diff --git a/browserup-proxy-core/build.gradle b/browserup-proxy-core/build.gradle
index 7602ab83e..fa262561b 100644
--- a/browserup-proxy-core/build.gradle
+++ b/browserup-proxy-core/build.gradle
@@ -86,7 +86,8 @@ dependencies {
     testImplementation 'org.eclipse.jetty:jetty-server:7.6.16.v20140903'
     testImplementation 'org.eclipse.jetty:jetty-servlet:7.6.16.v20140903'
     testImplementation 'org.eclipse.jetty:jetty-servlets:7.6.16.v20140903'
-    testImplementation 'org.hamcrest:hamcrest-library:1.3'
+    testImplementation 'org.hamcrest:hamcrest:2.1'    
+    testImplementation 'org.hamcrest:hamcrest-library:2.1'
     testImplementation ('org.mock-server:mockserver-netty:3.10.4') {
         exclude(module: 'logback-classic')
         exclude(module: 'netty-codec-socks')
diff --git a/browserup-proxy-mitm/build.gradle b/browserup-proxy-mitm/build.gradle
index fbd881f02..c843a7093 100644
--- a/browserup-proxy-mitm/build.gradle
+++ b/browserup-proxy-mitm/build.gradle
@@ -78,7 +78,8 @@ dependencies {
     testImplementation 'org.apache.logging.log4j:log4j-core:2.8'
     testImplementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.8'
     testImplementation 'org.codehaus.groovy:groovy-all:2.4.16'
-    testImplementation 'org.hamcrest:hamcrest-library:1.3'
+    testImplementation 'org.hamcrest:hamcrest:2.1'
+    testImplementation 'org.hamcrest:hamcrest-library:2.1'
     testImplementation 'org.mockito:mockito-core:2.23.4'
     testImplementation 'org.slf4j:jcl-over-slf4j:1.7.22'
 }
diff --git a/browserup-proxy-rest/build.gradle b/browserup-proxy-rest/build.gradle
index bd991e78d..638f6e1e9 100644
--- a/browserup-proxy-rest/build.gradle
+++ b/browserup-proxy-rest/build.gradle
@@ -79,7 +79,8 @@ dependencies {
     testImplementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.8.2'
     testImplementation 'org.codehaus.groovy:groovy-all:2.4.16'
     testImplementation 'org.codehaus.groovy.modules.http-builder:http-builder:0.7.1'
-    testImplementation 'org.hamcrest:hamcrest-library:1.3'
+    testImplementation 'org.hamcrest:hamcrest:2.1'
+    testImplementation 'org.hamcrest:hamcrest-library:2.1'
     testImplementation 'org.mock-server:mockserver-netty:3.10.8'
     testImplementation 'org.mockito:mockito-core:2.23.4'
     testImplementation 'org.seleniumhq.selenium:selenium-api:3.4.0'