diff --git a/build.gradle b/build.gradle
index 413e9c6f29f..8e56620aca1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,7 +81,7 @@ repositories {
     mavenLocal()
     mavenCentral()
     maven { url 'https://oss.sonatype.org/content/groups/public' }
-    maven { url 'https://repository.apache.org/snapshots' }
+    maven { url 'https://jitpack.io' }
 }
 
 configurations {
@@ -95,6 +95,10 @@ configurations {
     }
 }
 
+dependencyLocking {
+    lockAllConfigurations()
+}
+
 javafx {
     version = "18"
     modules = [ 'javafx.controls', 'javafx.fxml', 'javafx.web', 'javafx.swing' ]
@@ -166,7 +170,7 @@ dependencies {
     // JavaFX stuff
     implementation 'org.kordamp.ikonli:ikonli-javafx:12.3.1'
     implementation 'org.kordamp.ikonli:ikonli-materialdesign2-pack:12.3.1'
-    implementation 'de.saxsys:mvvmfx-validation:1.9.0-SNAPSHOT'
+    implementation 'com.github.sialcasa.mvvmFX:mvvmfx-validation:f195849ca9' //jitpack
     implementation 'de.saxsys:mvvmfx:1.8.0'
     implementation 'com.tobiasdiez:easybind:2.2'
     implementation 'org.fxmisc.flowless:flowless:0.6.10'
@@ -208,15 +212,13 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter:5.8.2'
     testImplementation 'org.junit.platform:junit-platform-launcher:1.8.2'
 
-    testRuntimeOnly group: 'org.apache.logging.log4j', name: 'log4j-core', version: '3.0.0-SNAPSHOT'
-    testRuntimeOnly group: 'org.apache.logging.log4j', name: 'log4j-jul', version: '3.0.0-SNAPSHOT'
     testImplementation 'org.mockito:mockito-core:4.6.1'
     testImplementation 'org.xmlunit:xmlunit-core:2.9.0'
     testImplementation 'org.xmlunit:xmlunit-matchers:2.9.0'
     testRuntimeOnly 'com.tngtech.archunit:archunit-junit5-engine:0.23.1'
     testImplementation 'com.tngtech.archunit:archunit-junit5-api:0.23.1'
-    testImplementation "org.testfx:testfx-core:4.0.17-alpha-SNAPSHOT"
-    testImplementation "org.testfx:testfx-junit5:4.0.17-alpha-SNAPSHOT"
+    testImplementation "org.testfx:testfx-core:4.0.16-alpha"
+    testImplementation "org.testfx:testfx-junit5:4.0.16-alpha"
     testImplementation "org.hamcrest:hamcrest-library:2.2"
 
     checkstyle 'com.puppycrawl.tools:checkstyle:10.1'