diff --git a/build.gradle b/build.gradle
index 5c0bc9741..303f6fad9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -506,7 +506,7 @@ dependencies {
     implementation "com.drewnoakes:metadata-extractor:2.19.0"
 
     implementation "commons-io:commons-io:2.19.0"
-    implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0"
+    implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.6"
     //general PDF
 
     // https://mvnrepository.com/artifact/com.opencsv/opencsv
diff --git a/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java b/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java
index a7dd8a0ec..6df02f24d 100644
--- a/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java
@@ -51,7 +51,7 @@ public class PipelineController {
         this.postHogService = postHogService;
     }
 
-    @PostMapping("/handleData")
+    @PostMapping(value = "/handleData", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
     public ResponseEntity<byte[]> handleData(@ModelAttribute HandleDataRequest request)
             throws JsonMappingException, JsonProcessingException {
         MultipartFile[] files = request.getFileInput();
diff --git a/src/main/java/stirling/software/SPDF/controller/api/security/ValidateSignatureController.java b/src/main/java/stirling/software/SPDF/controller/api/security/ValidateSignatureController.java
index 4b4da4bdd..400bdf44a 100644
--- a/src/main/java/stirling/software/SPDF/controller/api/security/ValidateSignatureController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/security/ValidateSignatureController.java
@@ -22,6 +22,7 @@ import org.bouncycastle.cms.SignerInformationStore;
 import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
 import org.bouncycastle.util.Store;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -58,7 +59,7 @@ public class ValidateSignatureController {
             description =
                     "Validates the digital signatures in a PDF file against default or custom"
                             + " certificates. Input:PDF Output:JSON Type:SISO")
-    @PostMapping(value = "/validate-signature")
+    @PostMapping(value = "/validate-signature", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
     public ResponseEntity<List<SignatureValidationResult>> validateSignature(
             @ModelAttribute SignatureValidationRequest request) throws IOException {
         List<SignatureValidationResult> results = new ArrayList<>();
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFFile.java b/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
index 685621904..930f9b0ff 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
@@ -6,10 +6,12 @@ import io.swagger.v3.oas.annotations.media.Schema;
 
 import lombok.Data;
 import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
 @EqualsAndHashCode
 public class PDFFile {
-    @Schema(description = "The input PDF file")
+    @Schema(description = "The input PDF file", format = "binary")
     private MultipartFile fileInput;
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 9f58a93c6..d7d074223 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -39,5 +39,6 @@ server.servlet.session.timeout:30m
 springdoc.api-docs.path=/v1/api-docs
 # Set the URL of the OpenAPI JSON for the Swagger UI
 springdoc.swagger-ui.url=/v1/api-docs
+springdoc.swagger-ui.path=/index.html
 posthog.api.key=phc_fiR65u5j6qmXTYL56MNrLZSWqLaDW74OrZH0Insd2xq
-posthog.host=https://eu.i.posthog.com
\ No newline at end of file
+posthog.host=https://eu.i.posthog.com