diff --git a/packages/hawtio/jest.config.ts b/packages/hawtio/jest.config.ts
index d9d79a75..a38e5b72 100644
--- a/packages/hawtio/jest.config.ts
+++ b/packages/hawtio/jest.config.ts
@@ -15,6 +15,7 @@ const config: Config = {
     '\\.(css|less)$': '<rootDir>/src/__mocks__/styleMock.js',
     '@hawtiosrc/(.*)': '<rootDir>/src/$1',
     'react-markdown': '<rootDir>/../../node_modules/react-markdown/react-markdown.min.js',
+    'keycloak-js': path.resolve(__dirname, './src/__mocks__/keycloak.js'),
     'monaco-editor': path.resolve(__dirname, './src/__mocks__/monacoEditor.js'),
     '@monaco-editor/react': path.resolve(__dirname, './src/__mocks__/monacoEditor.js'),
     '@patternfly/react-code-editor': path.resolve(__dirname, './src/__mocks__/codeEditorMock.js'),
diff --git a/packages/hawtio/src/__mocks__/keycloak.js b/packages/hawtio/src/__mocks__/keycloak.js
new file mode 100644
index 00000000..c3769a17
--- /dev/null
+++ b/packages/hawtio/src/__mocks__/keycloak.js
@@ -0,0 +1,3 @@
+module.exports = {
+  Keycloak: () => {},
+}
diff --git a/packages/hawtio/src/plugins/auth/keycloak/keycloak-service.ts b/packages/hawtio/src/plugins/auth/keycloak/keycloak-service.ts
index 32204a23..4bef8d76 100644
--- a/packages/hawtio/src/plugins/auth/keycloak/keycloak-service.ts
+++ b/packages/hawtio/src/plugins/auth/keycloak/keycloak-service.ts
@@ -237,7 +237,7 @@ class KeycloakService implements IKeycloakService {
 
     keycloak
       .updateToken(KEYCLOAK_TOKEN_MINIMUM_VALIDITY)
-      .then(refreshed => {
+      .then((refreshed: boolean) => {
         if (refreshed) {
           const token = keycloak.token
           if (token) {
@@ -247,7 +247,7 @@ class KeycloakService implements IKeycloakService {
           log.debug('Token is still valid')
         }
       })
-      .catch(reason => {
+      .catch((reason: Error) => {
         log.error("Couldn't update token:", reason)
         errorFn?.()
       })
diff --git a/packages/hawtio/tsconfig.json b/packages/hawtio/tsconfig.json
index 1440b66c..63068776 100644
--- a/packages/hawtio/tsconfig.json
+++ b/packages/hawtio/tsconfig.json
@@ -16,7 +16,7 @@
     "noImplicitThis": true,
     "noUncheckedIndexedAccess": true,
     "module": "esnext",
-    "moduleResolution": "node",
+    "moduleResolution": "bundler",
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,