diff --git a/build.gradle b/build.gradle
index c66dd8a4..c299587f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,6 +13,11 @@ import com.github.jk1.license.render.*
 
 ext {
     springBootVersion = "3.3.2"
+    pdfboxVersion = "3.0.3"
+    logbackVersion = "1.5.7"
+    imageioVersion = "3.11.0"
+    lombokVersion = "1.18.34"
+    bouncycastleVersion = "1.78.1"	
 }
 
 group = "stirling.software"
@@ -101,8 +106,8 @@ tasks.wrapper {
 
 dependencies {
     //security updates
-    implementation "ch.qos.logback:logback-classic:1.5.7"
-    implementation "ch.qos.logback:logback-core:1.5.7"
+    implementation "ch.qos.logback:logback-classic:$logbackVersion"
+    implementation "ch.qos.logback:logback-core:$logbackVersion"
     implementation "org.springframework:spring-webmvc:6.1.12"
 
     implementation("io.github.pixee:java-security-toolkit:1.2.0")
@@ -135,22 +140,22 @@ dependencies {
     implementation "org.apache.xmlgraphics:batik-all:1.17"
 
     // TwelveMonkeys
-    implementation "com.twelvemonkeys.imageio:imageio-batik:3.11.0"
-    implementation "com.twelvemonkeys.imageio:imageio-bmp:3.11.0"
-    // implementation "com.twelvemonkeys.imageio:imageio-hdr:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-icns:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-iff:3.10.1"
-    implementation "com.twelvemonkeys.imageio:imageio-jpeg:3.11.0"
-    // implementation "com.twelvemonkeys.imageio:imageio-pcx:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-pict:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-pnm:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-psd:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-sgi:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-tga:3.10.1"
-    // implementation "com.twelvemonkeys.imageio:imageio-thumbsdb:3.10.1"
-    implementation "com.twelvemonkeys.imageio:imageio-tiff:3.11.0"
-    implementation "com.twelvemonkeys.imageio:imageio-webp:3.11.0"
-    // implementation "com.twelvemonkeys.imageio:imageio-xwd:3.10.1"
+    implementation "com.twelvemonkeys.imageio:imageio-batik:$imageioVersion"
+    implementation "com.twelvemonkeys.imageio:imageio-bmp:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-hdr:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-icns:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-iff:$imageioVersion"
+    implementation "com.twelvemonkeys.imageio:imageio-jpeg:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-pcx:$imageioVersion@
+    // implementation "com.twelvemonkeys.imageio:imageio-pict:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-pnm:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-psd:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-sgi:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-tga:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-thumbsdb:$imageioVersion"
+    implementation "com.twelvemonkeys.imageio:imageio-tiff:$imageioVersion"
+    implementation "com.twelvemonkeys.imageio:imageio-webp:$imageioVersion"
+    // implementation "com.twelvemonkeys.imageio:imageio-xwd:$imageioVersion"
 
     implementation "commons-io:commons-io:2.16.1"
     implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0"
@@ -162,17 +167,21 @@ dependencies {
         exclude group: "commons-logging", module: "commons-logging"
     }
 
-    implementation ("org.apache.pdfbox:pdfbox:3.0.3") {
+    implementation ("org.apache.pdfbox:pdfbox:$pdfboxVersion") {
         exclude group: "commons-logging", module: "commons-logging"
     }
 
-    implementation ("org.apache.pdfbox:xmpbox:3.0.3") {
+    implementation ("org.apache.pdfbox:xmpbox:$pdfboxVersion") {
         exclude group: "commons-logging", module: "commons-logging"
     }
+
+    implementation 'org.apache.pdfbox:jbig2-imageio:3.0.4'
+
+	
     implementation "com.github.Carleslc.Simple-YAML:Simple-Yaml:1.8.4"
 
-    implementation "org.bouncycastle:bcprov-jdk18on:1.78.1"
-    implementation "org.bouncycastle:bcpkix-jdk18on:1.78.1"
+    implementation "org.bouncycastle:bcprov-jdk18on:$bouncycastleVersion"
+    implementation "org.bouncycastle:bcpkix-jdk18on:$bouncycastleVersion"
     implementation "org.springframework.boot:spring-boot-starter-actuator:$springBootVersion"
     implementation "io.micrometer:micrometer-core:1.13.3"
     implementation group: "com.google.zxing", name: "core", version: "3.5.3"
@@ -181,12 +190,11 @@ dependencies {
     implementation "org.commonmark:commonmark-ext-gfm-tables:0.22.0"
     // https://mvnrepository.com/artifact/com.bucket4j/bucket4j_jdk17
     implementation "com.bucket4j:bucket4j_jdk17-core:8.13.1"
-
-	implementation "com.fathzer:javaluator:3.0.4"
+    implementation "com.fathzer:javaluator:3.0.4"
 
     developmentOnly("org.springframework.boot:spring-boot-devtools:$springBootVersion")
-    compileOnly "org.projectlombok:lombok:1.18.34"
-    annotationProcessor "org.projectlombok:lombok:1.18.34"
+    compileOnly "org.projectlombok:lombok:$lombokVersion"
+    annotationProcessor "org.projectlombok:lombok:$lombokVersion"
 
     testImplementation 'org.mockito:mockito-inline:5.2.0'
 }