diff --git a/cpp-client/build.gradle b/cpp-client/build.gradle
index 4a8c08264d7..d1ee54b4ee8 100644
--- a/cpp-client/build.gradle
+++ b/cpp-client/build.gradle
@@ -51,7 +51,7 @@ project.tasks.getByName('quick').dependsOn project.tasks.getByName('license')
 String randomSuffix = UUID.randomUUID().toString();
 deephavenDocker {
     envVars.set([
-            'START_OPTS':'-Xmx512m'
+            'START_OPTS':'-Xmx512m -DAuthHandlers=io.deephaven.auth.AnonymousAuthenticationHandler'
     ])
     containerName.set "dh-server-for-cpp-${randomSuffix}"
     networkName.set "cpp-test-network-${randomSuffix}"
diff --git a/go/build.gradle b/go/build.gradle
index 6a3ca89552f..3d039ad909d 100644
--- a/go/build.gradle
+++ b/go/build.gradle
@@ -45,7 +45,7 @@ tasks.register('updateProtobuf', Sync) {
 String randomSuffix = UUID.randomUUID().toString();
 deephavenDocker {
     envVars.set([
-            'START_OPTS':'-Xmx512m'
+            'START_OPTS':'-Xmx512m -DAuthHandlers=io.deephaven.auth.AnonymousAuthenticationHandler'
     ])
     containerName.set "dh-server-for-go-${randomSuffix}"
     networkName.set "go-test-network-${randomSuffix}"
diff --git a/py/client/build.gradle b/py/client/build.gradle
index fec7fb1fbf7..7c2ec933f85 100644
--- a/py/client/build.gradle
+++ b/py/client/build.gradle
@@ -75,7 +75,7 @@ tasks.register('updateProtobuf', Sync) {
 String randomSuffix = UUID.randomUUID().toString();
 deephavenDocker {
     envVars.set([
-        'START_OPTS':'-Xmx512m'
+        'START_OPTS':'-Xmx512m -DAuthHandlers=io.deephaven.auth.AnonymousAuthenticationHandler'
     ])
     containerName.set "pydeephaven-test-container-${randomSuffix}"
     networkName.set "pydeephaven-network-${randomSuffix}"