diff --git a/gradle/dependencies.gradle b/gradle/dependencies.gradle
index a6de08d85..be08708bd 100644
--- a/gradle/dependencies.gradle
+++ b/gradle/dependencies.gradle
@@ -4,24 +4,24 @@ dependencies {
     shadow gradleApi()
     shadow 'org.codehaus.groovy:groovy-backports-compat23:3.0.8'
 
-    implementation 'org.jdom:jdom2:2.0.6'
+    implementation 'org.jdom:jdom2:2.0.6.1'
     implementation 'org.ow2.asm:asm:9.4'
     implementation 'org.ow2.asm:asm-commons:9.4'
     implementation 'commons-io:commons-io:2.11.0'
-    implementation 'org.apache.ant:ant:1.10.11'
-    implementation 'org.codehaus.plexus:plexus-utils:3.4.1'
-    implementation "org.apache.logging.log4j:log4j-core:2.17.1"
-    implementation('org.vafer:jdependency:2.7.0') {
+    implementation 'org.apache.ant:ant:1.10.12'
+    implementation 'org.codehaus.plexus:plexus-utils:3.4.2'
+    implementation "org.apache.logging.log4j:log4j-core:2.18.0"
+    implementation('org.vafer:jdependency:2.8.0') {
         exclude group: 'org.ow2.asm'
     }
 
-    testImplementation('org.spockframework:spock-core:2.0-groovy-3.0') {
+    testImplementation('org.spockframework:spock-core:2.1-groovy-3.0') {
         exclude group: 'org.codehaus.groovy'
     }
-    testImplementation 'org.spockframework:spock-junit4:2.0-groovy-3.0'
+    testImplementation 'org.spockframework:spock-junit4:2.1-groovy-3.0'
     testImplementation 'xmlunit:xmlunit:1.6'
     testImplementation 'org.apache.commons:commons-lang3:3.12.0'
-    testImplementation 'com.google.guava:guava:31.0.1-jre'
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.8.1'
+    testImplementation 'com.google.guava:guava:31.1-jre'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.9.0'
+    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.9.0'
 }
diff --git a/gradle/docs.gradle b/gradle/docs.gradle
index 1f8150538..47d49c055 100644
--- a/gradle/docs.gradle
+++ b/gradle/docs.gradle
@@ -1,4 +1,4 @@
-def javaApiUrl = 'http://docs.oracle.com/javase/1.7.0/docs/api'
+def javaApiUrl = 'http://docs.oracle.com/javase/17/docs/api'
 def groovyApiUrl = "http://docs.groovy-lang.org/2.4.7/html/gapi/"
 
 tasks.withType(Javadoc) {
diff --git a/src/test/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/AbstractModule.groovy b/src/test/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/AbstractModule.groovy
index 9bf6891f3..b12a79a46 100644
--- a/src/test/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/AbstractModule.groovy
+++ b/src/test/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/AbstractModule.groovy
@@ -65,8 +65,7 @@ abstract class AbstractModule {
 
     private TestFile hashFile(TestFile file, String algorithm, int len) {
         def hashFile = getHashFile(file, algorithm)
-        def hash = getHash(file, algorithm)
-        hashFile.text = String.format("%0${len}x", hash)
+        hashFile.text = getHash(file, algorithm)
         return hashFile
     }
 
@@ -74,7 +73,18 @@ abstract class AbstractModule {
         file.parentFile.file("${file.name}.${algorithm}")
     }
 
-    protected BigInteger getHash(TestFile file, String algorithm) {
-        HashUtil.createHash(file, algorithm.toUpperCase()).asBigInteger()
+    protected String getHash(TestFile file, String algorithm) {
+        file.newInputStream().withCloseable {
+            switch (algorithm) {
+                case 'sha1':
+                    DigestUtils.sha1Hex(it)
+                    break
+                case 'md5' :
+                    DigestUtils.md5Hex(it)
+                    break
+                default:
+                    throw new IOException("Unsupported algorithm " + algorithm)
+            }
+        }
     }
 }