diff --git a/build.gradle b/build.gradle
index d55d9f314b7adb56f197248cb5a8d55c62fd1b7c..580afad6f062074e6d6b446c9b6d3de4fad92894 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,6 +31,8 @@ dependencies {
   implementation "edu.ucar:cdm:5.1.0"
   implementation "edu.ucar:netcdf4:5.1.0"
   implementation "org.slf4j:slf4j-jdk14:1.7.30"
+  testImplementation 'org.junit.jupiter:junit-jupiter:5.5.2'
+  testImplementation 'org.hamcrest:hamcrest-library:1.3'
 }
 
 test {