.dataformat:jackson-dataformat-xml:$jackson3Version")
+    implementation("tools.jackson.module:jackson-module-kotlin:$jackson3Version")
 {{/useJackson3}}
 {{^useJackson3}}
     implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml")
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/pom-sb4.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/pom-sb4.mustache
index 9d249a18caac..fc8eede4b8ad 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/pom-sb4.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/pom-sb4.mustache
@@ -11,7 +11,8 @@
         <swagger-ui.version>5.17.14</swagger-ui.version>{{/springDocDocumentationProvider}}{{/useSwaggerUI}}{{^springDocDocumentationProvider}}{{#swagger1AnnotationLibrary}}
         <swagger-annotations.version>1.6.6</swagger-annotations.version>{{/swagger1AnnotationLibrary}}{{#swagger2AnnotationLibrary}}
         <swagger-annotations.version>2.2.28</swagger-annotations.version>{{/swagger2AnnotationLibrary}}{{/springDocDocumentationProvider}}
-        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>
+        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>{{#useJackson3}}
+        <jackson3.version>3.1.0</jackson3.version>{{/useJackson3}}
         <jakarta-annotation.version>3.0.0</jakarta-annotation.version>
         <kotlin-test-junit5.version>2.2.0</kotlin-test-junit5.version>
 
@@ -158,22 +159,40 @@
             <artifactId>jsr305</artifactId>
             <version>${findbugs-jsr305.version}</version>
         </dependency>
+{{#useJackson3}}
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
-        </dependency>{{^useJackson3}}
+            <version>${jackson3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.module</groupId>
+            <artifactId>jackson-module-kotlin</artifactId>
+            <version>${jackson3.version}</version>
+        </dependency>
+{{/useJackson3}}{{^useJackson3}}
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
-        </dependency>{{/useJackson3}}
+        </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.module</groupId>
             <artifactId>jackson-module-kotlin</artifactId>
         </dependency>
+{{/useJackson3}}
 {{#useBeanValidation}}
         <!-- Bean Validation API support -->
         <dependency>
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/buildGradle-sb4-Kts.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/buildGradle-sb4-Kts.mustache
index 80d88024a89b..bf52cff383e6 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/buildGradle-sb4-Kts.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/buildGradle-sb4-Kts.mustache
@@ -54,9 +54,10 @@ dependencies {
 
     implementation("com.google.code.findbugs:jsr305:3.0.2")
 {{#useJackson3}}
-    implementation("tools.jackson.dataformat:jackson-dataformat-yaml")
-    implementation("tools.jackson.dataformat:jackson-dataformat-xml")
-    implementation("tools.jackson.module:jackson-module-kotlin")
+    val jackson3Version = "3.1.0"
+    implementation("tools.jackson.dataformat:jackson-dataformat-yaml:$jackson3Version")
+    implementation("tools.jackson.dataformat:jackson-dataformat-xml:$jackson3Version")
+    implementation("tools.jackson.module:jackson-module-kotlin:$jackson3Version")
 {{/useJackson3}}
 {{^useJackson3}}
     implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml")
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/pom-sb4.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/pom-sb4.mustache
index b2701ebf9635..8615b298bf3b 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/pom-sb4.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/pom-sb4.mustache
@@ -17,7 +17,8 @@
         </swagger-annotations.version>{{/swagger1AnnotationLibrary}}{{#swagger2AnnotationLibrary}}
         <swagger-annotations.version>2.2.28
         </swagger-annotations.version>{{/swagger2AnnotationLibrary}}{{/springDocDocumentationProvider}}
-        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>
+        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>{{#useJackson3}}
+        <jackson3.version>3.1.0</jackson3.version>{{/useJackson3}}
         <jakarta-annotation.version>3.0.0</jakarta-annotation.version>
         <kotlin-test-junit5.version>2.2.0</kotlin-test-junit5.version>
 
@@ -183,22 +184,40 @@
             <artifactId>spring-boot-starter-oauth2-client</artifactId>
         </dependency>
         {{/hasAuthMethods}}
+{{#useJackson3}}
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
-        </dependency>{{^useJackson3}}
+            <version>${jackson3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.module</groupId>
+            <artifactId>jackson-module-kotlin</artifactId>
+            <version>${jackson3.version}</version>
+        </dependency>
+{{/useJackson3}}{{^useJackson3}}
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
-        </dependency>{{/useJackson3}}
+        </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.module</groupId>
             <artifactId>jackson-module-kotlin</artifactId>
         </dependency>
+{{/useJackson3}}
 {{#useBeanValidation}}
         <!-- Bean Validation API support -->
         <dependency>
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/buildGradle-sb4-Kts.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/buildGradle-sb4-Kts.mustache
index bc05ca9c9cb3..72aa154c8a18 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/buildGradle-sb4-Kts.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/buildGradle-sb4-Kts.mustache
@@ -54,9 +54,10 @@ dependencies {
 
     implementation("com.google.code.findbugs:jsr305:3.0.2")
 {{#useJackson3}}
-    implementation("tools.jackson.dataformat:jackson-dataformat-yaml")
-    implementation("tools.jackson.dataformat:jackson-dataformat-xml")
-    implementation("tools.jackson.module:jackson-module-kotlin")
+    val jackson3Version = "3.1.0"
+    implementation("tools.jackson.dataformat:jackson-dataformat-yaml:$jackson3Version")
+    implementation("tools.jackson.dataformat:jackson-dataformat-xml:$jackson3Version")
+    implementation("tools.jackson.module:jackson-module-kotlin:$jackson3Version")
 {{/useJackson3}}
 {{^useJackson3}}
     implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml")
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/pom-sb4.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/pom-sb4.mustache
index d46488af57e1..4ce93ab8e4dd 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/pom-sb4.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-declarative-http-interface/pom-sb4.mustache
@@ -17,7 +17,8 @@
         </swagger-annotations.version>{{/swagger1AnnotationLibrary}}{{#swagger2AnnotationLibrary}}
         <swagger-annotations.version>2.2.28
         </swagger-annotations.version>{{/swagger2AnnotationLibrary}}{{/springDocDocumentationProvider}}
-        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>
+        <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>{{#useJackson3}}
+        <jackson3.version>3.1.0</jackson3.version>{{/useJackson3}}
         <jakarta-annotation.version>3.0.0</jakarta-annotation.version>
         <kotlin-test-junit5.version>2.2.0</kotlin-test-junit5.version>
 
@@ -179,22 +180,40 @@
             <artifactId>spring-boot-starter-oauth2-client</artifactId>
         </dependency>
         {{/hasAuthMethods}}
+{{#useJackson3}}
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
-        </dependency>{{^useJackson3}}
+            <version>${jackson3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.module</groupId>
+            <artifactId>jackson-module-kotlin</artifactId>
+            <version>${jackson3.version}</version>
+        </dependency>
+{{/useJackson3}}{{^useJackson3}}
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>{{jacksonPackage}}.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
-        </dependency>{{/useJackson3}}
+        </dependency>
         <dependency>
             <groupId>{{jacksonPackage}}.module</groupId>
             <artifactId>jackson-module-kotlin</artifactId>
         </dependency>
+{{/useJackson3}}
 {{#useBeanValidation}}
         <!-- Bean Validation API support -->
         <dependency>
diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/spring/KotlinSpringServerCodegenTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/spring/KotlinSpringServerCodegenTest.java
index dc250555135b..3bbfc319ba93 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/spring/KotlinSpringServerCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/spring/KotlinSpringServerCodegenTest.java
@@ -4825,6 +4825,42 @@ public void shouldGenerateSpringBoot4PomWithJackson3Deps() throws IOException {
         assertFileNotContains(pomPath, "com.fasterxml.jackson.module");
     }
 
+    @Test
+    public void shouldGenerateJackson3BuildDepsWithVersions() throws IOException {
+        File output = Files.createTempDirectory("test").toFile().getCanonicalFile();
+        output.deleteOnExit();
+        String outputPath = output.getAbsolutePath().replace('\\', '/');
+
+        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/petstore.yaml");
+        final KotlinSpringServerCodegen codegen = new KotlinSpringServerCodegen();
+        codegen.setOpenAPI(openAPI);
+        codegen.setOutputDir(output.getAbsolutePath());
+
+        codegen.additionalProperties().put(KotlinSpringServerCodegen.USE_SPRING_BOOT4, "true");
+        codegen.additionalProperties().put(AbstractKotlinCodegen.USE_JACKSON_3, "true");
+        codegen.additionalProperties().put(DOCUMENTATION_PROVIDER, DocumentationProvider.NONE.toCliOptValue());
+        codegen.additionalProperties().put(ANNOTATION_LIBRARY, AnnotationLibrary.NONE.toCliOptValue());
+
+        ClientOptInput input = new ClientOptInput();
+        input.openAPI(openAPI);
+        input.config(codegen);
+
+        DefaultGenerator generator = new DefaultGenerator();
+        generator.setGenerateMetadata(false);
+        generator.opts(input).generate();
+
+        // Gradle build file must have Jackson 3 deps with explicit versions
+        Path gradlePath = Paths.get(outputPath + "/build.gradle.kts");
+        assertFileContains(gradlePath, "tools.jackson.dataformat:jackson-dataformat-yaml:");
+        assertFileContains(gradlePath, "tools.jackson.module:jackson-module-kotlin:");
+        // Should NOT include non-existent tools.jackson.core:jackson-annotations
+        assertFileNotContains(gradlePath, "tools.jackson.core:jackson-annotations");
+
+        // Annotations stay in com.fasterxml.jackson.annotation even with Jackson 3
+        Path petModelPath = Paths.get(outputPath + "/src/main/kotlin/org/openapitools/model/Pet.kt");
+        assertFileContains(petModelPath, "com.fasterxml.jackson.annotation.JsonProperty");
+    }
+
     @Test
     public void shouldDefaultToJackson3WhenSpringBoot4Enabled() throws IOException {
         File output = Files.createTempDirectory("test").toFile().getCanonicalFile();
diff --git a/samples/server/petstore/kotlin-springboot-4/build.gradle.kts b/samples/server/petstore/kotlin-springboot-4/build.gradle.kts
index 3459856672ac..e33832d4074e 100644
--- a/samples/server/petstore/kotlin-springboot-4/build.gradle.kts
+++ b/samples/server/petstore/kotlin-springboot-4/build.gradle.kts
@@ -29,9 +29,10 @@ dependencies {
         implementation("org.springframework.boot:spring-boot-starter-webmvc")
 
     implementation("com.google.code.findbugs:jsr305:3.0.2")
-    implementation("tools.jackson.dataformat:jackson-dataformat-yaml")
-    implementation("tools.jackson.dataformat:jackson-dataformat-xml")
-    implementation("tools.jackson.module:jackson-module-kotlin")
+    val jackson3Version = "3.1.0"
+    implementation("tools.jackson.dataformat:jackson-dataformat-yaml:$jackson3Version")
+    implementation("tools.jackson.dataformat:jackson-dataformat-xml:$jackson3Version")
+    implementation("tools.jackson.module:jackson-module-kotlin:$jackson3Version")
     implementation("org.springframework.data:spring-data-commons")
     implementation("jakarta.validation:jakarta.validation-api")
     implementation("jakarta.annotation:jakarta.annotation-api:3.0.0")
diff --git a/samples/server/petstore/kotlin-springboot-4/pom.xml b/samples/server/petstore/kotlin-springboot-4/pom.xml
index 3ce44dbf761c..e7f8c70c453e 100644
--- a/samples/server/petstore/kotlin-springboot-4/pom.xml
+++ b/samples/server/petstore/kotlin-springboot-4/pom.xml
@@ -7,6 +7,7 @@
     <version>1.0.0</version>
     <properties>
         <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>
+        <jackson3.version>3.1.0</jackson3.version>
         <jakarta-annotation.version>3.0.0</jakarta-annotation.version>
         <kotlin-test-junit5.version>2.2.0</kotlin-test-junit5.version>
 
@@ -101,14 +102,17 @@
         <dependency>
             <groupId>tools.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <dependency>
             <groupId>tools.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <dependency>
             <groupId>tools.jackson.module</groupId>
             <artifactId>jackson-module-kotlin</artifactId>
+            <version>${jackson3.version}</version>
         </dependency>
         <!-- Bean Validation API support -->
         <dependency>