diff --git a/build.gradle b/build.gradle
index 0179cdb..1bdc3c4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -109,10 +109,10 @@ dependencies {
   implementation group: 'org.apache.commons', name: 'commons-collections4', version: '4.1'
   implementation group: 'org.yaml', name: 'snakeyaml', version: '2.0'
   implementation group: 'commons-collections', name: 'commons-collections', version: '3.2.2'
-  testImplementation group: 'junit', name: 'junit', version: '4.12'
-  testImplementation group: 'org.hamcrest', name: 'hamcrest-all', version: '1.3'
-  testImplementation group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
-  testImplementation group: 'org.slf4j', name: 'slf4j-log4j12', version: '1.7.25'
+  testImplementation group: 'junit', name: 'junit', version: '4.13.2'
+  testImplementation group: 'org.hamcrest', name: 'hamcrest', version: '2.2'
+  testImplementation group: 'org.slf4j', name: 'slf4j-api', version: '2.0.16'
+  testImplementation group: 'org.slf4j', name: 'slf4j-reload4j', version: '2.0.16'
 }
 
 test {